[CentOS] Debugging slow apache server?

Tue Apr 20 12:50:38 UTC 2010
John Doe <jdmls at yahoo.com>

From: Roland RoLaNd <r_o_l_a_n_d at hotmail.com>
> i'm using an apache server to host 8 virtual hosts.
> 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..
> though the 8th (which is a completely different site) it opens fairly fast in around 1 or 2 seconds tops..
> 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 ?

Do you have any link to the outside in your slow pages?
On the client side, you could try yslow...