[{"data":1,"prerenderedAt":3495},["ShallowReactive",2],{"navigation_docs":3,"-integrate-adapters-hybrid-clickhouse":598,"-integrate-adapters-hybrid-clickhouse-surround":3490},[4,35,85,138,318,453,475,534,573],{"title":5,"path":6,"stem":7,"children":8,"page":34},"Start","\u002Fstart","1.start",[9,14,19,24,29],{"title":10,"path":11,"stem":12,"icon":13},"Introduction","\u002Fstart\u002Fintroduction","1.start\u002F1.introduction","i-lucide-info",{"title":15,"path":16,"stem":17,"icon":18},"Why start with evlog","\u002Fstart\u002Fwhy-evlog","1.start\u002F2.why-evlog","i-lucide-rocket",{"title":20,"path":21,"stem":22,"icon":23},"Installation","\u002Fstart\u002Finstallation","1.start\u002F3.installation","i-lucide-download",{"title":25,"path":26,"stem":27,"icon":28},"Quick Start","\u002Fstart\u002Fquick-start","1.start\u002F4.quick-start","i-lucide-zap",{"title":30,"path":31,"stem":32,"icon":33},"Choose your logger","\u002Fstart\u002Ftypescript-logging-library","1.start\u002F5.typescript-logging-library","i-lucide-file-code",false,{"title":36,"path":37,"stem":38,"children":39,"page":34},"Learn","\u002Flearn","2.learn",[40,45,50,55,60,65,70,75,80],{"title":41,"path":42,"stem":43,"icon":44},"Overview","\u002Flearn\u002Foverview","2.learn\u002F0.overview","i-lucide-list",{"title":46,"path":47,"stem":48,"icon":49},"Simple Logging","\u002Flearn\u002Fsimple-logging","2.learn\u002F1.simple-logging","i-lucide-terminal",{"title":51,"path":52,"stem":53,"icon":54},"Wide Events","\u002Flearn\u002Fwide-events","2.learn\u002F2.wide-events","i-lucide-layers",{"title":56,"path":57,"stem":58,"icon":59},"Structured Errors","\u002Flearn\u002Fstructured-errors","2.learn\u002F3.structured-errors","i-lucide-shield-alert",{"title":61,"path":62,"stem":63,"icon":64},"Lifecycle","\u002Flearn\u002Flifecycle","2.learn\u002F4.lifecycle","i-lucide-arrow-right-left",{"title":66,"path":67,"stem":68,"icon":69},"Sampling","\u002Flearn\u002Fsampling","2.learn\u002F5.sampling","i-lucide-filter",{"title":71,"path":72,"stem":73,"icon":74},"Auto-Redaction","\u002Flearn\u002Fredaction","2.learn\u002F6.redaction","i-lucide-eye-off",{"title":76,"path":77,"stem":78,"icon":79},"Typed Fields","\u002Flearn\u002Ftyped-fields","2.learn\u002F7.typed-fields","i-simple-icons-typescript",{"title":81,"path":82,"stem":83,"icon":84},"Catalogs","\u002Flearn\u002Fcatalogs","2.learn\u002F8.catalogs","i-lucide-book-open",{"title":86,"path":87,"stem":88,"children":89,"page":34},"CLI","\u002Fcli","3.cli",[90,93,98,103,108,113,118,123,128,133],{"title":41,"path":91,"stem":92,"icon":49},"\u002Fcli\u002Foverview","3.cli\u002F0.overview",{"title":94,"path":95,"stem":96,"icon":97},"init","\u002Fcli\u002Finit","3.cli\u002F1.init","i-lucide-wand-sparkles",{"title":99,"path":100,"stem":101,"icon":102},"map","\u002Fcli\u002Fmap","3.cli\u002F2.map","i-lucide-radar",{"title":104,"path":105,"stem":106,"icon":107},"Rules","\u002Fcli\u002Frules","3.cli\u002F3.rules","i-lucide-list-checks",{"title":109,"path":110,"stem":111,"icon":112},"Scoring","\u002Fcli\u002Fscoring","3.cli\u002F4.scoring","i-lucide-gauge",{"title":114,"path":115,"stem":116,"icon":117},"CI","\u002Fcli\u002Fci","3.cli\u002F5.ci","i-lucide-git-pull-request",{"title":119,"path":120,"stem":121,"icon":122},"doctor","\u002Fcli\u002Fdoctor","3.cli\u002F6.doctor","i-lucide-stethoscope",{"title":124,"path":125,"stem":126,"icon":127},"telemetry","\u002Fcli\u002Ftelemetry","3.cli\u002F7.telemetry","i-lucide-bar-chart-3",{"title":129,"path":130,"stem":131,"icon":132},"agents","\u002Fcli\u002Fagents","3.cli\u002F8.agents","i-lucide-bot",{"title":134,"path":135,"stem":136,"icon":137},"Observability Score","\u002Fcli\u002Fobservability-score","3.cli\u002F9.observability-score","i-lucide-activity",{"title":139,"path":140,"stem":141,"children":142,"page":34},"Integrate","\u002Fintegrate","4.integrate",[143,147,230],{"title":41,"path":144,"stem":145,"icon":146},"\u002Fintegrate\u002Foverview","4.integrate\u002F0.overview","i-lucide-plug",{"title":148,"path":149,"stem":150,"children":151,"page":34},"Adapters","\u002Fintegrate\u002Fadapters","4.integrate\u002Fadapters",[152,155,185,210],{"title":41,"path":153,"stem":154,"icon":44},"\u002Fintegrate\u002Fadapters\u002Foverview","4.integrate\u002Fadapters\u002F01.overview",{"title":156,"path":157,"stem":158,"children":159,"page":34},"Cloud","\u002Fintegrate\u002Fadapters\u002Fcloud","4.integrate\u002Fadapters\u002Fcloud",[160,165,170,175,180],{"title":161,"path":162,"stem":163,"icon":164},"Axiom","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Faxiom","4.integrate\u002Fadapters\u002Fcloud\u002F01.axiom","i-custom-axiom",{"title":166,"path":167,"stem":168,"icon":169},"PostHog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fposthog","4.integrate\u002Fadapters\u002Fcloud\u002F02.posthog","i-simple-icons-posthog",{"title":171,"path":172,"stem":173,"icon":174},"Sentry","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fsentry","4.integrate\u002Fadapters\u002Fcloud\u002F03.sentry","i-simple-icons-sentry",{"title":176,"path":177,"stem":178,"icon":179},"Better Stack","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fbetter-stack","4.integrate\u002Fadapters\u002Fcloud\u002F04.better-stack","i-simple-icons-betterstack",{"title":181,"path":182,"stem":183,"icon":184},"Datadog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fdatadog","4.integrate\u002Fadapters\u002Fcloud\u002F05.datadog","i-simple-icons-datadog",{"title":186,"path":187,"stem":188,"children":189,"page":34},"Cloud or Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fhybrid","4.integrate\u002Fadapters\u002Fhybrid",[190,195,200,205],{"title":191,"path":192,"stem":193,"icon":194},"Grafana Loki","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Floki","4.integrate\u002Fadapters\u002Fhybrid\u002F01.loki","i-simple-icons-grafana",{"title":196,"path":197,"stem":198,"icon":199},"ClickHouse","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fclickhouse","4.integrate\u002Fadapters\u002Fhybrid\u002F02.clickhouse","i-simple-icons-clickhouse",{"title":201,"path":202,"stem":203,"icon":204},"OTLP","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fotlp","4.integrate\u002Fadapters\u002Fhybrid\u002F03.otlp","i-simple-icons-opentelemetry",{"title":206,"path":207,"stem":208,"icon":209},"HyperDX","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fhyperdx","4.integrate\u002Fadapters\u002Fhybrid\u002F04.hyperdx","i-custom-hyperdx",{"title":211,"path":212,"stem":213,"children":214,"page":34},"Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fself-hosted","4.integrate\u002Fadapters\u002Fself-hosted",[215,220,225],{"title":216,"path":217,"stem":218,"icon":219},"File System","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Ffs","4.integrate\u002Fadapters\u002Fself-hosted\u002F01.fs","i-lucide-hard-drive",{"title":221,"path":222,"stem":223,"icon":224},"NuxtHub","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fnuxthub","4.integrate\u002Fadapters\u002Fself-hosted\u002F02.nuxthub","i-simple-icons-nuxt",{"title":226,"path":227,"stem":228,"icon":229},"Memory","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fmemory","4.integrate\u002Fadapters\u002Fself-hosted\u002F03.memory","i-lucide-cpu",{"title":231,"path":232,"stem":233,"children":234,"page":34},"Frameworks","\u002Fintegrate\u002Fframeworks","4.integrate\u002Fframeworks",[235,239,244,249,254,259,264,269,274,279,284,289,294,299,303,308,313],{"title":41,"path":236,"stem":237,"icon":238},"\u002Fintegrate\u002Fframeworks\u002Foverview","4.integrate\u002Fframeworks\u002F00.overview","i-lucide-layout-grid",{"title":240,"path":241,"stem":242,"icon":243},"Nuxt","\u002Fintegrate\u002Fframeworks\u002Fnuxt","4.integrate\u002Fframeworks\u002F01.nuxt","i-simple-icons-nuxtdotjs",{"title":245,"path":246,"stem":247,"icon":248},"Next.js","\u002Fintegrate\u002Fframeworks\u002Fnextjs","4.integrate\u002Fframeworks\u002F02.nextjs","i-simple-icons-nextdotjs",{"title":250,"path":251,"stem":252,"icon":253},"SvelteKit","\u002Fintegrate\u002Fframeworks\u002Fsveltekit","4.integrate\u002Fframeworks\u002F03.sveltekit","i-simple-icons-svelte",{"title":255,"path":256,"stem":257,"icon":258},"Nitro","\u002Fintegrate\u002Fframeworks\u002Fnitro","4.integrate\u002Fframeworks\u002F04.nitro","i-custom-nitro",{"title":260,"path":261,"stem":262,"icon":263},"TanStack Start","\u002Fintegrate\u002Fframeworks\u002Ftanstack-start","4.integrate\u002Fframeworks\u002F05.tanstack-start","i-custom-tanstack",{"title":265,"path":266,"stem":267,"icon":268},"NestJS","\u002Fintegrate\u002Fframeworks\u002Fnestjs","4.integrate\u002Fframeworks\u002F06.nestjs","i-simple-icons-nestjs",{"title":270,"path":271,"stem":272,"icon":273},"Express","\u002Fintegrate\u002Fframeworks\u002Fexpress","4.integrate\u002Fframeworks\u002F07.express","i-simple-icons-express",{"title":275,"path":276,"stem":277,"icon":278},"Hono","\u002Fintegrate\u002Fframeworks\u002Fhono","4.integrate\u002Fframeworks\u002F08.hono","i-simple-icons-hono",{"title":280,"path":281,"stem":282,"icon":283},"Fastify","\u002Fintegrate\u002Fframeworks\u002Ffastify","4.integrate\u002Fframeworks\u002F09.fastify","i-simple-icons-fastify",{"title":285,"path":286,"stem":287,"icon":288},"Elysia","\u002Fintegrate\u002Fframeworks\u002Felysia","4.integrate\u002Fframeworks\u002F10.elysia","i-custom-elysia",{"title":290,"path":291,"stem":292,"icon":293},"React Router","\u002Fintegrate\u002Fframeworks\u002Freact-router","4.integrate\u002Fframeworks\u002F11.react-router","i-custom-reactrouter",{"title":295,"path":296,"stem":297,"icon":298},"Cloudflare