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Re: [phpGroupWare-developers] Need your advice on php5 session files - [

From: Chris Weiss
Subject: Re: [phpGroupWare-developers] Need your advice on php5 session files - [Fwd: Bug#479905: phpgroupware-0.9.16-core-base: /var/lib/phpgroupware/sessions grows as files are never purged]
Date: Tue, 27 May 2008 11:53:55 -0500

On Tue, May 27, 2008 at 11:08 AM, Olivier Berger
<address@hidden> wrote:
> Le mercredi 07 mai 2008 à 22:02 +0200, chris a écrit :
>> Le mercredi 07 mai 2008 à 07:11 -0500, Chris Weiss a écrit :
>> >
>> > it's always been my impression that php's garbage collection, not a
>> > cron job, handles removing old session files.  maybe what we have a
>> > bug in php itself...
>> >
>> Garbage collection is disabled in debian, this allows strict permissions
>> on /var/lib/php5.
>> drwx-wx-wt  2 root root 4096 avr 18 10:09 .
>> That if I understand well, let any user create a file and only the one
>> that created the file remove it.
>> So it is not possible to parse the directory. Thats why the cron job is
>> there.
>> My guess is that we will need to enable the gc
>> in /etc/apache2/conf.d/phpgroupware
>>       php_value session.gc_probability 1
> Hmmm... Chris, can you provide some ref docs on that garbage
> collecting ?
> I'm not sure you came to the same conclusion, reading your other post at
> :-/
> Can you summarize your advice (and CC:
> ?

this is becoming less clear.  the wwwroot user does all access to the
files, no matter what phpgw user is logged in.  I don't see how file
permissions affect this.

What I know about the subject is simply from memory of talking to php
developers (the ones that write the php engine) in ##php on freenode,
though that was a while ago, about when php5 was released.

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