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From: Helge Hafting <helgehaf@idb.hist.no>
To: Ivan Schreter <is@zapwerk.com>, linux-kernel@vger.kernel.org
Subject: Re: Buffer management - interesting idea
Date: Fri, 15 Jun 2001 11:07:20 +0200	[thread overview]
Message-ID: <3B29D048.4E19D545@idb.hist.no> (raw)
In-Reply-To: <01060613422800.07218@linux>

Ivan Schreter wrote:
> 
> Hello,
> 
> I'm working on some hi-speed DB projects under Linux and I was researching
> various buffer-replacement algorithms. I found 2Q buffer replacement policy at
> 
>         http://citeseer.nj.nec.com/63909.html
> 
> Maybe it would be interesting to use it instead of LRU for disk buffer
> replacement. Seems relatively easy to implement and costs are about the same as
> for LRU.

The "resistance to scanning" seemed interesting, maybe one-time
activities like a "find" run or big cat/dd will have less impact with
this.


Helge Hafting

  reply	other threads:[~2001-06-15  9:09 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-06-06 11:39 Buffer management - interesting idea Ivan Schreter
2001-06-15  9:07 ` Helge Hafting [this message]
2001-06-15  9:41   ` Ivan Schreter
     [not found]     ` <Pine.LNX.4.33.0106151219430.9557-100000@pianoman.cluster.toy>
2001-06-15 17:05       ` Ivan Schreter
2001-06-15 18:50         ` Rik van Riel
2001-06-15 23:51           ` Ivan Schreter
2001-06-16 18:35   ` Jeremy Fitzhardinge

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