Workers","\u002Fintegrate\u002Fframeworks\u002Fcloudflare-workers","4.integrate\u002Fframeworks\u002F12.cloudflare-workers","i-simple-icons-cloudflare",{"title":300,"path":301,"stem":302,"icon":79},"Standalone","\u002Fintegrate\u002Fframeworks\u002Fstandalone","4.integrate\u002Fframeworks\u002F13.standalone",{"title":304,"path":305,"stem":306,"icon":307},"Astro","\u002Fintegrate\u002Fframeworks\u002Fastro","4.integrate\u002Fframeworks\u002F14.astro","i-simple-icons-astro",{"title":309,"path":310,"stem":311,"icon":312},"oRPC","\u002Fintegrate\u002Fframeworks\u002Forpc","4.integrate\u002Fframeworks\u002F15.orpc","i-lucide-network",{"title":314,"path":315,"stem":316,"icon":317},"AWS Lambda","\u002Fintegrate\u002Fframeworks\u002Faws-lambda","4.integrate\u002Fframeworks\u002F16.aws-lambda","i-custom-lambda",{"title":319,"path":320,"stem":321,"children":322,"page":34},"Use Cases","\u002Fuse-cases","5.use-cases",[323,326,331,359,386,418,439,444,449],{"title":41,"path":324,"stem":325,"icon":107},"\u002Fuse-cases\u002Foverview","5.use-cases\u002F0.overview",{"title":327,"path":328,"stem":329,"icon":330},"Client Logging","\u002Fuse-cases\u002Fclient-logging","5.use-cases\u002F1.client-logging","i-lucide-monitor",{"title":332,"icon":333,"path":334,"stem":335,"children":336,"page":34},"AI SDK","i-simple-icons-vercel","\u002Fuse-cases\u002Fai-sdk","5.use-cases\u002F2.ai-sdk",[337,340,345,350,355],{"title":41,"path":338,"stem":339,"icon":44},"\u002Fuse-cases\u002Fai-sdk\u002Foverview","5.use-cases\u002F2.ai-sdk\u002F01.overview",{"title":341,"path":342,"stem":343,"icon":344},"Usage","\u002Fuse-cases\u002Fai-sdk\u002Fusage","5.use-cases\u002F2.ai-sdk\u002F02.usage","i-lucide-code",{"title":346,"path":347,"stem":348,"icon":349},"Options","\u002Fuse-cases\u002Fai-sdk\u002Foptions","5.use-cases\u002F2.ai-sdk\u002F03.options","i-lucide-sliders",{"title":351,"path":352,"stem":353,"icon":354},"Metadata","\u002Fuse-cases\u002Fai-sdk\u002Fmetadata","5.use-cases\u002F2.ai-sdk\u002F04.metadata","i-lucide-database",{"title":356,"path":357,"stem":358,"icon":137},"Telemetry","\u002Fuse-cases\u002Fai-sdk\u002Ftelemetry","5.use-cases\u002F2.ai-sdk\u002F05.telemetry",{"title":360,"icon":361,"path":362,"stem":363,"children":364,"page":34},"Better Auth","i-simple-icons-betterauth","\u002Fuse-cases\u002Fbetter-auth","5.use-cases\u002F3.better-auth",[365,368,373,378,382],{"title":41,"path":366,"stem":367,"icon":44},"\u002Fuse-cases\u002Fbetter-auth\u002Foverview","5.use-cases\u002F3.better-auth\u002F01.overview",{"title":369,"path":370,"stem":371,"icon":372},"Identify User","\u002Fuse-cases\u002Fbetter-auth\u002Fidentify-user","5.use-cases\u002F3.better-auth\u002F02.identify-user","i-lucide-user-check",{"title":374,"path":375,"stem":376,"icon":377},"Middleware","\u002Fuse-cases\u002Fbetter-auth\u002Fmiddleware","5.use-cases\u002F3.better-auth\u002F03.middleware","i-lucide-shield",{"title":379,"path":380,"stem":381,"icon":330},"Client Sync","\u002Fuse-cases\u002Fbetter-auth\u002Fclient-sync","5.use-cases\u002F3.better-auth\u002F04.client-sync",{"title":383,"path":384,"stem":385,"icon":112},"Performance","\u002Fuse-cases\u002Fbetter-auth\u002Fperformance","5.use-cases\u002F3.better-auth\u002F05.performance",{"title":387,"icon":388,"path":389,"stem":390,"children":391,"page":34},"Audit Logs","i-lucide-shield-check","\u002Fuse-cases\u002Faudit","5.use-cases\u002F4.audit",[392,395,400,405,410,414],{"title":41,"path":393,"stem":394,"icon":44},"\u002Fuse-cases\u002Faudit\u002Foverview","5.use-cases\u002F4.audit\u002F01.overview",{"title":396,"path":397,"stem":398,"icon":399},"Schema","\u002Fuse-cases\u002Faudit\u002Fschema","5.use-cases\u002F4.audit\u002F02.schema","i-lucide-file-text",{"title":401,"path":402,"stem":403,"icon":404},"Recording","\u002Fuse-cases\u002Faudit\u002Frecording","5.use-cases\u002F4.audit\u002F03.recording","i-lucide-pen-line",{"title":406,"path":407,"stem":408,"icon":409},"Drains","\u002Fuse-cases\u002Faudit\u002Fpipeline","5.use-cases\u002F4.audit\u002F04.pipeline","i-lucide-link",{"title":411,"path":412,"stem":413,"icon":388},"Compliance","\u002Fuse-cases\u002Faudit\u002Fcompliance","5.use-cases\u002F4.audit\u002F05.compliance",{"title":415,"path":416,"stem":417,"icon":84},"Recipes","\u002Fuse-cases\u002Faudit\u002Frecipes","5.use-cases\u002F4.audit\u002F06.recipes",{"title":356,"icon":112,"path":419,"stem":420,"children":421,"page":34},"\u002Fuse-cases\u002Ftelemetry","5.use-cases\u002F4.telemetry",[422,425,430,435],{"title":41,"path":423,"stem":424,"icon":44},"\u002Fuse-cases\u002Ftelemetry\u002Foverview","5.use-cases\u002F4.telemetry\u002F01.overview",{"title":426,"path":427,"stem":428,"icon":429},"Setup","\u002Fuse-cases\u002Ftelemetry\u002Fsetup","5.use-cases\u002F4.telemetry\u002F02.setup","i-lucide-wrench",{"title":431,"path":432,"stem":433,"icon":434},"Ingest","\u002Fuse-cases\u002Ftelemetry\u002Fingest","5.use-cases\u002F4.telemetry\u002F03.ingest","i-lucide-server",{"title":436,"path":437,"stem":438,"icon":84},"Reference","\u002Fuse-cases\u002Ftelemetry\u002Freference","5.use-cases\u002F4.telemetry\u002F04.reference",{"title":440,"path":441,"stem":442,"icon":443},"Enrichers","\u002Fuse-cases\u002Fenrichers","5.use-cases\u002F5.enrichers","i-lucide-sparkles",{"title":445,"path":446,"stem":447,"icon":448},"eve","\u002Fuse-cases\u002Feve","5.use-cases\u002F5.eve","i-custom-eve",{"title":450,"path":451,"stem":452,"icon":434},"Node.js request logging","\u002Fuse-cases\u002Fstructured-logging-nodejs","5.use-cases\u002F6.structured-logging-nodejs",{"title":454,"path":455,"stem":456,"children":457,"page":34},"Libraries","\u002Flibraries","6.libraries",[458,462,467,470],{"title":41,"path":459,"stem":460,"icon":461},"\u002Flibraries\u002Foverview","6.libraries\u002F0.overview","i-lucide-package",{"title":463,"path":464,"stem":465,"icon":466},"Emitting Events","\u002Flibraries\u002Femitting","6.libraries\u002F1.emitting","i-lucide-radio",{"title":56,"path":468,"stem":469,"icon":59},"\u002Flibraries\u002Ferrors","6.libraries\u002F2.errors",{"title":471,"path":472,"stem":473,"icon":474},"Testing","\u002Flibraries\u002Ftesting","6.libraries\u002F3.testing","i-lucide-flask-conical",{"title":476,"path":477,"stem":478,"children":479,"page":34},"Extend","\u002Fextend","7.extend",[480,484,489,494,498,503,507,511,515,519,524,529],{"title":41,"path":481,"stem":482,"icon":483},"\u002Fextend\u002Foverview","7.extend\u002F0.overview","i-lucide-blocks",{"title":485,"path":486,"stem":487,"icon":488},"Stream","\u002Fextend\u002Fstream","7.extend\u002F1.stream","i-lucide-radio-tower",{"title":490,"path":491,"stem":492,"icon":493},"Custom framework","\u002Fextend\u002Fcustom-framework","7.extend\u002F10.custom-framework","i-lucide-puzzle",{"title":495,"path":496,"stem":497,"icon":488},"Diagnostics channel","\u002Fextend\u002Fdiagnostics-channel","7.extend\u002F11.diagnostics-channel",{"title":499,"path":500,"stem":501,"icon":502},"FS reader","\u002Fextend\u002Ffs-reader","7.extend\u002F2.fs-reader","i-lucide-folder-search",{"title":415,"path":504,"stem":505,"icon":506},"\u002Fextend\u002Fconsumer-recipes","7.extend\u002F3.consumer-recipes","i-lucide-chef-hat",{"title":508,"path":509,"stem":510,"icon":483},"Plugins","\u002Fextend\u002Fplugins","7.extend\u002F4.plugins",{"title":512,"path":513,"stem":514,"icon":443},"Custom enrichers","\u002Fextend\u002Fcustom-enrichers","7.extend\u002F5.custom-enrichers",{"title":516,"path":517,"stem":518,"icon":69},"Tail sampling","\u002Fextend\u002Ftail-sampling","7.extend\u002F6.tail-sampling",{"title":520,"path":521,"stem":522,"icon":523},"Identity headers","\u002Fextend\u002Fidentity-headers","7.extend\u002F7.identity-headers","i-lucide-fingerprint",{"title":525,"path":526,"stem":527,"icon":528},"Custom drains","\u002Fextend\u002Fcustom-drains","7.extend\u002F8.custom-drains","i-lucide-share-2",{"title":530,"path":531,"stem":532,"icon":533},"Drain pipeline","\u002Fextend\u002Fdrain-pipeline","7.extend\u002F9.drain-pipeline","i-lucide-workflow",{"title":436,"path":535,"stem":536,"children":537,"page":34},"\u002Freference","8.reference",[538,542,547,550,555,559,564,568],{"title":41,"path":539,"stem":540,"icon":541},"\u002Freference\u002Foverview","8.reference\u002F0.overview","i-lucide-book-marked",{"title":543,"path":544,"stem":545,"icon":546},"Configuration","\u002Freference\u002Fconfiguration","8.reference\u002F1.configuration","i-lucide-settings",{"title":383,"path":548,"stem":549,"icon":112},"\u002Freference\u002Fperformance","8.reference\u002F2.performance",{"title":551,"path":552,"stem":553,"icon":554},"Vite Plugin","\u002Freference\u002Fvite-plugin","8.reference\u002F3.vite-plugin","i-custom-vite",{"title":556,"path":557,"stem":558,"icon":388},"Best Practices","\u002Freference\u002Fbest-practices","8.reference\u002F4.best-practices",{"title":560,"path":561,"stem":562,"icon":563},"vs Other Loggers","\u002Freference\u002Fvs-other-loggers","8.reference\u002F5.vs-other-loggers","i-lucide-scale",{"title":565,"path":566,"stem":567,"icon":443},"Agent Skills","\u002Freference\u002Fagent-skills","8.reference\u002F6.agent-skills",{"title":569,"path":570,"stem":571,"icon":572},"Cost","\u002Freference\u002Fcost","8.reference\u002F7.cost","i-lucide-receipt",{"title":574,"path":575,"stem":576,"children":577,"page":34},"Compare","\u002Fcompare","9.compare",[578,582,586,590,594],{"title":579,"path":580,"stem":581,"icon":563},"evlog vs Pino","\u002Fcompare\u002Fpino","9.compare\u002F1.pino",{"title":583,"path":584,"stem":585,"icon":204},"evlog vs OpenTelemetry","\u002Fcompare\u002Fopentelemetry","9.compare\u002F2.opentelemetry",{"title":587,"path":588,"stem":589,"icon":563},"evlog vs LogTape","\u002Fcompare\u002Flogtape","9.compare\u002F3.logtape",{"title":591,"path":592,"stem":593,"icon":563},"evlog