[Bug 1356113] Re: PHP5 session clean cron job causes OOM

[Ondřej Surý]

> I was just trying to make a point

You did make a point, but totally different from the one intended.

Also your proposed fix is incomplete...

# sed -n -e
's/^[[:space:]]*session.save_handler[[:space:]]*=[[:space:]]*\([[:alnum:]]\+\).*$/\1/p'
/etc/php5/fpm/php.ini

# php5 -c /etc/php5/fpm/php.ini -d "error_reporting='~E_ALL'" -r 'echo ini_get("session.save_handler")."\n";'
files

The cron job is really meant for the default setup, since it also has
other problems:

* The cron job doesn't handle custom session.save_path
* The cron job doesn't catch session files in subdirectories

> If you seriously think running lsof on a server every 30 minutes
regardless of the necessity is perfectly safe, then I guess we can agree
to disagree :)

If you can come up with a better way how to skip and not delete session
files that are still used by long running scripts (e.g.
https://bugs.debian.org/626640), then I would gladly accept the new
solution.

I am also going to improve the wording of README.Debian to accent the
need to modify the cron job if you modify the session handling.

** Bug watch added: Debian Bug tracker #626640
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=626640

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Title:
  PHP5 session clean cron job causes OOM

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