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From "William A. Rowe, Jr." <>
Subject Re: 2.0.26?
Date Thu, 30 Aug 2001 19:56:24 GMT
From: "Bill Stoddard" <>
Sent: Thursday, August 30, 2001 2:17 PM

> > Certainly converting mod_mime
> > to a hash makes the other key whiner of "we've got to get this out the door" look
> > equally foolish.  That patch ate a week of several people's lives.  I hope the
> > performance improvement proves worth it.
> Heh, heh. You already know the answer to that question.  If there are still problems
> the hash, I would vote to revert back to tables. A little performance boost is nice but
> not at the expense of reasonable simplicity.

Problems?  Of course not (anymore).  Of course nobody but Brian Pane has commented on the

optimization schema to avoid merges of all sorts without introducing conf->pool corruption.

Message-ID: <00d301c125ea$ea541b00$>
From: "William A. Rowe, Jr." <>
To: <>
Subject: Optimizing dir_merge()
Date: Wed, 15 Aug 2001 19:28:31 -0500

and it's suppliment

Message-ID: <02a601c125f3$f152a350$>
From: "William A. Rowe, Jr." <>
To: <>
References: <00d301c125ea$ea541b00$> <>
Subject: Re: Optimizing dir_merge()
Date: Wed, 15 Aug 2001 20:36:08 -0500

this schema helps any module be a good citizen in Apache performance, if we adopt these
guidelines.  The entire server should pick up a good bit.

Bill - want a fun one line patch?  Go find the expand hash fn, and change the hash
size growth from (last_element * 2 + 1) to ((last_element + 1) * 4 - 1)

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