From: Edward Roper <eroper@wanfear.com>
To: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: "Lever, Charles" <Charles.Lever@netapp.com>,
neilb@cse.unsw.edu.au, nfs@lists.sourceforge.net
Subject: Re: close() / nfs commit performance
Date: 01 Jul 2003 12:55:55 -0700 [thread overview]
Message-ID: <1057089355.26307.11.camel@themachine.sanera.net> (raw)
In-Reply-To: <shshe67xeyd.fsf@charged.uio.no>
Alright so rerunning iozone with the flush option which calls fsync() my
new number on the 2GB file is: 16,797kB/second vs. the 4,924kB/second on
the Linux server and the 31,757kB/second on the netapp. I'm still not
understanding where the flush performance hit to the tune of
~12,000kB/second is coming from? I would assume that with nvram I would
have a greater fsync() local performance than the 16,797kB/second?
On Mon, 2003-06-30 at 17:34, Trond Myklebust wrote:
> man 2 fsync
>
> Cheers,
> Trond
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next prev parent reply other threads:[~2003-07-01 19:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-30 22:39 close() / nfs commit performance Lever, Charles
2003-06-30 23:18 ` Edward Roper
2003-07-01 0:34 ` Trond Myklebust
2003-07-01 19:40 ` Edward Roper
2003-07-06 21:30 ` Tom McNeal
2003-07-01 19:55 ` Edward Roper [this message]
2003-07-01 21:36 ` Edward Roper
-- strict thread matches above, loose matches on Subject: below --
2003-06-30 20:28 Edward Roper
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