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Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <168979108540.1905271.9720708849149797793.stgit@morisot.1015granger.net> References: <168979108540.1905271.9720708849149797793.stgit@morisot.1015granger.net> To: Chuck Lever Cc: dhowells@redhat.com, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, Chuck Lever Subject: Re: [PATCH v3 0/5] Send RPC-on-TCP with one sock_sendmsg() call MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <6564.1690373594.1@warthog.procyon.org.uk> Date: Wed, 26 Jul 2023 13:13:14 +0100 Message-ID: <6565.1690373594@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.10 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Chuck Lever wrote: > After some discussion with David Howells at LSF/MM 2023, we arrived > at a plan to use a single sock_sendmsg() call for transmitting an > RPC message on socket-based transports. This is an initial part of > the transition to support handling folios with file content, but it > has scalability benefits as well. > > Initial performance benchmark results show 5-10% throughput gains > with a fast link layer and a tmpfs export. I've added some other > ideas to this series for further discussion -- these have also shown > performance benefits in my testing. I like it :-) David