Re: Wheezy "NFSv4 callback reply buffer overflowed"

From	Javier Barroso <javibarroso@gmail.com>
Newsgroups	linux.debian.user
Subject	Re: Wheezy "NFSv4 callback reply buffer overflowed"
Date	2015-08-30 13:40 +0200
Message-ID	<q397P-7L9-17@gated-at.bofh.it> (permalink)
References	<q28xb-1H3-23@gated-at.bofh.it> <q29MC-3F0-29@gated-at.bofh.it> <q2h7s-5DA-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hello,

On Fri, Aug 28, 2015 at 3:42 AM, Rainer Stumbaum
<rainer.stumbaum@boerse-go.de> wrote:
> Hi Javier,
>
> nfs.v4.read_delegation       on         (value might be overwritten in
> takeover)
>
> nfs.v4.write_delegation      off        (value might be overwritten in
> takeover)
>
>
> Did you try disabling nfs.v4.read_delegation?
>
> No, since we only recently changed from NFSv3 to NFSv4 and with v3 were
> using mount option nocto on 99% of the mounts for performance. We have
> currently no idea what implications we would have if we turn off read
> delegation.
> Is there any way to estimate/measure the performance improvements achieved
> by using read delegation as in our current setup?
I have no idea, I'm suggesting such solution because that is the
response on Redhat customer portal  (I'm not sure what could I post
from that response, I have a account there))
(https://access.redhat.com/solutions/728943)

>
> From looking through the source the message seems to be just a warning,
> right?

Yes, it seems like a warning, so maybe you can ignore it

Regards,

Thread

Re: Wheezy "NFSv4 callback reply buffer overflowed" Rainer Stumbaum <rainer.stumbaum@boerse-go.de> - 2015-08-27 18:50 +0200
  Re: Wheezy "NFSv4 callback reply buffer overflowed" Javier Barroso <javibarroso@gmail.com> - 2015-08-27 20:10 +0200
    Re: Wheezy "NFSv4 callback reply buffer overflowed" Rainer Stumbaum <rainer.stumbaum@boerse-go.de> - 2015-08-28 04:00 +0200
      Re: Wheezy "NFSv4 callback reply buffer overflowed" Javier Barroso <javibarroso@gmail.com> - 2015-08-30 13:40 +0200
        AW: Wheezy "NFSv4 callback reply buffer overflowed" Rainer Stumbaum <rainer.stumbaum@boerse-go.de> - 2015-08-31 11:30 +0200

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