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Date:      Sun, 09 Mar 1997 08:24:11 -0500
From:      Mike Tancsa <mike@sentex.net>
To:        Brian Tao <taob@risc.org>
Cc:        isp@FreeBSD.ORG
Subject:   Async vs sync (was Re: freebsd as a news server?)
Message-ID:  <3.0.1.32.19970309082411.00a70c90@sentex.net>
In-Reply-To: <Pine.BSF.3.95.970309015620.22711B-100000@alpha.risc.org>
References:  <199703090118.UAA10981@goof.com>

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>    My news.daily script would mount -u the spool filesystems async
>just before the fastrm phase, then sync the disks and remount them
>synchronously.  I was seeing upwards of 1000 unlinks per second on the
>async filesystem, or 40-50 times faster than a sync filesystem, IIRC.

Hi, two quick questions around this... To do what your are describing
above, are you saying add something like

sync
mount -u -o async /usr/local/newsspool
sync
mount -u -o async /usr/local/newsspool/over.view
sync
mount -u -o async /usr/local/newsspool/alt/binaries
sync
.
.
.
and so on...

/usr/local/news/bin/expire -s -v1 >>/var/log/expire.log
sync
mount -u -o sync /usr/local/newsspool
.
.
.
and so on...


Also, what is the fastrm phase ? Is this a different method than the
default used in expire to remove articles ?  We are running a 2.1.5 release
machine with innd 1.5.1

Thanks,

	---Mike
**********************************************************************
Mike Tancsa  (mike@sentex.net)           * To do is to be  -- Nietzsche
Sentex Communications Corp,              * To be is to do  -- Sartre 
Cambridge, Ontario                       * Do be do be do  -- Sinatra
(http://www.sentex.net/~mdtancsa)        *



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