Re: [Phpgroupware-users] Apache/PHP problems was Problems with Apache Processes

[Bart Bailey]

Alex,
My current setups include:

Production
===================
Distribution: RedHat 8.0
Kernel Version: 2.4.18-26.8.0
Libc: glibc-2.2.93-5
Patches/Custom: None
Apache: 2.0.40
PHP: PHP-4.2.2-8.0.7
Database: PostgreSQL 7.2.3-5.80
Number of Users: 250
Avg Concurrent Users: 25
phpGroupware: 0.9.14.006

Private
=================== 
                                                                                                     

Distribution:  RedHat 9.0
Kernel Version: 2.4.20-19 SMP
Libc: glibc-2.3.2-27.9
Patches/Custom: None
Apache: 2.0.40-21.3
PHP: PHP-4.2.2-17.2
Database:  PostgreSQL 7.3.2-3
Number of Users: 5
Avg Concurrent Users: 1
phpGroupware: 0.9.14.006

Testing
================= 
                                                                                                     

Distribution: RedHat 9.0
Kernel Version: 2.4.20-18.9
Libc: glibc-2.3.2-27.9
Patches/Custom: None
Apache: 2.0.40-21.3
PHP: PHP-4.2.2-17.2
Database: MySQL 3.23.56-1.9 / PostgreSQL 7.3.2-3
Number of Users: 2
Avg Concurrent Users: 1
phpGroupware: 0.9.14.006

I had previously been using phpGroupWare 0.9.14.003 and had not notice 
the problem, however, I upgraded Apache, my kernel and glibc just prior 
to moving to 0.9.14.006.

A couple of quick questions:
Does this mean there are two problems instead of just one?  The calendar 
application not storing the preferences in the correct format, and/or 
Apache/PHP not terminating the script after an alotted amount of time?

Also, in tracking down the formatting(intval(0)) problem, any clues to 
where I should be looking?  In the calendar scripts or in the phpgwapi 
preference scripts?  
Thanks,
Bart

Alex Borges wrote:

> I think most with a (largish) install have experienced this. I know i
> have. And we need to hunt it down.
>
> For example, in previous versions of the email app (pre cache on db),
> when you viewd a message, deleted it, then click the back button  would
> lead to this state (apache goes mad).
>
> Now there is also this excelent calendar report (bellow), that also
> points to what appears to be the same problem.
>
> Now, php has a timeout for execution of scripts, so in any case, those
> proceses should die when that time is over.
>
> This points to a bug in the php version, or the apache version, or a
> combination thereoff. Maybe even to lower level libraries (ive allways
> thought this was an email/socket related problem in php. Probabbly
> because the same bug shows  in squirrelmail (which doesnt even use the
> imap library), i can confirm this for a 12000 user install of SM).
>
> So, all of the ppl that have gotten this ugly bug, please post your
> apache/php/db combo bellow, versions included, prefferably distribution
> version, kernel version and libc version quirks/patches you may have
> applied. Lets see if we have a pattern somewhere.
>
> El lun, 15-09-2003 a las 16:44, Bart Bailey escribió:
>  
>
> > On September 10, 2003 Jorge Izquierdo posted a message about problems 
> > with the apache processes.  He was experiencing httpd processes 
> > consuming all of the CPU on his system.  I am having a simular problem. 
> > An associate of mine tracked the problem down to the calendar program. 
My associate is using RH9.0/MySQL, sorry but the other details are unknown.

> > It works like this:
> > In user preferences, if a user selects 00:00 hrs as a workday start or 
> > work day end, viewing the day view causes the error.  If the start 
> > preference is changed to 01:00 and the end to 23:00 the problem goes 
> > away.  I have tried several different combinations of times, and the 
> > problem only seems to arise if 00:00 hrs is selected.
> >
> > I have tried this on 4 separate phpGroupWare 0.9.14.006 instalations( 3 
> > with Postgresql and 1 with MySql), all have the same problem. 
> > Additionally, changing the persistant connections in the php.ini seems 
> > to have not effect.
> >
> > Changing the Forced Preferences doesn't seem to fix the problem if the 
> > user selects 00:00 as a work time.
> >
> > I have looked at the class.uipreferences.php in the calendar directory, 
> > but I am unsure where to make changes to the code to fix the problem. 
> > Any help??
> >
> >
> > Thank You,
> > Bart Bailey
> >
> >
> >
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> >    
>
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