From: Frank Steiner <fsteiner-mail1@bio.ifi.lmu.de>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: linux-nfs@vger.kernel.org
Subject: Re: Parallel file locking quite slow with vers=4.0 compared to vers=3
Date: Wed, 22 Jul 2015 16:53:11 +0200 [thread overview]
Message-ID: <55AFAE57.7050409@bio.ifi.lmu.de> (raw)
In-Reply-To: <55AFAD60.7040607@bio.ifi.lmu.de>
Frank Steiner wrote
> Thanks! I tried your patch and it goes way faster. The last 2 or 3
> of 20 xterms that I start in parallel still take about 1-3 seconds,
> but the rest is poping up immediately. NFS3 is still better as it
The difference is still quite large when killing the xterms again.
"killall xterm" on NFSv3 takes half a second, on NFSv4 the last
about 5 xterms are delayed and vanish one after another, the last one
about 5-6 seconds after the killall was started.
cu,
Frank
--
Dipl.-Inform. Frank Steiner Web: http://www.bio.ifi.lmu.de/~steiner/
Lehrstuhl f. Bioinformatik Mail: http://www.bio.ifi.lmu.de/~steiner/m/
LMU, Amalienstr. 17 Phone: +49 89 2180-4049
80333 Muenchen, Germany Fax: +49 89 2180-99-4049
* Rekursion kann man erst verstehen, wenn man Rekursion verstanden hat. *
next prev parent reply other threads:[~2015-07-22 14:53 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-20 14:02 Parallel file locking quite slow with vers=4.0 compared to vers=3 Frank Steiner
2015-07-20 21:23 ` J. Bruce Fields
2015-07-21 6:44 ` Frank Steiner
2015-07-21 15:51 ` J. Bruce Fields
2015-07-22 14:49 ` Frank Steiner
2015-07-22 14:53 ` Frank Steiner [this message]
2015-07-22 15:40 ` J. Bruce Fields
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