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The integration measures it for you and exposes the timing as ",[548,553,554],{},"auth.resolvedIn"," so you can spot regressions before users do.",[557,558,560],"h2",{"id":559},"watch-session-resolution-time","Watch session resolution time",[562,563,569],"pre",{"className":564,"code":565,"filename":566,"language":567,"meta":568,"style":568},"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","",[548,570,571,580,632,653],{"__ignoreMap":568},[572,573,576],"span",{"class":574,"line":575},"line",1,[572,577,579],{"class":578},"sMK4o","{\n",[572,581,583,586,590,593,596,599,602,606,608,610,614,617,619,622,624,626,629],{"class":574,"line":582},2,[572,584,585],{"class":578},"  \"",[572,587,589],{"class":588},"spNyl","auth",[572,591,592],{"class":578},"\"",[572,594,595],{"class":578},":",[572,597,598],{"class":578}," {",[572,600,601],{"class":578}," \"",[572,603,605],{"class":604},"sBMFI","resolvedIn",[572,607,592],{"class":578},[572,609,595],{"class":578},[572,611,613],{"class":612},"sbssI"," 245",[572,615,616],{"class":578},",",[572,618,601],{"class":578},[572,620,621],{"class":604},"identified",[572,623,592],{"class":578},[572,625,595],{"class":578},[572,627,628],{"class":578}," true",[572,630,631],{"class":578}," },\n",[572,633,635,637,640,642,644,646,650],{"class":574,"line":634},3,[572,636,585],{"class":578},[572,638,639],{"class":588},"duration",[572,641,592],{"class":578},[572,643,595],{"class":578},[572,645,601],{"class":578},[572,647,649],{"class":648},"sfazB","312ms",[572,651,652],{"class":578},"\"\n",[572,654,656],{"class":574,"line":655},4,[572,657,658],{"class":578},"}\n",[545,660,661,662,664,665,667],{},"When ",[548,663,554],{}," is high relative to ",[548,666,639],{},", your auth backend is the bottleneck.",[557,669,671],{"id":670},"tune-for-high-traffic","Tune for high traffic",[673,674,675,690,703],"ol",{},[676,677,678,689],"li",{},[679,680,681,682],"strong",{},"Enable ",[683,684,688],"a",{"href":685,"rel":686},"https:\u002F\u002Fwww.better-auth.com\u002Fdocs\u002Fguides\u002Foptimizing-for-performance#cookie-cache",[687],"nofollow","cookie caching"," in Better Auth so session lookups don't hit the database every time.",[676,691,692,698,699,702],{},[679,693,694,695],{},"Use ",[548,696,697],{},"exclude"," on ",[548,700,701],{},"createAuthMiddleware"," to skip public routes that don't need user context.",[676,704,705,710],{},[679,706,694,707],{},[548,708,709],{},"include"," to limit resolution to specific route patterns instead of the entire app.",[545,712,713,714,717],{},"A common P95 target after caching: ",[548,715,716],{},"auth.resolvedIn \u003C 5ms",".",[557,719,721],{"id":720},"standalone-nitro","Standalone Nitro",[545,723,724,727,728,731,732,735],{},[548,725,726],{},"createAuthIdentifier"," is a factory that creates a Nitro ",[548,729,730],{},"request"," hook. 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