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From Mark Montague <>
Subject Re: [users@httpd] Consequences of https to https rewrites?
Date Thu, 10 Nov 2011 20:42:35 GMT
On November 10, 2011 15:38 , Nick Tkach <> wrote:
>>> Second, we've seen that at least sometimes that seems to generate a
>>> big spike in CPU usage "all of a sudden" once it goes live.
>> What seems to generate a big spike in CPU usage?  When what goes live?
> When the Apache HTTPD process gets started with a rewrite like that I
> meant.  I think that was unrelated though.

I agree that it is probably unrelated.  Have you done measurements 
regarding CPU usage at startup time with mod_rewrite enabled and such a 
rule versus mod_rewrite disabled?  That would (presumably) eliminate 
mod_rewrite as a cause of the problem you're seeing.

   Mark Montague

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