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WIP: bufmgr rewrite per recent discussions

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: pgsql-patches(at)postgreSQL(dot)org
Subject: WIP: bufmgr rewrite per recent discussions
Date: 2005-02-15 21:39:10
Message-ID: 17622.1108503550@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-patches
I don't feel this is quite ready to commit, but here it is if anyone
would like to try some performance testing.  Using "pgbench -s 10"
on a single-CPU machine, I find this code a little slower than CVS tip
at shared_buffers = 1000, but noticeably faster (~10% speedup) at
10000 buffers.  So it's not a dead loss for single-CPU anyway.  What
we need now is some performance measurements on multi-CPU boxes.

The bgwriter algorithm probably needs more work, maybe some more GUC
parameters.

			regards, tom lane

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Next:From: Mark Cave-AylandDate: 2005-02-16 09:52:38
Subject: Re: WIP: bufmgr rewrite per recent discussions
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Subject: Re: Shared dependency patch

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