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Posted to bugs@httpd.apache.org by bu...@apache.org on 2005/08/04 14:33:25 UTC

DO NOT REPLY [Bug 36027] New: - Apache 2.0.54 Sevear Performance Degrade

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http://issues.apache.org/bugzilla/show_bug.cgi?id=36027

           Summary: Apache 2.0.54 Sevear Performance Degrade
           Product: Apache httpd-2.0
           Version: 2.0.54
          Platform: PC
               URL: http://www.centre.biz
        OS/Version: Linux
            Status: NEW
          Severity: blocker
          Priority: P2
         Component: prefork
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: uzair@infinilogic.com
                CC: uzair@infinilogic.com


I had apache 2.0.52 with the following configuration

StartServers       16
MinSpareServers    8
MaxSpareServers    16
ServerLimit        64
MaxClients         64
MaxRequestsPerChild 8000

Compiled with PHP 4.3.11 libphp4.so. I have php scripts thats uses lots of LDAP
connections ... Every thing works perfect and optimal.

After upgrading to apache 2.0.54 I have experienced drastic performance degrade
in apache processes (prefork MPM) its now using 99.9% CPU all the time and
giving timeouts.

I have recompiled libphp4.so for apache 2.0.54 and results are same ... also
used older libphp4.so that was compiled for apache 2.0.52 (which was working
fine) but it didnt worked fine with 2.0.54.

The problem is somewhere in apache 2.0.54 when I use php based connections for
LDAP. whereas apache 2.0.52 works perfect !

Please respond this is very critical ...

Thankyou.

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