vs Winston: formats and request events","\u002Fcompare\u002Fwinston","9.compare\u002F4.winston",{"title":595,"path":596,"stem":597,"icon":563},"evlog vs Consola: reporters and request context","\u002Fcompare\u002Fconsola","9.compare\u002F5.consola",{"id":599,"title":600,"body":601,"description":3475,"extension":3476,"links":3477,"meta":3486,"navigation":3487,"path":197,"seo":3488,"stem":198,"__hash__":3489},"docs\u002F4.integrate\u002Fadapters\u002Fhybrid\u002F02.clickhouse.md","ClickHouse Adapter",{"type":602,"value":603,"toc":3454},"minimark",[604,621,633,683,687,690,733,737,740,982,994,997,1776,1779,1784,1881,1884,2088,2092,2095,2099,2102,2132,2172,2187,2191,2194,2266,2298,2313,2333,2337,2340,2399,2419,2426,2455,2466,2470,2483,2491,2494,2508,2512,2518,2609,2741,2806,2889,2893,2899,3046,3052,3056,3059,3248,3252,3269,3289,3301,3316,3320,3408,3421,3425,3450],[605,606,607,608,615,616,620],"p",{},"The ClickHouse adapter inserts wide events over the ",[609,610,614],"a",{"href":611,"rel":612},"https:\u002F\u002Fclickhouse.com\u002Fdocs\u002Fen\u002Finterfaces\u002Fhttp",[613],"nofollow","HTTP interface"," in ",[617,618,619],"code",{},"JSONEachRow"," format. It works with a local instance, a self-managed cluster, and ClickHouse Cloud.",[605,622,623,624,628,629,632],{},"The default schema gives you ",[625,626,627],"strong",{},"typed columns"," for the fields you filter and aggregate on, plus the complete wide event as JSON in ",[617,630,631],{},"data",", so no field is ever lost, and adding a field to your events never requires a migration.",[634,635,638,641,671],"prompt",{":actions":636,"description":637,"icon":199},"[\"copy\",\"cursor\",\"claude\"]","Add the ClickHouse drain adapter",[605,639,640],{},"Add the ClickHouse drain adapter to store evlog wide events in ClickHouse.",[642,643,644,648,651,654,657,660,668],"ol",{},[645,646,647],"li",{},"Identify which framework I'm using and follow its evlog integration pattern",[645,649,650],{},"Install evlog if not already installed",[645,652,653],{},"Create the evlog_events table using the CREATE TABLE from the adapter docs",[645,655,656],{},"Import createClickHouseDrain from 'evlog\u002Fclickhouse'",[645,658,659],{},"Wire createClickHouseDrain() into my framework's drain configuration",[645,661,662,663,667],{},"Set CLICKHOUSE_ENDPOINT (e.g. ",[609,664,665],{"href":665,"rel":666},"http:\u002F\u002Flocalhost:8123",[613],"), plus CLICKHOUSE_USER \u002F CLICKHOUSE_PASSWORD if authenticated",[645,669,670],{},"Test by triggering a request and running SELECT * FROM evlog_events ORDER BY timestamp DESC LIMIT 10",[605,672,673,674,678,679],{},"Adapter docs: ",[609,675,676],{"href":676,"rel":677},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fclickhouse",[613],"\nFramework setup: ",[609,680,681],{"href":681,"rel":682},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Foverview",[613],[684,685,20],"h2",{"id":686},"installation",[605,688,689],{},"The ClickHouse adapter comes bundled with evlog:",[691,692,698],"pre",{"className":693,"code":694,"filename":695,"language":696,"meta":697,"style":697},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { createClickHouseDrain } from 'evlog\u002Fclickhouse'\n","src\u002Findex.ts","typescript","",[617,699,700],{"__ignoreMap":697},[701,702,705,709,713,717,720,723,726,730],"span",{"class":703,"line":704},"line",1,[701,706,708],{"class":707},"s7zQu","import",[701,710,712],{"class":711},"sMK4o"," {",[701,714,716],{"class":715},"sTEyZ"," createClickHouseDrain",[701,718,719],{"class":711}," }",[701,721,722],{"class":707}," from",[701,724,725],{"class":711}," '",[701,727,729],{"class":728},"sfazB","evlog\u002Fclickhouse",[701,731,732],{"class":711},"'\n",[684,734,736],{"id":735},"create-the-table","Create the table",[605,738,739],{},"Run this once before wiring the drain:",[691,741,746],{"className":742,"code":743,"filename":744,"language":745,"meta":697,"style":697},"language-sql shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","CREATE TABLE IF NOT EXISTS evlog_events\n(\n  timestamp     DateTime64(3, 'UTC'),\n  level         LowCardinality(String),\n  service       LowCardinality(String),\n  environment   LowCardinality(String),\n  request_id    String,\n  trace_id      String,\n  span_id       String,\n  method        LowCardinality(String),\n  path          String,\n  status        Nullable(UInt16),\n  duration      String,\n  duration_ms   Nullable(UInt32),\n  error_name    String,\n  error_message String,\n  data          String\n)\nENGINE = MergeTree\nPARTITION BY toYYYYMM(timestamp)\nORDER BY (service, environment, timestamp)\nTTL toDateTime(timestamp) + INTERVAL 30 DAY;\n","schema.sql","sql",[617,747,748,770,776,803,812,821,827,833,839,845,851,860,869,875,881,887,893,902,908,920,937,956],{"__ignoreMap":697},[701,749,750,754,757,761,764,767],{"class":703,"line":704},[701,751,753],{"class":752},"sbssI","CREATE",[701,755,756],{"class":752}," TABLE",[701,758,760],{"class":759},"s2Zo4"," IF",[701,762,763],{"class":752}," NOT",[701,765,766],{"class":752}," EXISTS",[701,768,769],{"class":715}," evlog_events\n",[701,771,773],{"class":703,"line":772},2,[701,774,775],{"class":715},"(\n",[701,777,779,783,786,789,792,795,798,800],{"class":703,"line":778},3,[701,780,782],{"class":781},"spNyl","  timestamp",[701,784,785],{"class":715},"     DateTime64(",[701,787,788],{"class":752},"3",[701,790,791],{"class":715},", ",[701,793,794],{"class":711},"'",[701,796,797],{"class":728},"UTC",[701,799,794],{"class":711},[701,801,802],{"class":715},"),\n",[701,804,806,809],{"class":703,"line":805},4,[701,807,808],{"class":752},"  level",[701,810,811],{"class":715},"         LowCardinality(String),\n",[701,813,815,818],{"class":703,"line":814},5,[701,816,817],{"class":752},"  service",[701,819,820],{"class":715},"       LowCardinality(String),\n",[701,822,824],{"class":703,"line":823},6,[701,825,826],{"class":715},"  environment   LowCardinality(String),\n",[701,828,830],{"class":703,"line":829},7,[701,831,832],{"class":715},"  request_id    String,\n",[701,834,836],{"class":703,"line":835},8,[701,837,838],{"class":715},"  trace_id      String,\n",[701,840,842],{"class":703,"line":841},9,[701,843,844],{"class":715},"  span_id       String,\n",[701,846,848],{"class":703,"line":847},10,[701,849,850],{"class":715},"  method        LowCardinality(String),\n",[701,852,854,857],{"class":703,"line":853},11,[701,855,856],{"class":781},"  path",[701,858,859],{"class":715},"          String,\n",[701,861,863,866],{"class":703,"line":862},12,[701,864,865],{"class":752},"  status",[701,867,868],{"class":715},"        Nullable(UInt16),\n",[701,870,872],{"class":703,"line":871},13,[701,873,874],{"class":715},"  duration      String,\n",[701,876,878],{"class":703,"line":877},14,[701,879,880],{"class":715},"  duration_ms   Nullable(UInt32),\n",[701,882,884],{"class":703,"line":883},15,[701,885,886],{"class":715},"  error_name    String,\n",[701,888,890],{"class":703,"line":889},16,[701,891,892],{"class":715},"  error_message String,\n",[701,894,896,899],{"class":703,"line":895},17,[701,897,898],{"class":752},"  data",[701,900,901],{"class":715},"          String\n",[701,903,905],{"class":703,"line":904},18,[701,906,907],{"class":715},")\n",[701,909,911,914,917],{"class":703,"line":910},19,[701,912,913],{"class":715},"ENGINE ",[701,915,916],{"class":711},"=",[701,918,919],{"class":715}," MergeTree\n",[701,921,923,926,929,932,935],{"class":703,"line":922},20,[701,924,925],{"class":752},"PARTITION",[701,927,928],{"class":752}," BY",[701,930,931],{"class":715}," toYYYYMM(",[701,933,934],{"class":781},"timestamp",[701,936,907],{"class":715},[701,938,940,943,946,949,952,954],{"class":703,"line":939},21,[701,941,942],{"class":752},"ORDER BY",[701,944,945],{"class":715}," (",[701,947,948],{"class":752},"service",[701,950,951],{"class":715},", environment, ",[701,953,934],{"class":781},[701,955,907],{"class":715},[701,957,959,962,964,967,970,973,976,979],{"class":703,"line":958},22,[701,960,961],{"class":715},"TTL toDateTime(",[701,963,934],{"class":781},[701,965,966],{"class":715},") ",[701,968,969],{"class":711},"+",[701,971,972],{"class":715}," INTERVAL ",[701,974,975],{"class":752},"30",[701,977,978],{"class":752}," DAY",[701,980,981],{"class":715},";\n",[983,984,986,989,990,993],"callout",{"color":985,"icon":13},"info",[617,987,988],{},"ORDER BY (service, environment, timestamp)"," matches how you'll filter most often. Adjust the ",[617,991,992],{},"TTL"," to your retention policy, and drop the clause entirely to keep events forever.",[684,995,25],{"id":996},"quick-start",[998,999,1000,1106,1227,1331,1438,1543,1678],"code-group",{},[691,1001,1004],{"className":693,"code":1002,"filename":1003,"language":696,"meta":697,"style":697},"\u002F\u002F server\u002Fplugins\u002Fevlog.ts\nimport { createClickHouseDrain } from 'evlog\u002Fclickhouse'\n\nexport default defineNitroPlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:drain', createClickHouseDrain())\n})\n","Nuxt \u002F Nitro",[617,1005,1006,1012,1030,1036,1065,1099],{"__ignoreMap":697},[701,1007,1008],{"class":703,"line":704},[701,1009,1011],{"class":1010},"sHwdD","\u002F\u002F