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The integration measures it for you and exposes the timing as ",[612,617,618],{},"auth.resolvedIn"," so you can spot regressions before users do.",[621,622,624],"h2",{"id":623},"watch-session-resolution-time","Watch session resolution time",[626,627,633],"pre",{"className":628,"code":629,"filename":630,"language":631,"meta":632,"style":632},"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","",[612,634,635,644,696,717],{"__ignoreMap":632},[636,637,640],"span",{"class":638,"line":639},"line",1,[636,641,643],{"class":642},"sMK4o","{\n",[636,645,647,650,654,657,660,663,666,670,672,674,678,681,683,686,688,690,693],{"class":638,"line":646},2,[636,648,649],{"class":642},"  \"",[636,651,653],{"class":652},"spNyl","auth",[636,655,656],{"class":642},"\"",[636,658,659],{"class":642},":",[636,661,662],{"class":642}," {",[636,664,665],{"class":642}," \"",[636,667,669],{"class":668},"sBMFI","resolvedIn",[636,671,656],{"class":642},[636,673,659],{"class":642},[636,675,677],{"class":676},"sbssI"," 245",[636,679,680],{"class":642},",",[636,682,665],{"class":642},[636,684,685],{"class":668},"identified",[636,687,656],{"class":642},[636,689,659],{"class":642},[636,691,692],{"class":642}," true",[636,694,695],{"class":642}," },\n",[636,697,699,701,704,706,708,710,714],{"class":638,"line":698},3,[636,700,649],{"class":642},[636,702,703],{"class":652},"duration",[636,705,656],{"class":642},[636,707,659],{"class":642},[636,709,665],{"class":642},[636,711,713],{"class":712},"sfazB","312ms",[636,715,716],{"class":642},"\"\n",[636,718,720],{"class":638,"line":719},4,[636,721,722],{"class":642},"}\n",[609,724,725,726,728,729,731],{},"When ",[612,727,618],{}," is high relative to ",[612,730,703],{},", your auth backend is the bottleneck.",[621,733,735],{"id":734},"tune-for-high-traffic","Tune for high traffic",[737,738,739,754,767],"ol",{},[740,741,742,753],"li",{},[743,744,745,746],"strong",{},"Enable ",[747,748,752],"a",{"href":749,"rel":750},"https:\u002F\u002Fwww.better-auth.com\u002Fdocs\u002Fguides\u002Foptimizing-for-performance#cookie-cache",[751],"nofollow","cookie caching"," in Better Auth so session lookups don't hit the database every time.",[740,755,756,762,763,766],{},[743,757,758,759],{},"Use ",[612,760,761],{},"exclude"," on ",[612,764,765],{},"createAuthMiddleware"," to skip public routes that don't need user context.",[740,768,769,774],{},[743,770,758,771],{},[612,772,773],{},"include"," to limit resolution to specific route patterns instead of the entire app.",[609,776,777,778,781],{},"A common P95 target after caching: ",[612,779,780],{},"auth.resolvedIn \u003C 5ms",".",[621,783,785],{"id":784},"standalone-nitro","Standalone Nitro",[609,787,788,791,792,795,796,799],{},[612,789,790],{},"createAuthIdentifier"," is a factory that creates a Nitro ",[612,793,794],{},"request"," hook. 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