Re: Is Django logging multi-process safe?

Hi,

If you are running on a Linux system, you'd better using the standard stream logs and logrotate to manage file rotating.

The later is the blessed tool for this kind of task, since it manages for free the compression of rotated files and removal of oldest ones if you want to.

Regards

Eric

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From: django-users@googlegroups.com <django-users@googlegroups.com> on behalf of Dan Davis <dansmood@gmail.com>
Sent: Friday, December 21, 2018 5:55:35 PM
To: Django users
Subject: Re: Is Django logging multi-process safe?

 

Looks like I should use a WatchedFileHandler and then have logrotate do the logging.   If the file pointer is moved by another process, then it will work.

Does gunicorn patch this for me?   Will I be better off using syslog or something?

On Friday, December 21, 2018 at 11:51:16 AM UTC-5, Dan Davis wrote:

I just came across this:

https://docs.python.org/3.5/howto/logging-cookbook.html#logging-to-a-single-file-from-multiple-processes

This suggests that log messages sent to a StreamHandler will be processed properly, but log messages sent to a standard logging.handlers.TimedRotatingFileHandler are not process safe.

What sayeth the group?

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