apache lagging, but for only 1 domain

hi, i'm having some performance issues on my server but i'm not sure what's causing it or how to fix it.

when the server loads and memory usage are within 'happy' levels, and the apache status is regular, one of my sites is lagging very slowly, while all of the others are loading fast as normal. the pages themselves aren't loading slow, but they are taking an abnormal amount of time to retrieve (i.e., the page will be completely blank for a few seconds, before any data is transferred, and then once it connects it will load quickly).

any ideas as to what can cause this? i'm running apache 1.3 on a cpanel centos 3.4 box, i've got mod_security, mod_dosevasive, and apf running, but disabling those didn't help the problem. any help?

thanks.

 

 

 

 

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