From owner-freebsd-hackers  Sat Jun  9 12:17:15 2001
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Date: Sat, 9 Jun 2001 12:17:09 -0700 (PDT)
From: Matt Dillon <dillon@earth.backplane.com>
Message-Id: <200106091917.f59JH9c08727@earth.backplane.com>
To: Ian Dowse <iedowse@maths.tcd.ie>
Cc: tlambert2@mindspring.com, freebsd-hackers@FreeBSD.ORG
Subject: Re: UFS large directory performance 
References:  <200106081115.aa43142@salmon.maths.tcd.ie>
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:leaving the dirhash structure attached to the inode when its hash
:array is freed.
:
:An updated patch is available at
:
:	http://www.maths.tcd.ie/~iedowse/FreeBSD/dirhash.diff3
:
:I haven't had a chance to do more than a minimal amount of testing,
:so there may be many issues remaining.
:
:Ian

    I'll have a chance to do some testing tonight now that I have the
    swap-full fixes rolling down the hill.   The two-level approach
    looks a lot cleaner - we should be able to solve whatever
    performance/load/scaleability issues arise with it.

						-Matt

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