Re: [users@httpd] weird httpd processes

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   thank you - i'll be monitoring i guess - so far all the php scripts  
modified in the last 2 weeks seem to be fine... i tried most of them...



> Hi,
>
> This looks like a script that is running out of control.  We've had
> similar
> things here, except that our problem was the script writer failed to close
> the mysql connections.  The user was waiting for data which never came,
> hit
> cancel, then tried again.  The scripts used pconnect calls.  This brought
> a
> 30,000 Euro server to its knees several times by eating all the available
> sockets, at least until we found out what the problem was.
>
> In your case, set the max execution time for scripts to something short
> like
> 10 seconds.  Consider also disabling ini_set because we also had problems
> with users playing with our settings and stressing our server.  Be sure
> that
> all uri includes are disabled too (XSS attack problems).
>
> To find the exact script is difficult.  Something to note is your CPU
> usage
> has 65% system.  Look for scripts that were uploaded around the times your
> server started having problems, then try to run them is one possibility to
> find out what's happening.  Look in the databases for connections that are
> open and idle.  Also, if your server comes down off its high load, look in
> the apache log files to see which scripts just completed.  Unfortunately
> apache writes to the logs only after the script or data has been
> (un)successfully sent.
>
> Markus
>
>
>
> On Tuesday 07 June 2005 19:02, kalin mintchev wrote:
>> hi all...
>>
>> for the last 4 - 5 days i noticed something weird on one of the freebsd
>> boxes here. one httpd process -or sometimes 2 or 3 - take up all the
>> cpu.
>> and it looks like this:
> 8<---
>
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