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From Daryl Lackey <daryllac...@gmail.com>
Subject [users@httpd] Apache zlib1.dll Crasahing Every 3-5 Minutes
Date Mon, 25 Aug 2014 23:13:36 GMT
We migrated from an old older server which was about 8 years old (dual
core, 8GB Ram) to a new one (dual-hex core, 16GB Ram). The pages were
actually being rendered consistently on the old in about 3-5 seconds - not
bad for an 8 year old server. The new server can deliver the same page in
about 20-30 seconds, on average (this is not a typo). WTH!?!

We are running ColdFusion 9 on Apache 2.2.25 on Windows Server 2008 R2 and
MySQL 5.0.51b-community-nt via TCP/IP. Every since the initial install of
Apache 2.2.25, I've had the following error showing up in my Windows
Application Log (event viewer) about every 30 seconds:

Faulting application name: httpd.exe, version: 2.2.25.0, time stamp:
0x51dd049c
Faulting module name: zlib1.dll, version: 1.2.3.0, time stamp: 0x4790446a
Exception code: 0xc0000005
Fault offset: 0x00002bad
Faulting process id: 0x5c4
Faulting application start time: 0x01cfc0b334866d83
Faulting application path: C:\Apache2\bin\httpd.exe
Faulting module path: C:\Apache2\bin\zlib1.dll
Report Id: 80c47e28-2ca6-11e4-8599-002590f28d7e


I've replaced the zlib1.dll with the version from Apache 2.2.8 and the
crashes now only happen every 3-5 minutes like clock work. I believe this
is contributing to my pages taking so long to display (20-30 seconds per
page) but this is only a guess. Google tells me this file is related to
file compression. This makes sense if the web page data isn't being
compressed why it might take 20-30 seconds to render a page. Now, when
things are running well, a page will be displayed in the 2-3 second time
frame which is our goal.

I'm considering installing Apache 2.2.8 since that was working so well on
the old server. Before I do this though, any other suggestions or settings
to check out?

Any advice would be appreciated.

Thanks,
Daryl

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