Btw, using the nginx packages automatically configure stuff to run out of
the box, including the (r)syslog rotation configuration.
Here is an insight of the nginx log rotation configuration file:
https://unix.stackexchange.com/questions/106280/what-does-this-logrotate-nginx-config-do
If you are using GNU/Linux, (r)syslog is the most reliable/maintainable way
of implementating any kind of rotation... ;o)
---
*B. R.*
On Thu, Oct 9, 2014 at 8:54 AM, B.R. <reallfqq-nginx@yahoo.fr> wrote:
> From what you explain, that problem most probably come from the way you
> actually do the log rotation.
> I first suggest you read how nginx handle it on the nginx control docs
> <http://nginx.org/en/docs/control.html#logs>.
>
> It seems nginx is not able to find your old log file when you moved the
> old one.
> You will notice that nginx keeps the old file open until a new one is
> opened, and you will notice that the old file must be *renamed* (thus,
> from what I understood, moving the file within the same filesystem is OK,
> since the inode remains the same, due to the file descriptor being open).
>
> If you are unsure about the the internals of *mv*, either use *rename* or
> ensure you do not move the file out of the log directory previous to having
> switched to the new one.
> If you are running on another OS than GNU Linux, you will need to know
> what the file utilities you use actually do and seek for a way to rename
> the old log file without destroying the ability for nginx to keep the old
> file open, even with a new name.
>
> Even if that part seems OK, ensure the 'reopen' command equals a USR1
> signal and is sent to the master process.
> Once the signal is issued, you can then move the old log file wherever you
> wish.
> ---
> *B. R.*
>
> On Thu, Oct 9, 2014 at 2:32 AM, Lorenzo Raffio <
> multiformeingegno@gmail.com> wrote:
>
>> From time to time access logs (for which I don't have a logrotation and
>> manually rotate them) just "hang" and no lines are written. Same file and
>> folder. No change in Nginx config! And the fact seems totally random, it's
>> not related to file size, it happens to files some kilobytes long, and
>> other with nearly 100 Mb of lines. As soon as I run "nginx -s reopen", they
>> start working again. Any idea?
>>
>>
>> _______________________________________________
>> nginx mailing list
>> nginx@nginx.org
>> http://mailman.nginx.org/mailman/listinfo/nginx
>>
>
>
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