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The integration measures it for you and exposes the timing as ",[557,562,563],{},"auth.resolvedIn"," so you can spot regressions before users do.",[566,567,569],"h2",{"id":568},"watch-session-resolution-time","Watch session resolution time",[571,572,578],"pre",{"className":573,"code":574,"filename":575,"language":576,"meta":577,"style":577},"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","",[557,579,580,589,641,662],{"__ignoreMap":577},[581,582,585],"span",{"class":583,"line":584},"line",1,[581,586,588],{"class":587},"sMK4o","{\n",[581,590,592,595,599,602,605,608,611,615,617,619,623,626,628,631,633,635,638],{"class":583,"line":591},2,[581,593,594],{"class":587},"  \"",[581,596,598],{"class":597},"spNyl","auth",[581,600,601],{"class":587},"\"",[581,603,604],{"class":587},":",[581,606,607],{"class":587}," {",[581,609,610],{"class":587}," \"",[581,612,614],{"class":613},"sBMFI","resolvedIn",[581,616,601],{"class":587},[581,618,604],{"class":587},[581,620,622],{"class":621},"sbssI"," 245",[581,624,625],{"class":587},",",[581,627,610],{"class":587},[581,629,630],{"class":613},"identified",[581,632,601],{"class":587},[581,634,604],{"class":587},[581,636,637],{"class":587}," true",[581,639,640],{"class":587}," },\n",[581,642,644,646,649,651,653,655,659],{"class":583,"line":643},3,[581,645,594],{"class":587},[581,647,648],{"class":597},"duration",[581,650,601],{"class":587},[581,652,604],{"class":587},[581,654,610],{"class":587},[581,656,658],{"class":657},"sfazB","312ms",[581,660,661],{"class":587},"\"\n",[581,663,665],{"class":583,"line":664},4,[581,666,667],{"class":587},"}\n",[554,669,670,671,673,674,676],{},"When ",[557,672,563],{}," is high relative to ",[557,675,648],{},", your auth backend is the bottleneck.",[566,678,680],{"id":679},"tune-for-high-traffic","Tune for high traffic",[682,683,684,699,712],"ol",{},[685,686,687,698],"li",{},[688,689,690,691],"strong",{},"Enable ",[692,693,697],"a",{"href":694,"rel":695},"https:\u002F\u002Fwww.better-auth.com\u002Fdocs\u002Fguides\u002Foptimizing-for-performance#cookie-cache",[696],"nofollow","cookie caching"," in Better Auth so session lookups don't hit the database every time.",[685,700,701,707,708,711],{},[688,702,703,704],{},"Use ",[557,705,706],{},"exclude"," on ",[557,709,710],{},"createAuthMiddleware"," to skip public routes that don't need user context.",[685,713,714,719],{},[688,715,703,716],{},[557,717,718],{},"include"," to limit resolution to specific route patterns instead of the entire app.",[554,721,722,723,726],{},"A common P95 target after caching: ",[557,724,725],{},"auth.resolvedIn \u003C 5ms",".",[566,728,730],{"id":729},"standalone-nitro","Standalone Nitro",[554,732,733,736,737,740,741,744],{},[557,734,735],{},"createAuthIdentifier"," is a factory that creates a Nitro ",[557,738,739],{},"request"," hook. 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