server\u002Fplugins\u002Fevlog.ts\n",[701,1013,1014,1016,1018,1020,1022,1024,1026,1028],{"class":703,"line":772},[701,1015,708],{"class":707},[701,1017,712],{"class":711},[701,1019,716],{"class":715},[701,1021,719],{"class":711},[701,1023,722],{"class":707},[701,1025,725],{"class":711},[701,1027,729],{"class":728},[701,1029,732],{"class":711},[701,1031,1032],{"class":703,"line":778},[701,1033,1035],{"emptyLinePlaceholder":1034},true,"\n",[701,1037,1038,1041,1044,1047,1050,1052,1056,1059,1062],{"class":703,"line":805},[701,1039,1040],{"class":707},"export",[701,1042,1043],{"class":707}," default",[701,1045,1046],{"class":759}," defineNitroPlugin",[701,1048,1049],{"class":715},"(",[701,1051,1049],{"class":711},[701,1053,1055],{"class":1054},"sHdIc","nitroApp",[701,1057,1058],{"class":711},")",[701,1060,1061],{"class":781}," =>",[701,1063,1064],{"class":711}," {\n",[701,1066,1067,1070,1073,1076,1078,1081,1084,1086,1089,1091,1094,1096],{"class":703,"line":814},[701,1068,1069],{"class":715},"  nitroApp",[701,1071,1072],{"class":711},".",[701,1074,1075],{"class":715},"hooks",[701,1077,1072],{"class":711},[701,1079,1080],{"class":759},"hook",[701,1082,1049],{"class":1083},"swJcz",[701,1085,794],{"class":711},[701,1087,1088],{"class":728},"evlog:drain",[701,1090,794],{"class":711},[701,1092,1093],{"class":711},",",[701,1095,716],{"class":759},[701,1097,1098],{"class":1083},"())\n",[701,1100,1101,1104],{"class":703,"line":823},[701,1102,1103],{"class":711},"}",[701,1105,907],{"class":715},[691,1107,1109],{"className":693,"code":1108,"filename":275,"language":696,"meta":697,"style":697},"import { Hono } from 'hono'\nimport { evlog } from 'evlog\u002Fhono'\nimport { createClickHouseDrain } from 'evlog\u002Fclickhouse'\n\nconst app = new Hono()\napp.use(evlog({ drain: createClickHouseDrain() }))\n",[617,1110,1111,1131,1151,1169,1173,1191],{"__ignoreMap":697},[701,1112,1113,1115,1117,1120,1122,1124,1126,1129],{"class":703,"line":704},[701,1114,708],{"class":707},[701,1116,712],{"class":711},[701,1118,1119],{"class":715}," Hono",[701,1121,719],{"class":711},[701,1123,722],{"class":707},[701,1125,725],{"class":711},[701,1127,1128],{"class":728},"hono",[701,1130,732],{"class":711},[701,1132,1133,1135,1137,1140,1142,1144,1146,1149],{"class":703,"line":772},[701,1134,708],{"class":707},[701,1136,712],{"class":711},[701,1138,1139],{"class":715}," evlog",[701,1141,719],{"class":711},[701,1143,722],{"class":707},[701,1145,725],{"class":711},[701,1147,1148],{"class":728},"evlog\u002Fhono",[701,1150,732],{"class":711},[701,1152,1153,1155,1157,1159,1161,1163,1165,1167],{"class":703,"line":778},[701,1154,708],{"class":707},[701,1156,712],{"class":711},[701,1158,716],{"class":715},[701,1160,719],{"class":711},[701,1162,722],{"class":707},[701,1164,725],{"class":711},[701,1166,729],{"class":728},[701,1168,732],{"class":711},[701,1170,1171],{"class":703,"line":805},[701,1172,1035],{"emptyLinePlaceholder":1034},[701,1174,1175,1178,1181,1183,1186,1188],{"class":703,"line":814},[701,1176,1177],{"class":781},"const",[701,1179,1180],{"class":715}," app ",[701,1182,916],{"class":711},[701,1184,1185],{"class":711}," new",[701,1187,1119],{"class":759},[701,1189,1190],{"class":715},"()\n",[701,1192,1193,1196,1198,1201,1203,1206,1208,1211,1214,1217,1219,1222,1224],{"class":703,"line":823},[701,1194,1195],{"class":715},"app",[701,1197,1072],{"class":711},[701,1199,1200],{"class":759},"use",[701,1202,1049],{"class":715},[701,1204,1205],{"class":759},"evlog",[701,1207,1049],{"class":715},[701,1209,1210],{"class":711},"{",[701,1212,1213],{"class":1083}," drain",[701,1215,1216],{"class":711},":",[701,1218,716],{"class":759},[701,1220,1221],{"class":715},"() ",[701,1223,1103],{"class":711},[701,1225,1226],{"class":715},"))\n",[691,1228,1230],{"className":693,"code":1229,"filename":270,"language":696,"meta":697,"style":697},"import express from 'express'\nimport { evlog } from 'evlog\u002Fexpress'\nimport { createClickHouseDrain } from 'evlog\u002Fclickhouse'\n\nconst app = express()\napp.use(evlog({ drain: createClickHouseDrain() }))\n",[617,1231,1232,1249,1268,1286,1290,1303],{"__ignoreMap":697},[701,1233,1234,1236,1239,1242,1244,1247],{"class":703,"line":704},[701,1235,708],{"class":707},[701,1237,1238],{"class":715}," express ",[701,1240,1241],{"class":707},"from",[701,1243,725],{"class":711},[701,1245,1246],{"class":728},"express",[701,1248,732],{"class":711},[701,1250,1251,1253,1255,1257,1259,1261,1263,1266],{"class":703,"line":772},[701,1252,708],{"class":707},[701,1254,712],{"class":711},[701,1256,1139],{"class":715},[701,1258,719],{"class":711},[701,1260,722],{"class":707},[701,1262,725],{"class":711},[701,1264,1265],{"class":728},"evlog\u002Fexpress",[701,1267,732],{"class":711},[701,1269,1270,1272,1274,1276,1278,1280,1282,1284],{"class":703,"line":778},[701,1271,708],{"class":707},[701,1273,712],{"class":711},[701,1275,716],{"class":715},[701,1277,719],{"class":711},[701,1279,722],{"class":707},[701,1281,725],{"class":711},[701,1283,729],{"class":728},[701,1285,732],{"class":711},[701,1287,1288],{"class":703,"line":805},[701,1289,1035],{"emptyLinePlaceholder":1034},[701,1291,1292,1294,1296,1298,1301],{"class":703,"line":814},[701,1293,1177],{"class":781},[701,1295,1180],{"class":715},[701,1297,916],{"class":711},[701,1299,1300],{"class":759}," express",[701,1302,1190],{"class":715},[701,1304,1305,1307,1309,1311,1313,1315,1317,1319,1321,1323,1325,1327,1329],{"class":703,"line":823},[701,1306,1195],{"class":715},[701,1308,1072],{"class":711},[701,1310,1200],{"class":759},[701,1312,1049],{"class":715},[701,1314,1205],{"class":759},[701,1316,1049],{"class":715},[701,1318,1210],{"class":711},[701,1320,1213],{"class":1083},[701,1322,1216],{"class":711},[701,1324,716],{"class":759},[701,1326,1221],{"class":715},[701,1328,1103],{"class":711},[701,1330,1226],{"class":715},[691,1332,1334],{"className":693,"code":1333,"filename":280,"language":696,"meta":697,"style":697},"import Fastify from 'fastify'\nimport { evlog } from 'evlog\u002Ffastify'\nimport { createClickHouseDrain } from 'evlog\u002Fclickhouse'\n\nconst app = Fastify()\nawait app.register(evlog, { drain: createClickHouseDrain() })\n",[617,1335,1336,1352,1371,1389,1393,1406],{"__ignoreMap":697},[701,1337,1338,1340,1343,1345,1347,1350],{"class":703,"line":704},[701,1339,708],{"class":707},[701,1341,1342],{"class":715}," Fastify ",[701,1344,1241],{"class":707},[701,1346,725],{"class":711},[701,1348,1349],{"class":728},"fastify",[701,1351,732],{"class":711},[701,1353,1354,1356,1358,1360,1362,1364,1366,1369],{"class":703,"line":772},[701,1355,708],{"class":707},[701,1357,712],{"class":711},[701,1359,1139],{"class":715},[701,1361,719],{"class":711},[701,1363,722],{"class":707},[701,1365,725],{"class":711},[701,1367,1368],{"class":728},"evlog\u002Ffastify",[701,1370,732],{"class":711},[701,1372,1373,1375,1377,1379,1381,1383,1385,1387],{"class":703,"line":778},[701,1374,708],{"class":707},[701,1376,712],{"class":711},[701,1378,716],{"class":715},[701,1380,719],{"class":711},[701,1382,722],{"class":707},[701,1384,725],{"class":711},[701,1386,729],{"class":728},[701,1388,732],{"class":711},[701,1390,1391],{"class":703,"line":805},[701,1392,1035],{"emptyLinePlaceholder":1034},[701,1394,1395,1397,1399,1401,1404],{"class":703,"line":814},[701,1396,1177],{"class":781},[701,1398,1180],{"class":715},[701,1400,916],{"class":711},[701,1402,1403],{"class":759}," Fastify",[701,1405,1190],{"class":715},[701,1407,1408,1411,1414,1416,1419,1422,1424,1426,1428,1430,1432,1434,1436],{"class":703,"line":823},[701,1409,1410],{"class":707},"await",[701,1412,1413],{"class":715}," app",[701,1415,1072],{"class":711},[701,1417,1418],{"class":759},"register",[701,1420,1421],{"class":715},"(evlog",[701,1423,1093],{"class":711},[701,1425,712],{"class":711},[701,1427,1213],{"class":1083},[701,1429,1216],{"class":711},[701,1431,716],{"class":759},[701,1433,1221],{"class":715},[701,1435,1103],{"class":711},[701,1437,907],{"class":715},[691,1439,1441],{"className":693,"code":1440,"filename":285,"language":696,"meta":697,"style":697},"import { Elysia } from 'elysia'\nimport { evlog } from 'evlog\u002Felysia'\nimport { createClickHouseDrain } from 'evlog\u002Fclickhouse'\n\nconst app = new Elysia().use(evlog({ drain: createClickHouseDrain() }))\n",[617,1442,1443,1463,1482,1500,1504],{"__ignoreMap":697},[701,1444,1445,1447,1449,1452,1454,1456,1458,1461],{"class":703,"line":704},[701,1446,708],{"class":707},[701,1448,712],{"class":711},[701,1450,1451],{"class":715}," Elysia",[701,1453,719],{"class":711},[701,1455,722],{"class":707},[701,1457,725],{"class":711},[701,1459,1460],{"class":728},"elysia",[701,1462,732],{"class":711},[701,1464,1465,1467,1469,1471,1473,1475,1477,1480],{"class":703,"line":772},[701,1466,708],{"class":707},[701,1468,712],{"class":711},[701,1470,1139],{"class":715},[701,1472,719],{"class":711},[701,1474,722],{"class":707},[701,1476,725],{"class":711},[701,1478,1479],{"class":728},"evlog\u002Felysia",[701,1481,732],{"class":711},[701,1483,1484,1486,1488,1490,1492,1494,1496,1498],{"class":703,"line":778},[701,1485,708],{"class":707},[701,1487,712],{"class":711},[701,1489,716],{"class":715},[701,1491,719],{"class":711},[701,1493,722],{"class":707},[701,1495,725],{"class":711},[701,1497,729],{"class":728},[701,1499,732],{"class":711},[701,1501,1502],{"class":703,"line":805},[701,1503,1035],{"emptyLinePlaceholder":1034},[701,1505,1506,1508,1510,1512,1514,1516,1519,1521,1523,1525,1527,1529,1531,1533,1535,1537,1539,1541],{"class":703,"line":814},[701,1507,1177],{"class":781},[701,1509,1180],{"class":715},[701,1511,916],{"class":711},[701,1513,1185],{"class":711},[701,1515,1451],{"class":759},[701,1517,1518],{"class":715},"()",[701,1520,1072],{"class":711},[701,1522,1200],{"class":759},[701,1524,1049],{"class":715},[701,1526,1205],{"class":759},[701,1528,1049],{"class":715},[701,1530,1210],{"class":711},[701,1532,1213],{"class":1083},[701,1534,1216],{"class":711},[701,1536,716],{"class":759},[701,1538,1221],{"class":715},[701,1540,1103],{"class":711},[701,1542,1226],{"class":715},[691,1544,1546],{"className":693,"code":1545,"filename":265,"language":696,"meta":697,"style":697},"import { Module } from '@nestjs\u002Fcommon'\nimport { EvlogModule } from 'evlog\u002Fnestjs'\nimport { createClickHouseDrain } from 'evlog\u002Fclickhouse'\n\n@Module({\n  imports: [EvlogModule.forRoot({ drain: createClickHouseDrain() })],\n})\nexport class AppModule {}\n",[617,1547,1548,1568,1588,1606,1610,1623,1658,1664],{"__ignoreMap":697},[701,1549,1550,1552,1554,1557,1559,1561,1563,1566],{"class":703,"line":704},[701,1551,708],{"class":707},[701,1553,712],{"class":711},[701,1555,1556],{"class":715}," Module",[701,1558,719],{"class":711},[701,1560,722],{"class":707},[701,1562,725],{"class":711},[701,1564,1565],{"class":728},"@nestjs\u002Fcommon",[701,1567,732],{"class":711},[701,1569,1570,1572,1574,1577,1579,1581,1583,1586],{"class":703,"line":772},[701,1571,708],{"class":707},[701,1573,712],{"class":711},[701,1575,1576],{"class":715}," EvlogModule",[701,1578,719],{"class":711},[701,1580,722],{"class":707},[701,1582,725],{"class":711},[701,1584,1585],{"class":728},"evlog\u002Fnestjs",[701,1587,732],{"class":711},[701,1589,1590,1592,1594,1596,1598,1600,1602,1604],{"class":703,"line":778},[701,1591,708],{"class":707},[701,1593,712],{"class":711},[701,1595,716],{"class":715},[701,1597,719],{"class":711},[701,1599,722],{"class":707},[701,1601,725],{"class":711},[701,1603,729],{"class":728},[701,1605,732],{"class":711},[701,1607,1608],{"class":703,"line":805},[701,1609,1035],{"emptyLinePlaceholder":1034},[701,1611,1612,1615,1618,1620],{"class":703,"line":814},[701,1613,1614],{"class":711},"@",[701,1616,1617],{"class":759},"Module",[701,1619,1049],{"class":715},[701,1621,1622],{"class":711},"{\n",[701,1624,1625,1628,1630,1633,1635,1638,1640,1642,1644,1646,1648,1650,1652,1655],{"class":703,"line":823},[701,1626,1627],{"class":1083},"  imports",[701,1629,1216],{"class":711},[701,1631,1632],{"class":715}," [EvlogModule",[701,1634,1072],{"class":711},[701,1636,1637],{"class":759},"forRoot",[701,1639,1049],{"class":715},[701,1641,1210],{"class":711},[701,1643,1213],{"class":1083},[701,1645,1216],{"class":711},[701,1647,716],{"class":759},[701,1649,1221],{"class":715},[701,1651,1103],{"class":711},[701,1653,1654],{"class":715},")]",[701,1656,1657],{"class":711},",\n",[701,1659,1660,1662],{"class":703,"line":829},[701,1661,1103],{"class":711},[701,1663,907],{"class":715},[701,1665,1666,1668,1671,1675],{"class":703,"line":835},[701,1667,1040],{"class":707},[701,1669,1670],{"class":781}," class",[701,1672,1674],{"class":1673},"sBMFI"," AppModule",[701,1676,1677],{"class":711}," {}\n",[691,1679,1681],{"className":693,"code":1680,"filename":300,"language":696,"meta":697,"style":697},"import { initLogger } from 'evlog'\nimport { createClickHouseDrain } from 'evlog\u002Fclickhouse'\n\ninitLogger({\n  env: { service: 'my-app' },\n  drain: createClickHouseDrain(),\n})\n",[617,1682,1683,1702,1720,1724,1733,1757,1770],{"__ignoreMap":697},[701,1684,1685,1687,1689,1692,1694,1696,1698,1700],{"class":703,"line":704},[701,1686,708],{"class":707},[701,1688,712],{"class":711},[701,1690,1691],{"class":715}," initLogger",[701,1693,719],{"class":711},[701,1695,722],{"class":707},[701,1697,725],{"class":711},[701,1699,1205],{"class":728},[701,1701,732],{"class":711},[701,1703,1704,1706,1708,1710,1712,1714,1716,1718],{"class":703,"line":772},[701,1705,708],{"class":707},[701,1707,712],{"class":711},[701,1709,716],{"class":715},[701,1711,719],{"class":711},[701,1713,722],{"class":707},[701,1715,725],{"class":711},[701,1717,729],{"class":728},[701,1719,732],{"class":711},[701,1721,1722],{"class":703,"line":778},[701,1723,1035],{"emptyLinePlaceholder":1034},[701,1725,1726,1729,1731],{"class":703,"line":805},[701,1727,1728],{"class":759},"initLogger",[701,1730,1049],{"class":715},[701,1732,1622],{"class":711},[701,1734,1735,1738,1740,1742,1745,1747,1749,1752,1754],{"class":703,"line":814},[701,1736,1737],{"class":1083},"  env",[701,1739,1216],{"class":711},[701,1741,712],{"class":711},[701,1743,1744],{"class":1083}," service",[701,1746,1216],{"class":711},[701,1748,725],{"class":711},[701,1750,1751],{"class":728},"my-app",[701,1753,794],{"class":711},[701,1755,1756],{"class":711}," },\n",[701,1758,1759,1762,1764,1766,1768],{"class":703,"line":823},[701,1760,1761],{"class":1083},"  drain",[701,1763,1216],{"class":711},[701,1765,716],{"class":759},[701,1767,1518],{"class":715},[701,1769,1657],{"class":711},[701,1771,1772,1774],{"class":703,"line":829},[701,1773,1103],{"class":711},[701,1775,907],{"class":715},[684,1777,543],{"id":1778},"configuration",[1780,1781,1783],"h3",{"id":1782},"environment-variables","Environment variables",[1785,1786,1787,1803],"table",{},[1788,1789,1790],"thead",{},[1791,1792,1793,1797,1800],"tr",{},[1794,1795,1796],"th",{},"Variable",[1794,1798,1799],{},"Required",[1794,1801,1802],{},"Description",[1804,1805,1806,1824,1840,1852,1866],"tbody",{},[1791,1807,1808,1814,1817],{},[1809,1810,1811],"td",{},[617,1812,1813],{},"CLICKHOUSE_ENDPOINT",[1809,1815,1816],{},"Yes",[1809,1818,1819,1820,1823],{},"HTTP interface URL (",[617,1821,1822],{},"CLICKHOUSE_URL"," also accepted)",[1791,1825,1826,1831,1834],{},[1809,1827,1828],{},[617,1829,1830],{},"CLICKHOUSE_USER",[1809,1832,1833],{},"No",[1809,1835,1836,1837],{},"Username. Default ",[617,1838,1839],{},"default",[1791,1841,1842,1847,1849],{},[1809,1843,1844],{},[617,1845,1846],{},"CLICKHOUSE_PASSWORD",[1809,1848,1833],{},[1809,1850,1851],{},"Password. Omit for an unauthenticated local instance",[1791,1853,1854,1859,1861],{},[1809,1855,1856],{},[617,1857,1858],{},"CLICKHOUSE_DATABASE",[1809,1860,1833],{},[1809,1862,1863,1864],{},"Database. Default ",[617,1865,1839],{},[1791,1867,1868,1873,1875],{},[1809,1869,1870],{},[617,1871,1872],{},"CLICKHOUSE_TABLE",[1809,1874,1833],{},[1809,1876,1877,1878],{},"Table. Default ",[617,1879,1880],{},"evlog_events",[1780,1882,346],{"id":1883},"options",[1785,1885,1886,1901],{},[1788,1887,1888],{},[1791,1889,1890,1893,1896,1899],{},[1794,1891,1892],{},"Option",[1794,1894,1895],{},"Type",[1794,1897,1898],{},"Default",[1794,1900,1802],{},[1804,1902,1903,1921,1939,1956,1974,1990,2010,2029,2049,2069],{},[1791,1904,1905,1910,1915,1918],{},[1809,1906,1907],{},[617,1908,1909],{},"endpoint",[1809,1911,1912],{},[617,1913,1914],{},"string",[1809,1916,1917],{},"—",[1809,1919,1920],{},"HTTP interface URL",[1791,1922,1923,1928,1932,1936],{},[1809,1924,1925],{},[617,1926,1927],{},"database",[1809,1929,1930],{},[617,1931,1914],{},[1809,1933,1934],{},[617,1935,1839],{},[1809,1937,1938],{},"Target database",[1791,1940,1941,1945,1949,1953],{},[1809,1942,1943],{},[617,1944,1785],{},[1809,1946,1947],{},[617,1948,1914],{},[1809,1950,1951],{},[617,1952,1880],{},[1809,1954,1955],{},"Target table",[1791,1957,1958,1963,1967,1971],{},[1809,1959,1960],{},[617,1961,1962],{},"username",[1809,1964,1965],{},[617,1966,1914],{},[1809,1968,1969],{},[617,1970,1839],{},[1809,1972,1973],{},"Username",[1791,1975,1976,1981,1985,1987],{},[1809,1977,1978],{},[617,1979,1980],{},"password",[1809,1982,1983],{},[617,1984,1914],{},[1809,1986,1917],{},[1809,1988,1989],{},"Password",[1791,1991,1992,1997,2002,2007],{},[1809,1993,1994],{},[617,1995,1996],{},"asyncInsert",[1809,1998,1999],{},[617,2000,2001],{},"boolean",[1809,2003,2004],{},[617,2005,2006],{},"true",[1809,2008,2009],{},"Batch inserts server-side",[1791,2011,2012,2017,2021,2026],{},[1809,2013,2014],{},[617,2015,2016],{},"waitForAsyncInsert",[1809,2018,2019],{},[617,2020,2001],{},[1809,2022,2023],{},[617,2024,2025],{},"false",[1809,2027,2028],{},"Wait for the flush before responding",[1791,2030,2031,2036,2041,2046],{},[1809,2032,2033],{},[617,2034,2035],{},"transform",[1809,2037,2038],{},[617,2039,2040],{},"(event) => Record\u003Cstring, unknown>",[1809,2042,2043],{},[617,2044,2045],{},"toClickHouseRow",[1809,2047,2048],{},"Map an event to a row",[1791,2050,2051,2056,2061,2066],{},[1809,2052,2053],{},[617,2054,2055],{},"timeout",[1809,2057,2058],{},[617,2059,2060],{},"number",[1809,2062,2063],{},[617,2064,2065],{},"5000",[1809,2067,2068],{},"Request timeout in ms",[1791,2070,2071,2076,2080,2085],{},[1809,2072,2073],{},[617,2074,2075],{},"retries",[1809,2077,2078],{},[617,2079,2060],{},[1809,2081,2082],{},[617,2083,2084],{},"2",[1809,2086,2087],{},"Retry attempts",[684,2089,2091],{"id":2090},"deployment","Deployment",[605,2093,2094],{},"The adapter is identical either way. Only the endpoint and credentials change.",[1780,2096,2098],{"id":2097},"self-hosted","Self-hosted",[605,2100,2101],{},"A local or self-managed instance, with or without auth:",[691,2103,2106],{"className":693,"code":2104,"filename":2105,"language":696,"meta":697,"style":697},"createClickHouseDrain({ endpoint: 'http:\u002F\u002Flocalhost:8123' })\n","server\u002Fplugins\u002Fevlog.ts",[617,2107,2108],{"__ignoreMap":697},[701,2109,2110,2113,2115,2117,2120,2122,2124,2126,2128,2130],{"class":703,"line":704},[701,2111,2112],{"class":759},"createClickHouseDrain",[701,2114,1049],{"class":715},[701,2116,1210],{"class":711},[701,2118,2119],{"class":1083}," endpoint",[701,2121,1216],{"class":711},[701,2123,725],{"class":711},[701,2125,665],{"class":728},[701,2127,794],{"class":711},[701,2129,719],{"class":711},[701,2131,907],{"class":715},[691,2133,2138],{"className":2134,"code":2135,"filename":2136,"language":2137,"meta":697,"style":697},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","CLICKHOUSE_ENDPOINT=http:\u002F\u002Flocalhost:8123\n# Only if your instance requires auth:\nCLICKHOUSE_USER=evlog\nCLICKHOUSE_PASSWORD=your-password\n",".env","bash",[617,2139,2140,2149,2154,2163],{"__ignoreMap":697},[701,2141,2142,2144,2146],{"class":703,"line":704},[701,2143,1813],{"class":715},[701,2145,916],{"class":711},[701,2147,2148],{"class":728},"http:\u002F\u002Flocalhost:8123\n",[701,2150,2151],{"class":703,"line":772},[701,2152,2153],{"class":1010},"# Only