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Re: [alert] 269#269: sendmsg() failed (109: Too many references: cannot splice)

Илья Шипицин
June 25, 2020 07:50AM
чт, 25 июн. 2020 г. в 16:34, Gena Makhomed <gmm@csdoc.com>:

> Здравствуйте, All!
>
> CentOS 8.2, nginx 1.19.0 из официального репозитория.
>
> Когда запускаю nginx внутри systemd-nspawn контейнера -
> в error.log видно большое количество сообщений про ошибку:
>
> [alert] 269#269: sendmsg() failed (109: Too many references: cannot splice)
>
> Подозреваю, что nginx в контейнере не хватает каких-то лимитов,
> только не понятно каких именно.
>
> При worker_processes 64; ошибка появляется в логах,
> при worker_processes 32; ошибки в логах больше нет.
>
> Каким образом можно сделать так, чтобы nginx работал в контейнере
> systemd-nspawn без ошибок с директивой worker_processes 64; в конфиге?
>
> Насколько критична эта ошибка, и может ли она появиться в логах
> при worker_processes 32; в случае высокой нагрузки на nginx?
>
> Процессор на этом сервере: AMD EPYC 7502P 32-Core Processor
> 32 физических ядра, 64 виртуальных ядра (Simultaneous MultiThreading).
>
> Конфиг:
>
> /etc/systemd/nspawn/1.nspawn
>
> [Exec]
> ResolvConf=copy-host
> LimitNOFILE=infinity
> LimitNICE=40
>
> [Network]
> Bridge=venet0
>
> /etc/nginx/nginx.conf
>
> worker_processes 64;
> worker_priority -10;
> worker_rlimit_core 512M;
> worker_rlimit_nofile 262144;
>

в этом месте вы думаете, что воркер сам себе проставил такой лимит на
количество файлов.

посмотрите в /proc/<pid>/limits , действительно ли там значения, которые вы
ожидаете или нет
у нас было, что systemd применял свои лимиты поверх



> worker_shutdown_timeout 60s;
> working_directory /var/log/nginx;
>
> error_log /var/log/nginx/error.log warn;
>
> events {
> worker_connections 262144;
> use epoll;
> }
>
> http {
> # ...
> }
>
> --
> Best regards,
> Gena
>
> _______________________________________________
> nginx-ru mailing list
> nginx-ru@nginx.org
> http://mailman.nginx.org/mailman/listinfo/nginx-ru
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Subject Author Posted

[alert] 269#269: sendmsg() failed (109: Too many references: cannot splice)

Gena Makhomed June 25, 2020 07:36AM

Re: [alert] 269#269: sendmsg() failed (109: Too many references: cannot splice)

Илья Шипицин June 25, 2020 07:50AM

Re: [alert] 269#269: sendmsg() failed (109: Too many references: cannot splice)

Gena Makhomed June 25, 2020 09:06AM

Re: [alert] 269#269: sendmsg() failed (109: Too many references: cannot splice)

Maxim Dounin June 25, 2020 10:24AM

Re: [alert] 269#269: sendmsg() failed (109: Too many references: cannot splice)

Gena Makhomed June 25, 2020 11:00AM

Re: [alert] 269#269: sendmsg() failed (109: Too many references: cannot splice)

Илья Шипицин June 25, 2020 11:14AM

Re: [alert] 269#269: sendmsg() failed (109: Too many references: cannot splice)

Gena Makhomed June 25, 2020 12:04PM

Re: [alert] 269#269: sendmsg() failed (109: Too many references: cannot splice)

Maxim Dounin June 25, 2020 12:34PM

Re: [alert] 269#269: sendmsg() failed (109: Too many references: cannot splice)

Maxim Dounin June 25, 2020 12:10PM

Re: [alert] 269#269: sendmsg() failed (109: Too many references: cannot splice)

edo1 June 25, 2020 04:04PM

Re: [alert] 269#269: sendmsg() failed (109: Too many references: cannot splice)

Maxim Dounin June 25, 2020 06:20PM



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