netdev - Re: SO_REUSEPORT - can it be done in kernel?

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Message-ID: <AANLkTinNost8Swh2fhQh8UXVdPTW_bToS7LXmyuwqNNQ@mail.gmail.com>
Date:	Fri, 25 Feb 2011 11:51:13 -0800
From:	Tom Herbert <therbert@...gle.com>
To:	Tom Herbert <therbert@...gle.com>,
	Bill Sommerfeld <wsommerfeld@...gle.com>,
	Daniel Baluta <daniel.baluta@...il.com>, netdev@...r.kernel.org
Cc:	Thomas Graf <tgraf@...radead.org>
Subject: Re: SO_REUSEPORT - can it be done in kernel?

> Using your SO_REUSEPORT patch and a modified bind using it. The same
> system is able to deliver ~650K queries per seconds while maxing out
> all cores completely.
>
Nice data point.

> Tom, Bill: do you have a timeline for merging this? Especially the
> UDP bits?
>
Bill has been working on the TCP implementation which is requiring
some fairly major surgery on the listener connections in syn-rcvd
state, this is ongoing.

On the UDP side, I believe the patch is functional, but as Eric
pointed out it probably could be further optimized.  I'll split out
the UDP bits into a separate patch and post that...

Tom

> -Thomas
>
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