if your instance requires auth:\n",[701,2155,2156,2158,2160],{"class":703,"line":778},[701,2157,1830],{"class":715},[701,2159,916],{"class":711},[701,2161,2162],{"class":728},"evlog\n",[701,2164,2165,2167,2169],{"class":703,"line":805},[701,2166,1846],{"class":715},[701,2168,916],{"class":711},[701,2170,2171],{"class":728},"your-password\n",[605,2173,2174,2175,2177,2178,2180,2181,2183,2184,2186],{},"A fresh container runs as ",[617,2176,1839],{}," with no password, which is why ",[617,2179,1962],{},"\ndefaults to ",[617,2182,1839],{}," and ",[617,2185,1980],{}," is optional.",[1780,2188,2190],{"id":2189},"clickhouse-cloud","ClickHouse Cloud",[605,2192,2193],{},"Cloud services always require credentials and speak HTTPS on port 8443:",[691,2195,2197],{"className":693,"code":2196,"filename":2105,"language":696,"meta":697,"style":697},"createClickHouseDrain({\n  endpoint: 'https:\u002F\u002Fabc123.eu-west-1.aws.clickhouse.cloud:8443',\n  password: process.env.CLICKHOUSE_PASSWORD,\n  database: 'logs',\n})\n",[617,2198,2199,2207,2223,2244,2260],{"__ignoreMap":697},[701,2200,2201,2203,2205],{"class":703,"line":704},[701,2202,2112],{"class":759},[701,2204,1049],{"class":715},[701,2206,1622],{"class":711},[701,2208,2209,2212,2214,2216,2219,2221],{"class":703,"line":772},[701,2210,2211],{"class":1083},"  endpoint",[701,2213,1216],{"class":711},[701,2215,725],{"class":711},[701,2217,2218],{"class":728},"https:\u002F\u002Fabc123.eu-west-1.aws.clickhouse.cloud:8443",[701,2220,794],{"class":711},[701,2222,1657],{"class":711},[701,2224,2225,2228,2230,2233,2235,2238,2240,2242],{"class":703,"line":778},[701,2226,2227],{"class":1083},"  password",[701,2229,1216],{"class":711},[701,2231,2232],{"class":715}," process",[701,2234,1072],{"class":711},[701,2236,2237],{"class":715},"env",[701,2239,1072],{"class":711},[701,2241,1846],{"class":715},[701,2243,1657],{"class":711},[701,2245,2246,2249,2251,2253,2256,2258],{"class":703,"line":805},[701,2247,2248],{"class":1083},"  database",[701,2250,1216],{"class":711},[701,2252,725],{"class":711},[701,2254,2255],{"class":728},"logs",[701,2257,794],{"class":711},[701,2259,1657],{"class":711},[701,2261,2262,2264],{"class":703,"line":814},[701,2263,1103],{"class":711},[701,2265,907],{"class":715},[691,2267,2269],{"className":2134,"code":2268,"filename":2136,"language":2137,"meta":697,"style":697},"CLICKHOUSE_ENDPOINT=https:\u002F\u002Fabc123.eu-west-1.aws.clickhouse.cloud:8443\nCLICKHOUSE_PASSWORD=your-service-password\nCLICKHOUSE_DATABASE=logs\n",[617,2270,2271,2280,2289],{"__ignoreMap":697},[701,2272,2273,2275,2277],{"class":703,"line":704},[701,2274,1813],{"class":715},[701,2276,916],{"class":711},[701,2278,2279],{"class":728},"https:\u002F\u002Fabc123.eu-west-1.aws.clickhouse.cloud:8443\n",[701,2281,2282,2284,2286],{"class":703,"line":772},[701,2283,1846],{"class":715},[701,2285,916],{"class":711},[701,2287,2288],{"class":728},"your-service-password\n",[701,2290,2291,2293,2295],{"class":703,"line":778},[701,2292,1858],{"class":715},[701,2294,916],{"class":711},[701,2296,2297],{"class":728},"logs\n",[983,2299,2300,2301,2305,2306,2309,2310,2312],{"color":985,"icon":13},"Copy the endpoint from ",[2302,2303,2304],"em",{},"Connect → HTTPS"," in the ClickHouse Cloud console,\nincluding the ",[617,2307,2308],{},":8443"," port. Cloud services idle-suspend, so the first insert\nafter a pause can take a few seconds; raise ",[617,2311,2055],{}," if you see aborts.",[983,2314,2316,2317,2320,2321,2324,2325,2328,2329,2332],{"color":2315,"icon":388},"success","Credentials are sent as ",[617,2318,2319],{},"X-ClickHouse-User"," \u002F ",[617,2322,2323],{},"X-ClickHouse-Key"," ",[625,2326,2327],{},"headers",",\nnever as query parameters, so they never reach ",[617,2330,2331],{},"system.query_log"," or an\nintermediate proxy's access log.",[684,2334,2336],{"id":2335},"verify-it-locally","Verify it locally",[605,2338,2339],{},"Spin up ClickHouse in Docker, create the table and push a real event:",[691,2341,2344],{"className":2134,"code":2342,"filename":2343,"language":2137,"meta":697,"style":697},"docker compose -f packages\u002Fevlog\u002Ftest\u002Fe2e\u002Fdocker-compose.yml up -d\nCLICKHOUSE_ENDPOINT=http:\u002F\u002Flocalhost:8123 pnpm run test:e2e\ndocker compose -f packages\u002Fevlog\u002Ftest\u002Fe2e\u002Fdocker-compose.yml down -v\n","Terminal",[617,2345,2346,2366,2383],{"__ignoreMap":697},[701,2347,2348,2351,2354,2357,2360,2363],{"class":703,"line":704},[701,2349,2350],{"class":1673},"docker",[701,2352,2353],{"class":728}," compose",[701,2355,2356],{"class":728}," -f",[701,2358,2359],{"class":728}," packages\u002Fevlog\u002Ftest\u002Fe2e\u002Fdocker-compose.yml",[701,2361,2362],{"class":728}," up",[701,2364,2365],{"class":728}," -d\n",[701,2367,2368,2370,2372,2374,2377,2380],{"class":703,"line":772},[701,2369,1813],{"class":715},[701,2371,916],{"class":711},[701,2373,665],{"class":728},[701,2375,2376],{"class":1673}," pnpm",[701,2378,2379],{"class":728}," run",[701,2381,2382],{"class":728}," test:e2e\n",[701,2384,2385,2387,2389,2391,2393,2396],{"class":703,"line":778},[701,2386,2350],{"class":1673},[701,2388,2353],{"class":728},[701,2390,2356],{"class":728},[701,2392,2359],{"class":728},[701,2394,2395],{"class":728}," down",[701,2397,2398],{"class":728}," -v\n",[605,2400,2401,2402,2405,2406,2409,2410,2412,2413,2415,2416,2418],{},"The suite is a ",[625,2403,2404],{},"round-trip",": it inserts events, reads them back with\n",[617,2407,2408],{},"SELECT",", and asserts the typed columns and the ",[617,2411,631],{}," JSON survived. The\ncompose file creates ",[617,2414,1880],{}," from the schema above on first boot.\nWithout ",[617,2417,1813],{}," it skips itself with a visible label.",[605,2420,2421,2422,2425],{},"To ",[2302,2423,2424],{},"see"," the events rather than assert on them, seed the sandbox and open the\nprovisioned dashboard. The stack ships a Grafana with the ClickHouse\ndatasource already wired up:",[691,2427,2429],{"className":2134,"code":2428,"filename":2343,"language":2137,"meta":697,"style":697},"pnpm run sandbox:up\npnpm run sandbox:seed\n# → http:\u002F\u002Flocalhost:3001\u002Fd\u002Fevlog-wide-events\n",[617,2430,2431,2441,2450],{"__ignoreMap":697},[701,2432,2433,2436,2438],{"class":703,"line":704},[701,2434,2435],{"class":1673},"pnpm",[701,2437,2379],{"class":728},[701,2439,2440],{"class":728}," sandbox:up\n",[701,2442,2443,2445,2447],{"class":703,"line":772},[701,2444,2435],{"class":1673},[701,2446,2379],{"class":728},[701,2448,2449],{"class":728}," sandbox:seed\n",[701,2451,2452],{"class":703,"line":778},[701,2453,2454],{"class":1010},"# → http:\u002F\u002Flocalhost:3001\u002Fd\u002Fevlog-wide-events\n",[605,2456,2457,2458,2461,2462,2465],{},"ClickHouse's built-in ",[617,2459,2460],{},"\u002Fplay"," page at ",[617,2463,2464],{},"http:\u002F\u002Flocalhost:8123\u002Fplay"," also works\nfor raw SQL, but it is deliberately minimal, and the dashboard is the better\nstarting point.",[684,2467,2469],{"id":2468},"async-inserts","Async inserts",[605,2471,2472,2473,2478,2479,2482],{},"Log ingestion means many small inserts, and one MergeTree part per request would quickly degrade a table. The adapter therefore enables ",[609,2474,2477],{"href":2475,"rel":2476},"https:\u002F\u002Fclickhouse.com\u002Fdocs\u002Fen\u002Foptimize\u002Fasynchronous-inserts",[613],"asynchronous inserts"," by default, and does ",[625,2480,2481],{},"not"," wait for the flush:",[691,2484,2489],{"className":2485,"code":2487,"language":2488},[2486],"language-text","async_insert=1&wait_for_async_insert=0\n","text",[617,2490,2487],{"__ignoreMap":697},[605,2492,2493],{},"ClickHouse buffers rows server-side and writes them in batches. Draining never blocks a request on disk writes.",[605,2495,2496,2497,2500,2501,2504,2505,1072],{},"Set ",[617,2498,2499],{},"waitForAsyncInsert: true"," if you need the insert acknowledged as durable before the drain resolves, at the cost of latency. Set ",[617,2502,2503],{},"asyncInsert: false"," to insert synchronously, which only makes sense when you already batch client-side with ",[617,2506,2507],{},"evlog\u002Fpipeline",[684,2509,2511],{"id":2510},"querying","Querying",[605,2513,2514,2515,2517],{},"Typed columns are indexed by the sort key; everything else lives in ",[617,2516,631],{}," and is reachable with ClickHouse's JSON functions:",[691,2519,2521],{"className":742,"code":2520,"language":745,"meta":697,"style":697},"-- Error rate per service over the last hour\nSELECT service, countIf(level = 'error') \u002F count() AS error_rate\nFROM evlog_events\nWHERE timestamp > now() - INTERVAL 1 HOUR\nGROUP BY service;\n",[617,2522,2523,2528,2566,2573,2600],{"__ignoreMap":697},[701,2524,2525],{"class":703,"line":704},[701,2526,2527],{"class":1010},"-- Error rate per service over the last hour\n",[701,2529,2530,2532,2534,2537,2540,2543,2545,2548,2550,2552,2555,2558,2560,2563],{"class":703,"line":772},[701,2531,2408],{"class":752},[701,2533,1744],{"class":752},[701,2535,2536],{"class":715},", countIf(",[701,2538,2539],{"class":752},"level",[701,2541,2542],{"class":711}," =",[701,2544,725],{"class":711},[701,2546,2547],{"class":728},"error",[701,2549,794],{"class":711},[701,2551,966],{"class":715},[701,2553,2554],{"class":711},"\u002F",[701,2556,2557],{"class":759}," count",[701,2559,1221],{"class":715},[701,2561,2562],{"class":752},"AS",[701,2564,2565],{"class":715}," error_rate\n",[701,2567,2568,2571],{"class":703,"line":778},[701,2569,2570],{"class":752},"FROM",[701,2572,769],{"class":715},[701,2574,2575,2578,2581,2584,2587,2589,2592,2594,2597],{"class":703,"line":805},[701,2576,2577],{"class":752},"WHERE",[701,2579,2580],{"class":781}," timestamp",[701,2582,2583],{"class":711}," >",[701,2585,2586],{"class":752}," now",[701,2588,1518],{"class":711},[701,2590,2591],{"class":711}," -",[701,2593,972],{"class":715},[701,2595,2596],{"class":752},"1",[701,2598,2599],{"class":752}," HOUR\n",[701,2601,2602,2605,2607],{"class":703,"line":814},[701,2603,2604],{"class":752},"GROUP