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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 21425] - AcceptEx failed [semaphore timeout period has expired]
Date Tue, 01 Feb 2005 19:20:38 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=21425


mikehuangsd@yahoo.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           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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