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From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Shehjar Tikoo <shehjart-YbfuJp6tym7X/JP9YwkgDA@public.gmane.org>
Cc: linux-nfs@vger.kernel.org
Subject: Re: Server bottleneck(?) due to large record write() buffer size from client app
Date: Thu, 21 Aug 2008 12:20:17 -0700	[thread overview]
Message-ID: <1219346417.7052.36.camel@localhost> (raw)
In-Reply-To: <48ACCD61.60504-YbfuJp6tym7X/JP9YwkgDA@public.gmane.org>

On Thu, 2008-08-21 at 12:05 +1000, Shehjar Tikoo wrote:
> By changing pdflush settings on the client, I'd be changing the
> settings for the whole system. Is there a proc FS entry or any other 
> config param that lets me lower the number of write requests buffered
> at client before the commit request is sent?

Write buffering is not something which is under the control of the NFS
filesystem: it is entirely managed by the VM. The filesystem only
enforces the close-to-open cache consistency requirements, which of
course are specific to NFS.

Trond


  parent reply	other threads:[~2008-08-21 19:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-20  4:14 Server bottleneck(?) due to large record write() buffer size from client app Shehjar Tikoo
     [not found] ` <48AB9A2F.1050005-YbfuJp6tym7X/JP9YwkgDA@public.gmane.org>
2008-08-20 19:15   ` Trond Myklebust
2008-08-21  2:05     ` Shehjar Tikoo
     [not found]       ` <48ACCD61.60504-YbfuJp6tym7X/JP9YwkgDA@public.gmane.org>
2008-08-21 19:20         ` Trond Myklebust [this message]
2008-08-22  0:48           ` Shehjar Tikoo

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