% ]) O. G5 J, i* g/ n; i后来看cloudflare 的email,应该是内部程序的问题 5 ]3 C% J# N0 {) y/ p1 {; }/ d; D# P* w( x: X* f2 F' d
Dear Cloudflare Customer, ' t& C4 ^- }: X4 {& Z6 X3 O8 a' q8 s& i6 S# W& g
Today at approximately 13:42 UTC we experienced a global service disruption that affected most Cloudflare traffic for 27 minutes. ! u4 v' Q ], q9 W A- T9 W: S" ^1 }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. ; Y, J1 }! W' q! b& ^ 9 U6 @5 Q1 c4 X- h! fWe’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. & K4 g8 N3 ]0 H
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~The Cloudflare Team : A5 `( c: L) T: P! `& v