BY",[701,2606,1744],{"class":752},[701,2608,981],{"class":715},[691,2610,2612],{"className":742,"code":2611,"language":745,"meta":697,"style":697},"-- Slowest routes\nSELECT path, count() AS hits, avg(duration_ms) AS avg_ms, quantile(0.95)(duration_ms) AS p95_ms\nFROM evlog_events\nWHERE timestamp > now() - INTERVAL 1 DAY AND method = 'GET' AND duration_ms IS NOT NULL\nGROUP BY path\nORDER BY avg_ms DESC\nLIMIT 20;\n",[617,2613,2614,2619,2665,2671,2714,2721,2731],{"__ignoreMap":697},[701,2615,2616],{"class":703,"line":704},[701,2617,2618],{"class":1010},"-- Slowest routes\n",[701,2620,2621,2623,2626,2628,2631,2633,2635,2638,2641,2644,2646,2649,2652,2654,2657,2660,2662],{"class":703,"line":772},[701,2622,2408],{"class":752},[701,2624,2625],{"class":781}," path",[701,2627,791],{"class":715},[701,2629,2630],{"class":759},"count",[701,2632,1221],{"class":715},[701,2634,2562],{"class":752},[701,2636,2637],{"class":715}," hits, ",[701,2639,2640],{"class":759},"avg",[701,2642,2643],{"class":715},"(duration_ms) ",[701,2645,2562],{"class":752},[701,2647,2648],{"class":715}," avg_ms, quantile(",[701,2650,2651],{"class":752},"0",[701,2653,1072],{"class":715},[701,2655,2656],{"class":752},"95",[701,2658,2659],{"class":715},")(duration_ms) ",[701,2661,2562],{"class":752},[701,2663,2664],{"class":715}," p95_ms\n",[701,2666,2667,2669],{"class":703,"line":778},[701,2668,2570],{"class":752},[701,2670,769],{"class":715},[701,2672,2673,2675,2677,2679,2681,2683,2685,2687,2689,2691,2694,2697,2699,2701,2704,2706,2708,2711],{"class":703,"line":805},[701,2674,2577],{"class":752},[701,2676,2580],{"class":781},[701,2678,2583],{"class":711},[701,2680,2586],{"class":752},[701,2682,1518],{"class":711},[701,2684,2591],{"class":711},[701,2686,972],{"class":715},[701,2688,2596],{"class":752},[701,2690,978],{"class":752},[701,2692,2693],{"class":752}," AND",[701,2695,2696],{"class":715}," method ",[701,2698,916],{"class":711},[701,2700,725],{"class":711},[701,2702,2703],{"class":728},"GET",[701,2705,794],{"class":711},[701,2707,2693],{"class":752},[701,2709,2710],{"class":715}," duration_ms ",[701,2712,2713],{"class":752},"IS NOT NULL\n",[701,2715,2716,2718],{"class":703,"line":814},[701,2717,2604],{"class":752},[701,2719,2720],{"class":781}," path\n",[701,2722,2723,2725,2728],{"class":703,"line":823},[701,2724,942],{"class":752},[701,2726,2727],{"class":715}," avg_ms ",[701,2729,2730],{"class":752},"DESC\n",[701,2732,2733,2736,2739],{"class":703,"line":829},[701,2734,2735],{"class":752},"LIMIT",[701,2737,2738],{"class":752}," 20",[701,2740,981],{"class":715},[691,2742,2744],{"className":742,"code":2743,"language":745,"meta":697,"style":697},"-- One request end to end\nSELECT timestamp, level, path, status, data\nFROM evlog_events\nWHERE request_id = '4a8ff3a8-...'\nORDER BY timestamp;\n",[617,2745,2746,2751,2776,2782,2798],{"__ignoreMap":697},[701,2747,2748],{"class":703,"line":704},[701,2749,2750],{"class":1010},"-- One request end to end\n",[701,2752,2753,2755,2757,2759,2761,2763,2766,2768,2771,2773],{"class":703,"line":772},[701,2754,2408],{"class":752},[701,2756,2580],{"class":781},[701,2758,791],{"class":715},[701,2760,2539],{"class":752},[701,2762,791],{"class":715},[701,2764,2765],{"class":781},"path",[701,2767,791],{"class":715},[701,2769,2770],{"class":752},"status",[701,2772,791],{"class":715},[701,2774,2775],{"class":752},"data\n",[701,2777,2778,2780],{"class":703,"line":778},[701,2779,2570],{"class":752},[701,2781,769],{"class":715},[701,2783,2784,2786,2789,2791,2793,2796],{"class":703,"line":805},[701,2785,2577],{"class":752},[701,2787,2788],{"class":715}," request_id ",[701,2790,916],{"class":711},[701,2792,725],{"class":711},[701,2794,2795],{"class":728},"4a8ff3a8-...",[701,2797,732],{"class":711},[701,2799,2800,2802,2804],{"class":703,"line":814},[701,2801,942],{"class":752},[701,2803,2580],{"class":781},[701,2805,981],{"class":715},[691,2807,2809],{"className":742,"code":2808,"language":745,"meta":697,"style":697},"-- Reach into a custom field kept only in data\nSELECT JSONExtractString(data, 'user', 'plan') AS plan, count()\nFROM evlog_events\nWHERE timestamp > now() - INTERVAL 7 DAY\nGROUP BY plan;\n",[617,2810,2811,2816,2854,2860,2882],{"__ignoreMap":697},[701,2812,2813],{"class":703,"line":704},[701,2814,2815],{"class":1010},"-- Reach into a custom field kept only in data\n",[701,2817,2818,2820,2823,2825,2827,2829,2832,2834,2836,2838,2841,2843,2845,2847,2850,2852],{"class":703,"line":772},[701,2819,2408],{"class":752},[701,2821,2822],{"class":715}," JSONExtractString(",[701,2824,631],{"class":752},[701,2826,791],{"class":715},[701,2828,794],{"class":711},[701,2830,2831],{"class":728},"user",[701,2833,794],{"class":711},[701,2835,791],{"class":715},[701,2837,794],{"class":711},[701,2839,2840],{"class":728},"plan",[701,2842,794],{"class":711},[701,2844,966],{"class":715},[701,2846,2562],{"class":752},[701,2848,2849],{"class":715}," plan, ",[701,2851,2630],{"class":759},[701,2853,1190],{"class":715},[701,2855,2856,2858],{"class":703,"line":778},[701,2857,2570],{"class":752},[701,2859,769],{"class":715},[701,2861,2862,2864,2866,2868,2870,2872,2874,2876,2879],{"class":703,"line":805},[701,2863,2577],{"class":752},[701,2865,2580],{"class":781},[701,2867,2583],{"class":711},[701,2869,2586],{"class":752},[701,2871,1518],{"class":711},[701,2873,2591],{"class":711},[701,2875,972],{"class":715},[701,2877,2878],{"class":752},"7",[701,2880,2881],{"class":752}," DAY\n",[701,2883,2884,2886],{"class":703,"line":814},[701,2885,2604],{"class":752},[701,2887,2888],{"class":715}," plan;\n",[684,2890,2892],{"id":2891},"custom-schema","Custom schema",[605,2894,2895,2896,2898],{},"Pass ",[617,2897,2035],{}," to target a table of your own shape:",[691,2900,2902],{"className":693,"code":2901,"filename":2105,"language":696,"meta":697,"style":697},"import { createClickHouseDrain } from 'evlog\u002Fclickhouse'\n\ncreateClickHouseDrain({\n  table: 'app_logs',\n  transform: event => ({\n    ts: event.timestamp,\n    lvl: event.level,\n    svc: event.service,\n    payload: JSON.stringify(event),\n  }),\n})\n",[617,2903,2904,2922,2926,2934,2950,2966,2981,2996,3011,3031,3040],{"__ignoreMap":697},[701,2905,2906,2908,2910,2912,2914,2916,2918,2920],{"class":703,"line":704},[701,2907,708],{"class":707},[701,2909,712],{"class":711},[701,2911,716],{"class":715},[701,2913,719],{"class":711},[701,2915,722],{"class":707},[701,2917,725],{"class":711},[701,2919,729],{"class":728},[701,2921,732],{"class":711},[701,2923,2924],{"class":703,"line":772},[701,2925,1035],{"emptyLinePlaceholder":1034},[701,2927,2928,2930,2932],{"class":703,"line":778},[701,2929,2112],{"class":759},[701,2931,1049],{"class":715},[701,2933,1622],{"class":711},[701,2935,2936,2939,2941,2943,2946,2948],{"class":703,"line":805},[701,2937,2938],{"class":1083},"  table",[701,2940,1216],{"class":711},[701,2942,725],{"class":711},[701,2944,2945],{"class":728},"app_logs",[701,2947,794],{"class":711},[701,2949,1657],{"class":711},[701,2951,2952,2955,2957,2960,2962,2964],{"class":703,"line":814},[701,2953,2954],{"class":759},"  transform",[701,2956,1216],{"class":711},[701,2958,2959],{"class":1054}," event",[701,2961,1061],{"class":781},[701,2963,945],{"class":715},[701,2965,1622],{"class":711},[701,2967,2968,2971,2973,2975,2977,2979],{"class":703,"line":823},[701,2969,2970],{"class":1083},"    ts",[701,2972,1216],{"class":711},[701,2974,2959],{"class":715},[701,2976,1072],{"class":711},[701,2978,934],{"class":715},[701,2980,1657],{"class":711},[701,2982,2983,2986,2988,2990,2992,2994],{"class":703,"line":829},[701,2984,2985],{"class":1083},"    lvl",[701,2987,1216],{"class":711},[701,2989,2959],{"class":715},[701,2991,1072],{"class":711},[701,2993,2539],{"class":715},[701,2995,1657],{"class":711},[701,2997,2998,3001,3003,3005,3007,3009],{"class":703,"line":835},[701,2999,3000],{"class":1083},"    svc",[701,3002,1216],{"class":711},[701,3004,2959],{"class":715},[701,3006,1072],{"class":711},[701,3008,948],{"class":715},[701,3010,1657],{"class":711},[701,3012,3013,3016,3018,3021,3023,3026,3029],{"class":703,"line":841},[701,3014,3015],{"class":1083},"    payload",[701,3017,1216],{"class":711},[701,3019,3020],{"class":715}," JSON",[701,3022,1072],{"class":711},[701,3024,3025],{"class":759},"stringify",[701,3027,3028],{"class":715},"(event)",[701,3030,1657],{"class":711},[701,3032,3033,3036,3038],{"class":703,"line":847},[701,3034,3035],{"class":711},"  }",[701,3037,1058],{"class":715},[701,3039,1657],{"class":711},[701,3041,3042,3044],{"class":703,"line":853},[701,3043,1103],{"class":711},[701,3045,907],{"class":715},[605,3047,3048,3049,3051],{},"Keys must match your column names, because ClickHouse rejects a ",[617,3050,619],{}," insert containing unknown columns.",[684,3053,3055],{"id":3054},"batching","Batching",[605,3057,3058],{},"Pair with a pipeline to insert in larger batches:",[691,3060,3062],{"className":693,"code":3061,"filename":2105,"language":696,"meta":697,"style":697},"import { createDrainPipeline } from 'evlog\u002Fpipeline'\nimport { createClickHouseDrain } from 'evlog\u002Fclickhouse'\nimport type { DrainContext } from 'evlog'\n\nconst pipeline = createDrainPipeline\u003CDrainContext>({\n  batch: { size: 500, intervalMs: 5000 },\n})\n\nexport default defineNitroPlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:drain', pipeline(createClickHouseDrain()))\n})\n",[617,3063,3064,3083,3101,3123,3127,3151,3180,3186,3190,3210,3242],{"__ignoreMap":697},[701,3065,3066,3068,3070,3073,3075,3077,3079,3081],{"class":703,"line":704},[701,3067,708],{"class":707},[701,3069,712],{"class":711},[701,3071,3072],{"class":715}," createDrainPipeline",[701,3074,719],{"class":711},[701,3076,722],{"class":707},[701,3078,725],{"class":711},[701,3080,2507],{"class":728},[701,3082,732],{"class":711},[701,3084,3085,3087,3089,3091,3093,3095,3097,3099],{"class":703,"line":772},[701,3086,708],{"class":707},[701,3088,712],{"class":711},[701,3090,716],{"class":715},[701,3092,719],{"class":711},[701,3094,722],{"class":707},[701,3096,725],{"class":711},[701,3098,729],{"class":728},[701,3100,732],{"class":711},[701,3102,3103,3105,3108,3110,3113,3115,3117,3119,3121],{"class":703,"line":778},[701,3104,708],{"class":707},[701,3106,3107],{"class":707}," type",[701,3109,712],{"class":711},[701,3111,3112],{"class":715}," DrainContext",[701,3114,719],{"class":711},[701,3116,722],{"class":707},[701,3118,725],{"class":711},[701,3120,1205],{"class":728},[701,3122,732],{"class":711},[701,3124,3125],{"class":703,"line":805},[701,3126,1035],{"emptyLinePlaceholder":1034},[701,3128,3129,3131,3134,3136,3138,3141,3144,3147,3149],{"class":703,"line":814},[701,3130,1177],{"class":781},[701,3132,3133],{"class":715}," pipeline ",[701,3135,916],{"class":711},[701,3137,3072],{"class":759},[701,3139,3140],{"class":711},"\u003C",[701,3142,3143],{"class":1673},"DrainContext",[701,3145,3146],{"class":711},">",[701,3148,1049],{"class":715},[701,3150,1622],{"class":711},[701,3152,3153,3156,3158,3160,3163,3165,3168,3170,3173,3175,3178],{"class":703,"line":823},[701,3154,3155],{"class":1083},"  batch",[701,3157,1216],{"class":711},[701,3159,712],{"class":711},[701,3161,3162],{"class":1083}," size",[701,3164,1216],{"class":711},[701,3166,3167],{"class":752}," 500",[701,3169,1093],{"class":711},[701,3171,3172],{"class":1083}," intervalMs",[701,3174,1216],{"class":711},[701,3176,3177],{"class":752}," 5000",[701,3179,1756],{"class":711},[701,3181,3182,3184],{"class":703,"line":829},[701,3183,1103],{"class":711},[701,3185,907],{"class":715},[701,3187,3188],{"class":703,"line":835},[701,3189,1035],{"emptyLinePlaceholder":1034},[701,3191,3192,3194,3196,3198,3200,3202,3204,3206,3208],{"class":703,"line":841},[701,3193,1040],{"class":707},[701,3195,1043],{"class":707},[701,3197,1046],{"class":759},[701,3199,1049],{"class":715},[701,3201,1049],{"class":711},[701,3203,1055],{"class":1054},[701,3205,1058],{"class":711},[701,3207,1061],{"class":781},[701,3209,1064],{"class":711},[701,3211,3212,3214,3216,3218,3220,3222,3224,3226,3228,3230,3232,3235,3237,3239],{"class":703,"line":847},[701,3213,1069],{"class":715},[701,3215,1072],{"class":711},[701,3217,1075],{"class":715},[701,3219,1072],{"class":711},[701,3221,1080],{"class":759},[701,3223,1049],{"class":1083},[701,3225,794],{"class":711},[701,3227,1088],{"class":728},[701,3229,794],{"class":711},[701,3231,1093],{"class":711},[701,3233,3234],{"class":759}," pipeline",[701,3236,1049],{"class":1083},[701,3238,2112],{"class":759},[701,3240,3241],{"class":1083},"()))\n",[701,3243,3244,3246],{"class":703,"line":853},[701,3245,1103],{"class":711},[701,3247,907],{"class":715},[684,3249,3251],{"id":3250},"troubleshooting","Troubleshooting",[605,3253,3254,2324,3259,3261,3262,3264,3265,3268],{},[625,3255,3256,1072],{},[617,3257,3258],{},"Missing endpoint",[617,3260,1813],{}," is unset and no ",[617,3263,1909],{}," was passed. The drain logs ",[617,3266,3267],{},"[evlog\u002Fclickhouse] Missing endpoint"," once and then does nothing, so requests are never blocked or failed.",[605,3270,3271,3276,3277,2320,3279,3281,3282,2320,3284,3286,3287,1072],{},[625,3272,3273,1072],{},[617,3274,3275],{},"ClickHouse API error: 401"," Check ",[617,3278,1830],{},[617,3280,1846],{},". Credentials are sent as ",[617,3283,2319],{},[617,3285,2323],{}," headers, never in the query string, so they never reach ",[617,3288,2331],{},[605,3290,3291,3297,3298,3300],{},[625,3292,3293,3296],{},[617,3294,3295],{},"ClickHouse API error: 400"," mentioning unknown column."," Your table does not match the row shape. Either create the table from the DDL above, or supply a ",[617,3299,2035],{}," matching your columns.",[605,3302,3303,3308,3309,3311,3312,3315],{},[625,3304,3305,1072],{},[617,3306,3307],{},"Cannot parse input"," The table exists but a column type disagrees. ",[617,3310,2770],{}," is ",[617,3313,3314],{},"Nullable(UInt16)"," because it is absent on non-HTTP events.",[684,3317,3319],{"id":3318},"direct-api-usage","Direct API usage",[691,3321,3324],{"className":693,"code":3322,"filename":3323,"language":696,"meta":697,"style":697},"import { sendBatchToClickHouse, sendToClickHouse } from 'evlog\u002Fclickhouse'\n\nawait sendToClickHouse(event, { endpoint: 'http:\u002F\u002Flocalhost:8123' })\nawait sendBatchToClickHouse(events, { endpoint: 'http:\u002F\u002Flocalhost:8123' })\n","scripts\u002Fbackfill.ts",[617,3325,3326,3350,3354,3381],{"__ignoreMap":697},[701,3327,3328,3330,3332,3335,3337,3340,3342,3344,3346,3348],{"class":703,"line":704},[701,3329,708],{"class":707},[701,3331,712],{"class":711},[701,3333,3334],{"class":715}," sendBatchToClickHouse",[701,3336,1093],{"class":711},[701,3338,3339],{"class":715}," sendToClickHouse",[701,3341,719],{"class":711},[701,3343,722],{"class":707},[701,3345,725],{"class":711},[701,3347,729],{"class":728},[701,3349,732],{"class":711},[701,3351,3352],{"class":703,"line":772},[701,3353,1035],{"emptyLinePlaceholder":1034},[701,3355,3356,3358,3360,3363,3365,3367,3369,3371,3373,3375,3377,3379],{"class":703,"line":778},[701,3357,1410],{"class":707},[701,3359,3339],{"class":759},[701,3361,3362],{"class":715},"(event",[701,3364,1093],{"class":711},[701,3366,712],{"class":711},[701,3368,2119],{"class":1083},[701,3370,1216],{"class":711},[701,3372,725],{"class":711},[701,3374,665],{"class":728},[701,3376,794],{"class":711},[701,3378,719],{"class":711},[701,3380,907],{"class":715},[701,3382,3383,3385,3387,3390,3392,3394,3396,3398,3400,3402,3404,3406],{"class":703,"line":805},[701,3384,1410],{"class":707},[701,3386,3334],{"class":759},[701,3388,3389],{"class":715},"(events",[701,3391,1093],{"class":711},[701,3393,712],{"class":711},[701,3395,2119],{"class":1083},[701,3397,1216],{"class":711},[701,3399,725],{"class":711},[701,3401,665],{"class":728},[701,3403,794],{"class":711},[701,3405,719],{"class":711},[701,3407,907],{"class":715},[605,3409,3410,791,3413,3416,3417,3420],{},[617,3411,3412],{},"toClickHouseRow()",[617,3414,3415],{},"toJSONEachRow()",", and ",[617,3418,3419],{},"resolveClickHouseUrl()"," are also exported.",[684,3422,3424],{"id":3423},"next-steps","Next steps",[3426,3427,3428,3433,3438,3444],"ul",{},[645,3429,3430,3432],{},[609,3431,66],{"href":67},": control volume before it reaches ClickHouse",[645,3434,3435,3437],{},[609,3436,440],{"href":441},": add derived fields to every event",[645,3439,3440,3443],{},[609,3441,3442],{"href":531},"Pipeline",": batching, retries, and fan-out",[645,3445,3446,3449],{},[609,3447,3448],{"href":153},"Adapters Overview",": all available destinations",[3451,3452,3453],"style",{},"html pre.shiki code .s7zQu, html code.shiki .s7zQu{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}html pre.shiki code .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .sHwdD, html code.shiki .sHwdD{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#546E7A;--shiki-default-font-style:italic;--shiki-dark:#676E95;--shiki-dark-font-style:italic}html pre.shiki code .sHdIc, html code.shiki .sHdIc{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#EEFFFF;--shiki-default-font-style:italic;--shiki-dark:#BABED8;--shiki-dark-font-style:italic}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}",{"title":697,"searchDepth":772,"depth":772,"links":3455},[3456,3457,3458,3459,3463,3467,3468,3469,3470,3471,3472,3473,3474],{"id":686,"depth":772,"text":20},{"id":735,"depth":772,"text":736},{"id":996,"depth":772,"text":25},{"id":1778,"depth":772,"text":543,"children":3460},[3461,3462],{"id":1782,"depth":778,"text":1783},{"id":1883,"depth":778,"text":346},{"id":2090,"depth":772,"text":2091,"children":3464},[3465,3466],{"id":2097,"depth":778,"text":2098},{"id":2189,"depth":778,"text":2190},{"id":2335,"depth":772,"text":2336},{"id":2468,"depth":772,"text":2469},{"id":2510,"depth":772,"text":2511},{"id":2891,"depth":772,"text":2892},{"id":3054,"depth":772,"text":3055},{"id":3250,"depth":772,"text":3251},{"id":3318,"depth":772,"text":3319},{"id":3423,"depth":772,"text":3424},"Insert wide events into ClickHouse over the HTTP interface — typed columns for what you aggregate, full JSON for everything else.","md",[3478,3484],{"label":3479,"icon":3480,"to":611,"target":3481,"color":3482,"variant":3483},"HTTP Interface","i-lucide-external-link","_blank","neutral","subtle",{"label":3485,"icon":3480,"to":2475,"target":3481,"color":3482,"variant":3483},"Async Inserts",{},{"title":196,"icon":199},{"title":600,"description":3475},"2tkkGzm_QM70LI_vpY_UpJWCHtZzf2R9tvxSFL45XwM",[3491,3493],{"title":191,"path":192,"stem":193,"description":3492,"icon":194,"children":-1},"Push wide events to Grafana Loki — self-hosted, multi-tenant, or Grafana Cloud — with low-cardinality labels and full JSON querying.",{"title":201,"path":202,"stem":203,"description":3494,"icon":204,"children":-1},"Send logs via OpenTelemetry Protocol (OTLP) to Grafana, Datadog, Honeycomb, and any compatible backend. Supports gRPC and HTTP transports.",1789076913788]