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Date: Wed, 26 Jul 2006 22:38:12 -0400
Message-ID: <127D648662EBC4418F39069FC8BD24E12FA826@gravity.di.int>
Thread-Topic: [users@httpd] Apache 2.0.55 bringing Win2k3 to a halt
Thread-Index: AcaxIF5kZqpee9WmS0CR+9hj50UToAABNzog
From: "Nick Wilson" <nick@di.fm>
To: <users@httpd.apache.org>
Subject: RE: [users@httpd] Apache 2.0.55 bringing Win2k3 to a halt

If the hardware is relatively the same id say start by checking the
differences in the configs. What MPM are you running? Do you have
keepalives on? On a server that experiences many hits I found better
results in turning keepalives off or setting the max keepalive timeout
to <=3D5. Are you noticing anything odd in the error log such as =
crashing?
Take a look here for a few tips as well:
http://httpd.apache.org/docs/2.0/misc/perf-tuning.html

-Nick

-----Original Message-----
From: Jim Keller [mailto:jim_keller@centerfuse.net]=20
Sent: Wednesday, July 26, 2006 9:55 PM
To: users@httpd.apache.org
Subject: [users@httpd] Apache 2.0.55 bringing Win2k3 to a halt

Hey all,
    I currently added a new server running Win2k3 server standard,=20
Apache 2, and a decent set of hardware specs (2.8ghz xeon, 1GB ram). I=20
currently have two other machines running Apache 2 on the same setup=20
without any issues. In fact, they run quite reliably. However, I'm=20
having some strange issues with this newest server and was wondering if=20
someone could shed any light on the problem. Essentially, if Apache is=20
serving even a light or moderate amount of requests, the machine will=20
grind to a halt (taking minutes just to process a login, seconds to=20
respond to mouse clicks, etc) until the Apache service is stopped. I can

reproduce this behavior every time by using ab to send some (maybe 5000)

requests, and the machine stops responding, including no longer handling

HTTP requests, about halfway through the benchmark, even with a=20
concurrency of only one or two. I've tried uninstalling and reinstalling

Apache, running with a completely fresh config, and also tried using=20
version 2.0.58. I would upgrade to 2.2, but ultimately this machine=20
needs to run SunOne ASP, which does not currently support Apache 2.2.=20
However, even with SunOne completely uninstalled and with a fresh=20
httpd.conf, the slowdown issue is still present. I've tried playing with

ThreadsPerChild and MaxRequestsPerChild, but to no avail. I've also=20
tried disabling all unnecessary services on the machine, installing all=20
Windows Updates, and of course rebooting many times.

Any help would be greatly appreciated. Thanks.

-Jim Keller

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