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The integration measures it for you and exposes the timing as ",[608,613,614],{},"auth.resolvedIn"," so you can spot regressions before users do.",[617,618,620],"h2",{"id":619},"watch-session-resolution-time","Watch session resolution time",[622,623,629],"pre",{"className":624,"code":625,"filename":626,"language":627,"meta":628,"style":628},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"auth\": { \"resolvedIn\": 245, \"identified\": true },\n  \"duration\": \"312ms\"\n}\n","Wide Event — slow session resolution","json","",[608,630,631,640,692,713],{"__ignoreMap":628},[632,633,636],"span",{"class":634,"line":635},"line",1,[632,637,639],{"class":638},"sMK4o","{\n",[632,641,643,646,650,653,656,659,662,666,668,670,674,677,679,682,684,686,689],{"class":634,"line":642},2,[632,644,645],{"class":638},"  \"",[632,647,649],{"class":648},"spNyl","auth",[632,651,652],{"class":638},"\"",[632,654,655],{"class":638},":",[632,657,658],{"class":638}," {",[632,660,661],{"class":638}," \"",[632,663,665],{"class":664},"sBMFI","resolvedIn",[632,667,652],{"class":638},[632,669,655],{"class":638},[632,671,673],{"class":672},"sbssI"," 245",[632,675,676],{"class":638},",",[632,678,661],{"class":638},[632,680,681],{"class":664},"identified",[632,683,652],{"class":638},[632,685,655],{"class":638},[632,687,688],{"class":638}," true",[632,690,691],{"class":638}," },\n",[632,693,695,697,700,702,704,706,710],{"class":634,"line":694},3,[632,696,645],{"class":638},[632,698,699],{"class":648},"duration",[632,701,652],{"class":638},[632,703,655],{"class":638},[632,705,661],{"class":638},[632,707,709],{"class":708},"sfazB","312ms",[632,711,712],{"class":638},"\"\n",[632,714,716],{"class":634,"line":715},4,[632,717,718],{"class":638},"}\n",[605,720,721,722,724,725,727],{},"When ",[608,723,614],{}," is high relative to ",[608,726,699],{},", your auth backend is the bottleneck.",[617,729,731],{"id":730},"tune-for-high-traffic","Tune for high traffic",[733,734,735,750,763],"ol",{},[736,737,738,749],"li",{},[739,740,741,742],"strong",{},"Enable ",[743,744,748],"a",{"href":745,"rel":746},"https:\u002F\u002Fwww.better-auth.com\u002Fdocs\u002Fguides\u002Foptimizing-for-performance#cookie-cache",[747],"nofollow","cookie caching"," in Better Auth so session lookups don't hit the database every time.",[736,751,752,758,759,762],{},[739,753,754,755],{},"Use ",[608,756,757],{},"exclude"," on ",[608,760,761],{},"createAuthMiddleware"," to skip public routes that don't need user context.",[736,764,765,770],{},[739,766,754,767],{},[608,768,769],{},"include"," to limit resolution to specific route patterns instead of the entire app.",[605,772,773,774,777],{},"A common P95 target after caching: ",[608,775,776],{},"auth.resolvedIn \u003C 5ms",".",[617,779,781],{"id":780},"standalone-nitro","Standalone Nitro",[605,783,784,787,788,791,792,795],{},[608,785,786],{},"createAuthIdentifier"," is a factory that creates a Nitro ",[608,789,790],{},"request"," hook. 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