[CentOS] Debugging slow apache server?

[Fernando Gleiser]

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>From: Rob Kampen <rkampen at kampensonline.com>
>To: CentOS mailing list <centos at centos.org>
>Sent: Tue, April 20, 2010 9:59:57 AM
>Subject: Re: [CentOS] Debugging slow apache server?
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>On Apr 20, 2010, at 8:28 AM, Roland RoLaNd <r_o_l_a_n_d at hotmail.com> wrote:
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>>>hello,
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>>i'm using an apache server to host 8 virtual hosts.
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>>even though this server is local.. 7 out of these 8 virtual hosts open extremly slow..
>>it takes around 10 seconds to open a page..
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>>though the 8th (which is a completely different site) it opens fairly fast in around 1 or 2 seconds tops..
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>>i tried tailing the error_log and i found nothing ..
>>is there a way i could monitor wht each branch is doing and what's causing it to be so slow?
>>any suggestion ?
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>>
>>Check DNS resolution for all the domains
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+1 

Most "unexplained" delays and bizarre problems in network services can be traced back to broken DNS stuff


Fer