From: "J. Bruce Fields" <bfields@fieldses.org>
To: Frank Steiner <fsteiner-mail1@bio.ifi.lmu.de>
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 11:40:31 -0400 [thread overview]
Message-ID: <20150722154031.GI22718@fieldses.org> (raw)
In-Reply-To: <55AFAE57.7050409@bio.ifi.lmu.de>
On Wed, Jul 22, 2015 at 04:53:11PM +0200, Frank Steiner wrote:
> 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.
No idea what's going on there.
--b.
prev parent reply other threads:[~2015-07-22 15:40 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
2015-07-22 15:40 ` J. Bruce Fields [this message]
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