From: Benny Halevy <bhalevy@panasas.com>
To: Jim Rees <rees@umich.edu>
Cc: Garth Gibson <garth@cs.cmu.edu>,
linux-nfs@vger.kernel.org, Andrew Klaassen <clawsoon@yahoo.com>
Subject: Re: Prioritizing readdirplus/getattr/lookup
Date: Tue, 05 Apr 2011 12:46:11 -0700 [thread overview]
Message-ID: <4D9B7183.7000301@panasas.com> (raw)
In-Reply-To: <20110405193425.GA4263@merit.edu>
On 2011-04-05 12:34, Jim Rees wrote:
> Benny Halevy wrote:
>
> At any rate, the broader issue is that the posix system call API assumes a
> local file system and is not network not cluster file-system aware.
>
> It would be interesting to see someone who is affected by this implement the
> readdirplus system call, modify ls to use it, and report the results. I
> suspect the system call won't go anywhere in linux without some evidence
> that it solves a real problem for real users.
How hard would it be to implement a micro-benchmark with pynfs to
compare performance of readdir + stats vs. readdirplus as a first cut
estimate of the benefits?
Benny
next prev parent reply other threads:[~2011-04-05 19:46 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-04 13:31 Prioritizing readdirplus/getattr/lookup Andrew Klaassen
[not found] ` <802792.85762.qm-GjowA9KT+PL5nGHA2nhOEg9VFclH1bkmQQ4Iyu8u01E@public.gmane.org>
2011-04-04 16:22 ` Steven Procter
2011-04-04 16:45 ` Andrew Klaassen
2011-04-04 22:10 ` Andrew Klaassen
2011-04-04 23:05 ` Jim Rees
2011-04-05 0:26 ` Benny Halevy
2011-04-05 0:39 ` Jim Rees
[not found] ` <20110405003944.GA31014-8f4Pc2RrbJmHXe+LvDLADg@public.gmane.org>
2011-04-05 13:30 ` Benny Halevy
2011-04-05 17:14 ` Garth Gibson
2011-04-05 19:11 ` Benny Halevy
2011-04-05 19:34 ` Jim Rees
2011-04-05 19:46 ` Benny Halevy [this message]
2011-04-06 0:06 ` Andrew Klaassen
2011-04-06 19:25 ` Andrew Klaassen
2011-04-07 14:00 ` Chuck Lever
2011-04-07 14:34 ` Andrew Klaassen
2011-04-07 14:36 ` Chuck Lever
2011-04-07 21:25 ` Andrew Klaassen
2011-04-07 21:49 ` Andrew Klaassen
2011-04-07 22:48 ` Murata, Dennis
2011-04-08 1:22 ` Andrew Klaassen
2011-04-08 15:17 ` Chuck Lever
2011-04-11 13:31 ` Andrew Klaassen
2011-04-05 19:48 ` Trond Myklebust
2011-04-05 19:52 ` Benny Halevy
2011-04-05 19:57 ` Trond Myklebust
2011-04-05 20:57 ` Benny Halevy
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