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Re: [ic] Re: SessionExpire and cleaning up sessions


On Mon, 28 May 2007, Grant wrote:

I use 'SessionExpire 2 days' in catalog.cfg, and the following is run
nightly to clean up sessions:

# find /pathto/catalog/tmp -type f -mmin +480 | xargs --no-run-if-empty rm
# find /pathto/catalog/tmp -type d -empty -depth -mindepth 1 | xargs
--no-run-if-empty rmdir
# find /pathto/catalog/session -type f -mmin +480 | xargs --no-run-if-empty rm
# find /pathto/catalog/session -type d -empty -depth -mindepth 1 |
xargs --no-run-if-empty rmdir

Do those entries clean up all sessions, active and inactive?  If so,
is there a way to clean up sessions only after 2 days of inactivity?

Should I put my sessions in a DBM or mysql database instead of in files?

Sorry to reply to myself, but I looked into the -mmin +480 parameter and apparently the command won't clean up a session unless it has been inactive for 8 hours. I changed the parameters to -mmin +2940 so they won't be cleaned up unless inactive for 49 hours. That should give SessionExpire a chance to kick in first at 48 hours.

Does that seem OK?

Sounds fine. I don't know of any importance for SessionExpire to apply before you delete the session; it's basically the same either way.

You can use the -mtime argument to find to specify days if you fine -mmin +2940 to be too obscure. :)

I'm still wondering about switching from files to a real DB for sessions.

I wouldn't recommend it unless you have a real reason. Sessions stored in files on a local filesystem are generally the most efficient and easy to manage and prevent fewer locking difficulties than DBM or MySQL with MyISAM tables.

Jon

--
Jon Jensen
End Point Corporation
http://www.endpoint.com/
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