netdev - Re: Extensible hashing and RCU

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Message-ID: <20070217131302.GA22732@2ka.mipt.ru>
Date:	Sat, 17 Feb 2007 16:13:02 +0300
From:	Evgeniy Polyakov <johnpol@....mipt.ru>
To:	akepner@....com
Cc:	linux@...izon.com, davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: Extensible hashing and RCU

On Mon, Feb 05, 2007 at 10:02:53AM -0800, akepner@....com (akepner@....com) wrote:
> On Sat, 4 Feb 2007 linux@...izon.com wrote:
> 
> >I noticed in an LCA talk mention that apprently extensible hashing
> >with RCU access is an unsolved problem.  Here's an idea for solving it.
> >....
> 
> Yes, I have been playing around with the same idea for
> doing dynamic resizing of the TCP hashtable.
> 
> Did a prototype "toy" implementation, and I have a
> "half-finished" patch which resizes the TCP hashtable
> at runtime. Hmmm, your mail may be the impetus to get
> me to finally finish this thing....

Why anyone do not want to use trie - for socket-like loads it has
exactly constant search/insert/delete time and scales as hell.

> -- 
> Arthur
> 
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-- 
	Evgeniy Polyakov
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