From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: "J. Bruce Fields" <bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
Cc: Tom Talpey <tom-CLs1Zie5N5HQT0dZR+AlfA@public.gmane.org>,
Jeff Layton <jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
trond.myklebust-7I+n7zu2hftEKMMhf/gKZA@public.gmane.org,
schumaker.anna-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Chuck Lever <chuck.lever-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 1/4] sunrpc: flag transports as using IETF approved congestion control protocols
Date: Thu, 23 Feb 2017 13:26:09 -0700 [thread overview]
Message-ID: <20170223202609.GC26301@obsidianresearch.com> (raw)
In-Reply-To: <20170223201109.GC11882-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
On Thu, Feb 23, 2017 at 03:11:09PM -0500, J. Bruce Fields wrote:
> (And if we really shouldn't be doing NFSv4 over some RDMA transports--is
> it worth supporting them at all, if the only support we can get is
> NFSv3-only?)
This seems like a strange comment - NFSv4 should be supported on all
RDMA transports, surely?
Largely RDMA lives in its own congestion management world. If a site
is running RDMA they have done something to mitigate interactions with
TCP style congestion control on the same wire.
Jason
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next prev parent reply other threads:[~2017-02-23 20:26 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20170223170337.10686-1-jlayton@redhat.com>
[not found] ` <20170223170337.10686-2-jlayton@redhat.com>
[not found] ` <2152dfdf-f847-2511-1600-6499b6ea9708@talpey.com>
[not found] ` <2152dfdf-f847-2511-1600-6499b6ea9708-CLs1Zie5N5HQT0dZR+AlfA@public.gmane.org>
2017-02-23 20:00 ` [PATCH 1/4] sunrpc: flag transports as using IETF approved congestion control protocols Jeff Layton
[not found] ` <1487880034.3448.8.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-02-23 20:06 ` Tom Talpey
[not found] ` <65056db6-f30a-c44d-b01c-b549887c4895-CLs1Zie5N5HQT0dZR+AlfA@public.gmane.org>
2017-02-23 20:11 ` J. Bruce Fields
[not found] ` <20170223201109.GC11882-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2017-02-23 20:26 ` Jason Gunthorpe [this message]
[not found] ` <20170223202609.GC26301-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-23 20:33 ` Tom Talpey
[not found] ` <18ef37c3-95db-9a2c-dbcb-f579672065d6-CLs1Zie5N5HQT0dZR+AlfA@public.gmane.org>
2017-02-23 20:55 ` Jason Gunthorpe
[not found] ` <20170223205502.GA29673-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-02-24 15:08 ` Tom Talpey
[not found] ` <4eb1da3d-2690-7647-2d85-cc574bc1d564-CLs1Zie5N5HQT0dZR+AlfA@public.gmane.org>
2017-02-24 17:17 ` Jeff Layton
[not found] ` <1487956644.3314.4.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-02-24 18:03 ` Jason Gunthorpe
2017-02-23 20:32 ` Jeff Layton
2017-02-23 20:17 ` Chuck Lever
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