From mboxrd@z Thu Jan 1 00:00:00 1970 From: santosh shilimkar Subject: Re: [PATCH v2 net-next 0/3] RDS: RDS-TCP perf enhancements Date: Wed, 30 Sep 2015 16:25:10 -0700 Message-ID: <560C6F56.1040402@oracle.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Cc: davem@davemloft.net, rds-devel@oss.oracle.com, ajaykumar.hotchandani@oracle.com, igor.maximov@oracle.com, sergei.shtylyov@cogentembedded.com To: Sowmini Varadhan , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On 9/30/2015 1:54 PM, Sowmini Varadhan wrote: > A 3-part patchset that (a) improves current RDS-TCP perf > by 2X-3X and (b) refactors earlier robustness code for > better observability/scaling. > > Patch 1 is an enhancment of earlier robustness fixes > that had used separate sockets for client and server endpoints to > resolve race conditions. It is possible to have an equivalent > solution that does not use 2 sockets. The benefit of a > single socket solution is that it results in more predictable > and observable behavior for the underlying TCP pipe of an > RDS connection > > Patches 2 and 3 are simple, straightforward perf bug fixes > that align the RDS TCP socket with other parts of the kernel stack. > > v2: fix kbuild-test-robot warnings, comments from Sergei Shtylov > and Santosh Shilimkar. > Acked-by: Santosh Shilimkar