Re: High load apache

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what this modules do?

On Wed, Sep 8, 2010 at 1:30 PM, Paras pradhan <pradhanparas@xxxxxxxxx> wrote:
> They are loaded:
> LoadModule expires_module modules/mod_expires.so
> LoadModule deflate_module modules/mod_deflate.so
>
> Thanks
> Paras.
> On Wed, Sep 8, 2010 at 3:05 PM, "Fábio Jr." <fjuniorlista@xxxxxxxxx> wrote:
>>
>> Hi,
>>
>> Try to enable mod_expires and mod_deflate to see if there is some
>> significant boost in the performance.
>>
>> []s.
>>
>> Fábio jr.
>>
>> Em 08-09-2010 16:42, Paras pradhan escreveu:
>>>
>>> Hi,
>>>
>>> Looking for recommendations.
>>>
>>> I need to serve 100-200+ concurrent users to provide php based webmail
>>> client (horde). I have setup memcached and php-fastcgid for this purpose.
>>> The server has four 2.2G AMD optereon cores with 8GB of memory. I am doing
>>> stress test using ab as: ab -t 36000 -c 100 https://url/h/imp/login.php.
>>> What I have noticed if the number of concurrent users are more than around
>>> 25, I get the sluggish performance and I can see linux load rising high to
>>> 25 to 30 and all the cpu cores are approximately 75% used.
>>>
>>> This is what I have in config files:
>>>
>>> mpm worker:
>>> --
>>> <IfModule worker.c>
>>> StartServers         15
>>> MaxClients         960
>>> MinSpareThreads     75
>>> MaxSpareThreads     150
>>> ThreadsPerChild     64
>>> MaxRequestsPerChild  5000
>>> --
>>>
>>> memcached: 4GB
>>>
>>> ---
>>>
>>> fcgid:
>>>
>>> <IfModule !mod_fastcgi.c>
>>>  AddHandler fcgid-script .fcgi
>>>  MaxRequestsPerProcess 10000
>>>  MaxProcessCount       100
>>>  IPCCommTimeout        240
>>>  IdleTimeout           240
>>>  ProcessLifeTime 300
>>>  BusyTimeout 300
>>>  DefaultMaxClassProcessCount 100
>>>  DefaultMinClassProcessCount 50
>>>
>>> </IfModule>
>>> ---
>>>
>>> php-fcgid:
>>>
>>> # Number of PHP childs that will be launched. Leave undefined to let PHP
>>> decide.
>>> #    DefaultInitEnv PHP_FCGI_CHILDREN 4
>>> # Maximum requests before a process is stopped and a new one is launched
>>>    DefaultInitEnv PHP_FCGI_MAX_REQUESTS 10000
>>> ----
>>> OS: RHEL 5.5
>>> Apache: 2.2.3
>>> PHP: 5.1
>>> Mysql: 5.0
>>>
>>>
>>> Will appreciate for any inputs.
>>>
>>> Thanks!
>>> Paras.
>>>
>>
>>
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