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The integration measures it for you and exposes the timing as ",[544,549,550],{},"auth.resolvedIn"," so you can spot regressions before users do.",[553,554,556],"h2",{"id":555},"watch-session-resolution-time","Watch session resolution time",[558,559,565],"pre",{"className":560,"code":561,"filename":562,"language":563,"meta":564,"style":564},"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","",[544,566,567,576,628,649],{"__ignoreMap":564},[568,569,572],"span",{"class":570,"line":571},"line",1,[568,573,575],{"class":574},"sMK4o","{\n",[568,577,579,582,586,589,592,595,598,602,604,606,610,613,615,618,620,622,625],{"class":570,"line":578},2,[568,580,581],{"class":574},"  \"",[568,583,585],{"class":584},"spNyl","auth",[568,587,588],{"class":574},"\"",[568,590,591],{"class":574},":",[568,593,594],{"class":574}," {",[568,596,597],{"class":574}," \"",[568,599,601],{"class":600},"sBMFI","resolvedIn",[568,603,588],{"class":574},[568,605,591],{"class":574},[568,607,609],{"class":608},"sbssI"," 245",[568,611,612],{"class":574},",",[568,614,597],{"class":574},[568,616,617],{"class":600},"identified",[568,619,588],{"class":574},[568,621,591],{"class":574},[568,623,624],{"class":574}," true",[568,626,627],{"class":574}," },\n",[568,629,631,633,636,638,640,642,646],{"class":570,"line":630},3,[568,632,581],{"class":574},[568,634,635],{"class":584},"duration",[568,637,588],{"class":574},[568,639,591],{"class":574},[568,641,597],{"class":574},[568,643,645],{"class":644},"sfazB","312ms",[568,647,648],{"class":574},"\"\n",[568,650,652],{"class":570,"line":651},4,[568,653,654],{"class":574},"}\n",[541,656,657,658,660,661,663],{},"When ",[544,659,550],{}," is high relative to ",[544,662,635],{},", your auth backend is the bottleneck.",[553,665,667],{"id":666},"tune-for-high-traffic","Tune for high traffic",[669,670,671,686,699],"ol",{},[672,673,674,685],"li",{},[675,676,677,678],"strong",{},"Enable ",[679,680,684],"a",{"href":681,"rel":682},"https:\u002F\u002Fwww.better-auth.com\u002Fdocs\u002Fguides\u002Foptimizing-for-performance#cookie-cache",[683],"nofollow","cookie caching"," in Better Auth so session lookups don't hit the database every time.",[672,687,688,694,695,698],{},[675,689,690,691],{},"Use ",[544,692,693],{},"exclude"," on ",[544,696,697],{},"createAuthMiddleware"," to skip public routes that don't need user context.",[672,700,701,706],{},[675,702,690,703],{},[544,704,705],{},"include"," to limit resolution to specific route patterns instead of the entire app.",[541,708,709,710,713],{},"A common P95 target after caching: ",[544,711,712],{},"auth.resolvedIn \u003C 5ms",".",[553,715,717],{"id":716},"standalone-nitro","Standalone Nitro",[541,719,720,723,724,727,728,731],{},[544,721,722],{},"createAuthIdentifier"," is a factory that creates a Nitro ",[544,725,726],{},"request"," hook. 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