linux-kernel - Re: [PATCH v2 net-next 0/3] RDS: RDS-TCP perf enhancements

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Message-ID: <560C6F56.1040402@oracle.com>
Date:	Wed, 30 Sep 2015 16:25:10 -0700
From:	santosh shilimkar <santosh.shilimkar@...cle.com>
To:	Sowmini Varadhan <sowmini.varadhan@...cle.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	davem@...emloft.net, rds-devel@....oracle.com,
	ajaykumar.hotchandani@...cle.com, igor.maximov@...cle.com,
	sergei.shtylyov@...entembedded.com
Subject: Re: [PATCH v2 net-next 0/3] RDS: RDS-TCP perf enhancements



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 <santosh.shilimkar@...cle.com>
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