linux-kernel - Re: Concurrent Page Cache

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Message-ID: <45BF17E6.4070305@symas.com>
Date:	Tue, 30 Jan 2007 02:03:18 -0800
From:	Howard Chu <hyc@...as.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Concurrent Page Cache

This ladder locking is also known as lock-coupling in the database world. 
It's a good solution when you have lots of tasks and need high concurrency, 
and proven in a lot of literature. You might notice more overhead if you only 
have a small number of tasks (e.g. 2-3) but it definitely scales better than 
just holding onto one lock or a small number of locks.
-- 
   -- Howard Chu
   Chief Architect, Symas Corp.  http://www.symas.com
   Director, Highland Sun        http://highlandsun.com/hyc
   OpenLDAP Core Team            http://www.openldap.org/project/
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