| From: | "J(dot) R(dot) Nield" <jrnield(at)usol(dot)com> |
|---|---|
| To: | Curt Sampson <cjs(at)cynic(dot)net> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Michael Loftis <mloftis(at)wgops(dot)com>, mlw <markw(at)mohawksoft(dot)com>, PostgreSQL Hacker <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Index Scans become Seq Scans after VACUUM ANALYSE |
| Date: | 2002-06-23 18:15:17 |
| Message-ID: | 1024856120.3054.418.camel@localhost.localdomain |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Sun, 2002-06-23 at 12:10, Curt Sampson wrote:
>
> So what we would really need to implement, if we wanted to be more
> efficient with trusted disk subsystems, would be the option of writing
> to the log only the changed row or changed part of the row, or writing
> the entire changed page. I don't know how hard this would be....
>
We already log that stuff. The page images are in addition to the
"Logical Changes", so we could just stop logging the page images.
--
J. R. Nield
jrnield(at)usol(dot)com
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