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Re: Nginx does not re-open log files on SIGUSR1.

Piotr Sikora
January 03, 2011 06:42AM
Hi Piotr,

> I think this is bug, I saw that after logrotate (which on the end
> running SIGUSR1 on master process) my access log is empty. However if I
> do SIGHUP it starts working. Looks like Nginx does not re-open logfiles
> after USR1.
>
> I was able reproduce it multiple times, nginx version 0.8.53, I am not
> sure if it was working in older versions.

Are you sure that logrotate sends SIGUSR1?
Did you try sending this signal yourself?
How did you verify that logs did not re-open?

Everything works fine with nginx/0.8.53 on my system (OpenBSD):

$ nginx -V 2>&1 | head -1
nginx version: nginx/0.8.53

$ sudo rm -rf /var/log/nginx/*
$ sudo nginx

$ curl localhost >/dev/null 2>&1
$ ls -l /var/log/nginx/
total 8
-rw-r--r-- 1 root wheel 167 Jan 3 11:30 access.log
-rw-r--r-- 1 root wheel 775 Jan 3 11:30 error.log

$ sudo pkill -USR1 nginx

$ curl localhost >/dev/null 2>&1
$ ls -l /var/log/nginx/
total 8
-rw-r--r-- 1 _nginx wheel 334 Jan 3 11:31 access.log
-rw-r--r-- 1 _nginx wheel 1593 Jan 3 11:31 error.log

Best regards,
Piotr Sikora < piotr.sikora@frickle.com >


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Subject Author Posted

Nginx does not re-open log files on SIGUSR1.

Piotr Karbowski January 03, 2011 05:50AM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Sikora January 03, 2011 06:42AM

Re: Nginx does not re-open log files on SIGUSR1.

Gena Makhomed January 03, 2011 07:04AM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Sikora January 03, 2011 07:22AM

Re: Nginx does not re-open log files on SIGUSR1.

Gena Makhomed January 03, 2011 08:02AM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Sikora January 03, 2011 08:14AM

Re: Nginx does not re-open log files on SIGUSR1.

John Feuerstein January 03, 2011 09:00AM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Sikora January 03, 2011 09:18AM

Re: Nginx does not re-open log files on SIGUSR1.

John Feuerstein January 03, 2011 10:24AM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Sikora January 03, 2011 10:38AM

Re: Nginx does not re-open log files on SIGUSR1.

Gena Makhomed January 03, 2011 11:24AM

Re: Nginx does not re-open log files on SIGUSR1.

Gena Makhomed January 03, 2011 11:06AM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Karbowski January 03, 2011 07:52AM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Sikora January 03, 2011 07:56AM

Re: Nginx does not re-open log files on SIGUSR1.

Gena Makhomed January 03, 2011 08:20AM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Karbowski January 03, 2011 09:08AM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Sikora January 03, 2011 09:12AM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Karbowski January 03, 2011 09:20AM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Sikora January 03, 2011 09:28AM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Karbowski January 03, 2011 09:46AM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Sikora January 03, 2011 10:50AM

Re: Nginx does not re-open log files on SIGUSR1.

Gena Makhomed January 03, 2011 10:52AM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Sikora January 03, 2011 12:08PM

Re: Nginx does not re-open log files on SIGUSR1.

Gena Makhomed January 03, 2011 12:46PM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Sikora January 03, 2011 01:10PM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Karbowski January 03, 2011 03:40PM

Re: Nginx does not re-open log files on SIGUSR1.

Piotr Sikora January 04, 2011 04:22AM

Re: Nginx does not re-open log files on SIGUSR1.

Gena Makhomed January 03, 2011 12:46PM



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