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client timed out & readv() failed

Vadim Lazovskiy
March 03, 2016 10:56AM
Здравствуйте.

Возможно немного не по теме, но возможно кто-то сталкивался.

Есть upstream на nginx раздающий файлы.
Есть frontend на nginx проксирующий и кэширующий их.

Периодически в логах появляются ошибки:

upstream (nginx 1.2.9):
2016/03/03 18:28:57 [info] 16552#0: *190295515 client timed out (110:
Connection timed out) while sending response to client, client: IP, server:
SERVER, request: "GET /URI HTTP/1.0", host: "SERVER", referrer: "REFER"

frontend (nginx 1.9.11):
2016/03/03 18:27:56 [error] 22785#22785: *168191 readv() failed (104:
Connection reset by peer) while reading upstream, client: IP, server:
SERVER, request: "GET /URI HTTP/1.1", subrequest: "/URI", upstream:
"UPSTREAM", host: "SERVER", referrer: "REFER"

Причем фронтенд рапортует, что ничего не сделать на минуту раньше, нежели
бакенд.

frontend подключен по 10G, примерно 4G исходящего и 2.5G входящего трафика.
backend - port channel из 4 1G линков, недостатка в полосе не имеет.

Кто-нибудь сталкивался с подобными ошибками? С чем может быть связано и что
подкрутить?

Спасибо.

--
WBR,
Vadim Lazovskiy
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Subject Author Posted

client timed out & readv() failed

Vadim Lazovskiy March 03, 2016 10:56AM

Re: client timed out & readv() failed

Andrey Kopeyko March 03, 2016 11:04AM

Re: client timed out & readv() failed

Vadim Lazovskiy March 03, 2016 11:24AM

Re: client timed out & readv() failed

Maxim Dounin March 03, 2016 12:38PM

Re: client timed out & readv() failed

Evgeniy Berdnikov March 03, 2016 01:42PM

Re: client timed out & readv() failed

Maxim Dounin March 03, 2016 02:50PM

Re: client timed out & readv() failed

Evgeniy Berdnikov March 03, 2016 04:14PM

Re: client timed out & readv() failed

Maxim Dounin March 03, 2016 09:26PM

Re: client timed out & readv() failed

Evgeniy Berdnikov March 04, 2016 02:52AM



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