From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Yutaka tanida <yutaka(at)nonsensecorner(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: 2Q implementaion for PostgreSQL buffer replacement. |
Date: | 2003-06-24 13:54:32 |
Message-ID: | 200306241354.h5ODsWj19025@candle.pha.pa.us |
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Thread: | |
Lists: | pgsql-hackers |
Patch removed at author's request.
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Yutaka tanida wrote:
> Hi.
>
> I implement 2Q algorithm to PostgreSQL for buffer management , instead
> of LRU.
> It's known as low overhead and high performance than LRU. If you have
> some interests , see following URL.
>
> http://www.vldb.org/conf/1994/P439.PDF
>
> In my test (pgbench -S) , it improves 4% cache hit rate and 2% up
> performance comparing from LRU.
>
> Do you have any interest about this patch?
>
> --
> Yutaka tanida <yutaka(at)nonsensecorner(dot)com>
> http://www.nonsensecorner.com/
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>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
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