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Date:      Thu, 19 Feb 2004 10:39:02 -0500
From:      Mike Tancsa <mike@sentex.net>
To:        Mike Silbersack <silby@silby.com>
Cc:        freebsd-performance@freebsd.org
Subject:   Re: Tuning for large outbound smtp queues 
Message-ID:  <6.0.3.0.0.20040219103403.0919ba80@209.112.4.2>
In-Reply-To: <6.0.3.0.0.20040219090819.07d89c60@209.112.4.2>
References:  <20040219005922.X28073@odysseus.silby.com> <6.0.3.0.0.20040219090819.07d89c60@209.112.4.2>

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Actually, do you still need to newfs the partition afterwards to take 
advantage of  UFS_DIRHASH   ? I seem to recall a long time ago this was the 
case.

         ---Mike

At 09:10 AM 19/02/2004, Mike Tancsa wrote:

>Thanks!  Actually I thought I was as that is in GENERIC
>
>
>smtp3# grep -i hash /usr/src/sys/i386/conf/GENERIC
>options         UFS_DIRHASH             #Improve performance on big 
>directories
>smtp3#
>
>But it was not in my kernel.  Recompiling now!
>
>         ---Mike
>
>At 02:00 AM 19/02/2004, Mike Silbersack wrote:
>
>>Mike, are you running UFS_DIRHASH on the machine in question?  If not,
>>that should help performance with large directories *greatly*.  I know
>>it's on by default in 5.x, but I'm not sure about 4.x.
>>
>>Mike "Silby" Silbersack



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