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Re: repos corruption revisited: memory leak?

From: John Peacock <jpeacock_at_rowman.com>
Date: 2003-10-23 17:01:01 CEST

Ben Collins-Sussman wrote:

>
> So I'm completely at a loss to to understand why you're seeing these
> huge httpd memory sizes. The only difference is that your apache is
> running on win32, and mine on Linux.

If I might remind you of his original reports (from earlier this month):

>>How much swap do you have configured for each machine?
>
> 1 GB on the P4 128 MB RAM box.
>
> 460 MB on the old 144MB RAM machine (tried more once, but
> slowed down overall operation).
>

He is running on dangerously low physical RAM machines. Windows (as a rule)
does not gracefully handle low memory situations. The swap on Windows is not
employed in quite the same fashion as the swap on *nix boxen (meaning that
frequently more swap is slower than less). Between the Berkeley DLL's and
Apache itself, I suspect he has virtually no free RAM available. If he
configured Apache to start fewer child processes, he might be in better shape.

I think he is simply swapping himself to death and triggering edge conditions in
Berkeley because of it.

John

-- 
John Peacock
Director of Information Research and Technology
Rowman & Littlefield Publishing Group
4501 Forbes Boulevard
Suite H
Lanham, MD  20706
301-459-3366 x.5010
fax 301-429-5748
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Received on Thu Oct 23 17:01:37 2003

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