There's a quirk, when event #64 is triggered, it actually maps to the
same result code as 'timeout'.  Would call this a bug in the winnt mpm.



Alex Turner wrote:
> Joshua,
> 
> Thanks for you thoughts - I would have said the same thing.  I forgot to 
> mention that the max threads per child is set sufficiently high (200) to run 
> 64 threads already :-(  Plus, having max threads per child would not explain 
> why apache takes several second (over 30) to recover and why no pages were 
> served at all under that load.  It would appear than opening 64 sockets at 
> once to Apache just 'over whelms it'.
> 
> This issue is definitely more pernicious than just max threads :-((  
> 
> Thanks
> 
> AJ
> 
> 
> Alexander J Turner Ph.D.
> www.deployview.com
> www.nerds-central.blogspot.com
> www.project-network.com
> 
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Joshua Slive
> Sent: 12 September 2006 19:36
> To: users@httpd.apache.org
> Subject: TPN POSSIBLE SPAM:Re: [EMAIL PROTECTED] Windows max threads
> 
>> I am load testing apache 2.2.3 on windows XP.  If I attempt to open 64 or 
>> more sockets, it stops serving for a time then recovers.  I know this is not 
>> that the OS is running out of sockets etc because TAG.net handle 256 sockets 
>> simultaneously without any trouble.
>>
> 
> You probably need to raise ThreadsPerChild:
> http://httpd.apache.org/docs/2.2/mod/mpm_common.html#threadsperchild
> 
> Unlike the unix version, apache httpd for windows does not dynamically
> adjust to load.  You need to specify in advance (using
> ThreadsPerChild) how many clients will be served.
> 
> Joshua.
> 
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