2 V& X/ H! K& y& k$ {" H后来看cloudflare 的email,应该是内部程序的问题 ) A: ]9 y9 I/ ` O4 {3 k: x ; M! g7 |* {. L, |( @' @" `Dear Cloudflare Customer, " H$ q7 L5 r* q" q5 A. f 9 [3 Y) N( l0 z3 QToday at approximately 13:42 UTC we experienced a global service disruption that affected most Cloudflare traffic for 27 minutes. ! J' a& x) T- T1 x/ p: ? Z) E9 ~' l! Q$ {The issue was triggered by a bug in a software deploy of the Cloudflare Web Application Firewall (WAF) which resulted in a CPU usage spike globally, and 502 errors for our customers. To restore global traffic we temporarily disabled certain WAF capabilities, removed the underlying software bug, then verified and re-enabled all WAF services. ) o+ U b# ~- U1 m# o' Y( H* M 6 X# ^, {0 C4 n/ K* O+ gWe’re deeply sorry about how this disruption has impacted your services. Our engineering teams continue to investigate this issue and we will be sharing detailed incident report(s) on the Cloudflare blog. ' T! B# P1 h* `& _9 v. Z ) l' U! h; j+ W% b& i$ @0 @$ e4 q~The Cloudflare Team 3 i+ b' t) j8 ?: H % k- X( v; i7 G/ {8 k' y0 d* D l5 R4 l0 v, h0 [: X7 b6 d6 X