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The integration measures it for you and exposes the timing as ",[622,627,628],{},"auth.resolvedIn"," so you can spot regressions before users do.",[631,632,634],"h2",{"id":633},"watch-session-resolution-time","Watch session resolution time",[636,637,643],"pre",{"className":638,"code":639,"filename":640,"language":641,"meta":642,"style":642},"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","",[622,644,645,654,706,727],{"__ignoreMap":642},[646,647,650],"span",{"class":648,"line":649},"line",1,[646,651,653],{"class":652},"sMK4o","{\n",[646,655,657,660,664,667,670,673,676,680,682,684,688,691,693,696,698,700,703],{"class":648,"line":656},2,[646,658,659],{"class":652},"  \"",[646,661,663],{"class":662},"spNyl","auth",[646,665,666],{"class":652},"\"",[646,668,669],{"class":652},":",[646,671,672],{"class":652}," {",[646,674,675],{"class":652}," \"",[646,677,679],{"class":678},"sBMFI","resolvedIn",[646,681,666],{"class":652},[646,683,669],{"class":652},[646,685,687],{"class":686},"sbssI"," 245",[646,689,690],{"class":652},",",[646,692,675],{"class":652},[646,694,695],{"class":678},"identified",[646,697,666],{"class":652},[646,699,669],{"class":652},[646,701,702],{"class":652}," true",[646,704,705],{"class":652}," },\n",[646,707,709,711,714,716,718,720,724],{"class":648,"line":708},3,[646,710,659],{"class":652},[646,712,713],{"class":662},"duration",[646,715,666],{"class":652},[646,717,669],{"class":652},[646,719,675],{"class":652},[646,721,723],{"class":722},"sfazB","312ms",[646,725,726],{"class":652},"\"\n",[646,728,730],{"class":648,"line":729},4,[646,731,732],{"class":652},"}\n",[619,734,735,736,738,739,741],{},"When ",[622,737,628],{}," is high relative to ",[622,740,713],{},", your auth backend is the bottleneck.",[631,743,745],{"id":744},"tune-for-high-traffic","Tune for high traffic",[747,748,749,764,777],"ol",{},[750,751,752,763],"li",{},[753,754,755,756],"strong",{},"Enable ",[757,758,762],"a",{"href":759,"rel":760},"https:\u002F\u002Fwww.better-auth.com\u002Fdocs\u002Fguides\u002Foptimizing-for-performance#cookie-cache",[761],"nofollow","cookie caching"," in Better Auth so session lookups don't hit the database every time.",[750,765,766,772,773,776],{},[753,767,768,769],{},"Use ",[622,770,771],{},"exclude"," on ",[622,774,775],{},"createAuthMiddleware"," to skip public routes that don't need user context.",[750,778,779,784],{},[753,780,768,781],{},[622,782,783],{},"include"," to limit resolution to specific route patterns instead of the entire app.",[619,786,787,788,791],{},"A common P95 target after caching: ",[622,789,790],{},"auth.resolvedIn \u003C 5ms",".",[631,793,795],{"id":794},"standalone-nitro","Standalone Nitro",[619,797,798,801,802,805,806,809],{},[622,799,800],{},"createAuthIdentifier"," is a factory that creates a Nitro ",[622,803,804],{},"request"," hook. 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