[CentOS] Apache Issue on CentOS 6

Mustafa DEMİRCİ mustafa.demirci at ytb.gov.tr
Sat Apr 6 18:44:56 UTC 2013


Did you check mpm settings of httpd-mpm.conf ?

default response client value for 2.2... versions  is 150 and 2 
proccessor for simultaneously response ....

applying httpd-mpm.conf in httpd.conf and changing  mpm thread settings 
will help you...


On 04/06/2013 10:06 AM, linuxsupport wrote:
> I have already checked but all requests are from different IP's and even
> different subnet
> When there are less requests it works ok even if there are more than 60%
> reading requests but during peak time when concurrent requests goes beyond
> 150, due to reading requests it becomes 300+ requests processing at the
> same time and that then Apache stop responding as maxclient is set to 300.
> CPU load also goes up and thing become very slow.
>
>
> On Sat, Apr 6, 2013 at 10:33 AM, Banyan He <banyan at rootong.com> wrote:
>
>> I'd recommend you to sort out the connections. Find out if they are coming
>> from the same client or the same subnet of the clients. Doing a simple
>> tcpdump capture to analyze the data seeing if it's a good R or a bad R.
>>
>> Don't really think it's because of the version.
>>
>> ------------
>> Banyan He
>> Blog: http://www.rootong.com
>> Email: banyan at rootong.com
>>
>>
>> On 4/6/2013 12:24 PM, linuxsupport wrote:
>>
>>> I am facing a problem with Apache on CentOS 6
>>>
>>> Apache 2.2.19 is complied from source.
>>>
>>> I see so many reading requests in Apache status page, as per my previous
>>> experience this "reading request" issue mainly comes when any of the
>>> internet route having any problem and it request takes time to completely
>>> reach to Apache, but this time there is no network issue.
>>>
>>> I have ran same setup on CentOS 5 it works well, but on CentOS 6 it show
>>> 60%+ reading requests, web site has 20-25 requests per second that becomes
>>> 80+
>>>
>>> I also tried to upgrade Apache to 2.2.24 but it is same on new version as
>>> well.
>>>
>>> Anyone else has experienced this issue?
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>>> CentOS at centos.org
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>>>
>>>
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