| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, Gavin Sherry <swm(at)linuxworld(dot)com(dot)au>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] Bgwriter behavior |
| Date: | 2005-01-03 20:29:36 |
| Message-ID: | 9354.1104784176@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-patches |
Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> OK, we have a submitted patch that attempts to improve bgwriter by
> making bgwriter_percent control what percentage of the buffer is
> scanned.
> The patch still needs doc changes and a change to the default value but
> at this point we need a vote on the patch. Is it:
> * too late for 8.0
> * not the right improvement
> * to be applied with doc/default additions
My vote: too late for 8.0. There is no hard evidence that this is a
useful improvement, and no time for such evidence to be obtained.
regards, tom lane
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