From: Trond Myklebust <trondmy@hammerspace.com>
To: "daire@dneg.com" <daire@dneg.com>,
"chuck.lever@oracle.com" <chuck.lever@oracle.com>
Cc: "linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>,
"bfields@redhat.com" <bfields@redhat.com>
Subject: Re: [PATCH] SUNRPC: Use TCP_CORK to optimise send performance on the server
Date: Sun, 14 Feb 2021 16:24:21 +0000 [thread overview]
Message-ID: <bf0d34e25ef39dd90ade63178b829da7c0c2452f.camel@hammerspace.com> (raw)
In-Reply-To: <285652682.9476664.1613312016960.JavaMail.zimbra@dneg.com>
On Sun, 2021-02-14 at 14:13 +0000, Daire Byrne wrote:
>
> ----- On 13 Feb, 2021, at 23:30, Chuck Lever
> chuck.lever@oracle.com wrote:
>
> > > I don't have a performance system to measure the improvement
> > > accurately.
> >
> > Then let's have Daire try it out, if possible.
>
> I'm happy to test it out on one of our 2 x 40G NFS servers with 100 x
> 1G clients (but it's trickier to patch the clients too atm).
>
> Just so I'm clear, this is in addition to Chuck's "Handle TCP socket
> sends with kernel_sendpage() again" patch from bz #209439 (which I
> think is now in 5.11 rc)? Or you want to see what this patch looks
> like on it's own without that (e.g. v5.10)?
>
This patch is independent of which socket mechanism we're using: it
should work with sendmsg(), sendpage(), and even writev(). So feel free
to test whichever combination makes most sense to you.
--
Trond Myklebust
Linux NFS client maintainer, Hammerspace
trond.myklebust@hammerspace.com
next prev parent reply other threads:[~2021-02-14 16:25 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-13 20:25 [PATCH] SUNRPC: Use TCP_CORK to optimise send performance on the server trondmy
2021-02-13 21:53 ` Chuck Lever
2021-02-13 22:10 ` Trond Myklebust
2021-02-13 23:30 ` Chuck Lever
2021-02-14 14:13 ` Daire Byrne
2021-02-14 16:24 ` Trond Myklebust [this message]
2021-02-14 16:59 ` Chuck Lever
2021-02-15 14:08 ` Daire Byrne
2021-02-15 18:22 ` Chuck Lever
2021-02-14 16:21 ` Trond Myklebust
2021-02-14 17:27 ` Chuck Lever
2021-02-14 17:41 ` Trond Myklebust
2021-02-14 17:58 ` Chuck Lever
2021-02-14 18:18 ` Trond Myklebust
2021-02-14 19:43 ` Chuck Lever
2021-02-16 16:27 ` Chuck Lever
2021-02-16 17:10 ` Trond Myklebust
2021-02-16 17:12 ` Chuck Lever
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=bf0d34e25ef39dd90ade63178b829da7c0c2452f.camel@hammerspace.com \
--to=trondmy@hammerspace.com \
--cc=bfields@redhat.com \
--cc=chuck.lever@oracle.com \
--cc=daire@dneg.com \
--cc=linux-nfs@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).