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From Colm MacCarthaigh <>
Subject Re: [users@httpd] RSS of Apache Processes
Date Fri, 11 Jan 2008 02:25:39 GMT
On Thu, Jan 10, 2008 at 08:18:54PM -0600, Graham Frank wrote:
> We actually have the MaxRequestsPerChild set to 1000 and KeepAlive off.

That means the leak is more than 100KB per request on average, although
it could be one very bad leak :/

> Know of any way that we could find the leak considering the vastness of all
> the possibilities?

Unfortunately this isn't so simple, it requires actually debugging the
code. You can use a tracer or debugger attached to one of the children
to try and determine which requests trigger the leak. Another less
involved way might be to replay the access log against another instance
of apache, line by line (or perform a binary search, splitting the
requests in half progressively) and checking the RSS each time.

Colm MacCárthaigh                        Public Key:

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