[ic] MySql sessions - expiring
dorothy at digilink.net
Thu Sep 25 14:35:48 EDT 2003
Jon Jensen wrote:
> On Thu, 25 Sep 2003, Dorothy Puma wrote:
>>I have recently followed Dan Browning's instructions
>>(http://www.icdevgroup.org/~danb/ic_howto_cluster.html) for converting
>>over to MySql based sessions. It works like a charm. I checked the
>>archives and found a posting from Mike Heins
>>stating that he didn't know if the "expire" would work with this kind of
>>setup, but I didn't see any follow-ups to that. Does anyone know how to
>>expire the sessions if running in mysql mode?
> Hmm ... I think the easiest way would be to add a column to the sessions
> table of type TIMESTAMP, name "last_modified" or similar. In MySQL that
> would get updated to the current time every time the row's modified, then
> your session expiration would simply consist of somthing like:
> DELETE FROM sessions
> WHERE CURRENT_TIMESTAMP - last_modified > INTERVAL 4 hours;
> That's untested -- the exact syntax will depend on your version of MySQL.
I'll have to look into that. I did notice that there is a timestamp
field in the table, probably for just this use. I'll look at trying to
add this to the cronjobs.
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