From: Malahal Naineni <malahal@us.ibm.com>
To: Cedric Blancher <cedric.blancher@gmail.com>
Cc: Linux NFS Mailing List <linux-nfs@vger.kernel.org>
Subject: Re: Tuning Linux NFSv4 for high latency connections?
Date: Wed, 23 Apr 2014 15:24:01 -0500 [thread overview]
Message-ID: <20140423202401.GA16168@us.ibm.com> (raw)
In-Reply-To: <CALXu0UcdfrvCajbAagGLV=dP=Kk3VWeR4VS5Wna44UroxM4JAQ@mail.gmail.com>
Cedric Blancher [cedric.blancher@gmail.com] wrote:
> Are there any options to improve the Linux NFSv4 performance over a
> high latency connection?
>
> We currently use Solaris/Illumos as NFSv4 server and client over a
> cross continental Internet connection. Latency is terrible (~220ms)
> but the counter this by running work in parallel so the latency is
> mostly mitigated.
>
> We now wish to migrate (short: Away from Oracle because support is
> basically unbearable) to Linux (tested SuSE 13.1 and current Fedora)
> and build times are 17 times (!!!) SLOWER than on Solaris/Illumos.
>
> Are there any tunables besides actimeo=300?
rsize and wsize may help! You need to figure out if the read is the
issue or the write before you dig further.
Regards, Malahal.
next prev parent reply other threads:[~2014-04-23 20:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-23 18:01 Tuning Linux NFSv4 for high latency connections? Cedric Blancher
2014-04-23 20:24 ` Malahal Naineni [this message]
2014-04-23 20:30 ` Cedric Blancher
2014-04-23 20:44 ` Malahal Naineni
2014-04-23 21:04 ` Cedric Blancher
2014-04-23 21:15 ` Malahal Naineni
2014-04-23 22:14 ` Cedric Blancher
2014-04-23 22:57 ` Malahal Naineni
2014-04-24 3:12 ` Jim Rees
2014-04-24 17:22 ` Cedric Blancher
2014-04-28 5:23 ` Dean
2014-04-28 10:35 ` Jim Rees
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