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Posted to bugs@httpd.apache.org by bu...@apache.org on 2005/02/01 20:20:38 UTC
DO NOT REPLY [Bug 21425] -
AcceptEx failed [semaphore timeout period has expired]
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mikehuangsd@yahoo.com changed:
What |Removed |Added
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Severity|critical |normal
------- Additional Comments From mikehuangsd@yahoo.com 2005-02-01 20:20 -------
This is Michael again - I would like to report that this problem(s) has
resolved for me.
No more Acceptex or Sephamore timeout errors in the error log. No more random
instances of super-slow server performance.
To reiterate - this is a win 2k pro machine that ran Apache 1.3 and then 2.0.4x
just great for about 2 years. Then the sephamore and acceptex errors started
appearing in the log, and sporadically the server would slow to a crawl. The
errors in the log did not appear to coincide with the bouts of slow server
performance. Eventualy, the server was crawling many many times a day and was
almost unusable.
Upgrading apache to 2.0.52 made the server usuable again, but still struggled
with random occurances where the server would slow to a crawl for no apparent
reason and remain like that for minutes at a time, then magically fix itself.
Adding Win32DisableAcceptEx removed the error messages from the log, but did
not improve performance.
After adding the following to my conf file, the problems are now gone. Apache
is now running perfectly again:
EnableSendfile Off
enablemmap Off
I did not upgrade any hardware. I did not find any spyware or viruses or
change any settings with my virus software. The only thing I did was add the
two lines above.
I understand that these two lines are only useful for Apache installed on
Windows machines. I have little clue why the server ran super for 2 years
without these lines, why adding these lines fixed the problem, or why the above
two lines helped now - maybe my Windows 2k just got glitchy over time, or
maybe one of the microsoft patches affected some network setting somewhere.
Any apache/windows gurus want to offer some insight?
Regardless, the Apache problem is gone and I'm a happy camper again.
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