[phpa] Non-phpa problem (Re: Re: MaxClients Problem)

  • From: "Nick Lindridge" <nick@xxxxxxxxxxxxxxxxxxxxx>
  • To: ho247@xxxxxxxxxxx
  • Date: Sat, 23 Feb 2002 09:32:40 -0000 (GMT)

Alan,

I'm reposting this to the list as it has general relevance.

> httpdmon has been fixed, I've now patched that.
> I don't think I can upgrade PHP as I'm using Ensim, and I'm nto yet too
> sure how upgrading with affect the&nbsp;Ensim CP. ZO... is that Zend
> Optimizer? Yes, that was what I was using before PHP Accelerator, you
> probably saw one error in there when I did a typo on the ZO filename. I
> installed PHPA on the 21 Feb, so icould you check to see if I was
> getting segfaults on the Feb 20 and before? Not too sure when that log
> file starts. Alan

You were getting a fair number of segfaults before phpa was installed, (I
counted over 50, with many on Feb 19), and installing phpa on an unstable
system can lead to further problems. The problems could have been due to php
4.0.6, or other things in your system. 

If apache crashes while phpa is doing certain operations it can lead to
locks on the shm cache not being released. phpa does include detection for
this, and I tested that fairly extensively, but there may still be cases
where the detection could be improved.  But the best thing is to not use it
on an unstable system in the first place.

I'd always recommend an upgrade to php 4.0.7RC3 from 4.0.6, and if scripts
still work with 4.1.1, then probably 4.1.1. I also recommend to check
whether the apache error log had segfault reports prior to installing phpa.

nick


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  • » [phpa] Non-phpa problem (Re: Re: MaxClients Problem)