| From: | "J(dot) R(dot) Nield" <jrnield(at)usol(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | "Matthew T(dot) O'Connor" <matthew(at)zeut(dot)net>, PostgreSQL Hacker <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Vacuum Daemon |
| Date: | 2002-06-30 01:09:51 |
| Message-ID: | 1025399396.2514.7.camel@localhost.localdomain |
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| Thread: | |
| Lists: | pgsql-hackers |
On Sat, 2002-06-29 at 20:14, Tom Lane wrote:
> "Matthew T. O'Connor" <matthew(at)zeut(dot)net> writes:
> > Second: There was some discussion
> > (http://archives.postgresql.org/pgsql-hackers/2002-05/msg00970.php) about
> > this not being neede once UNDO is on place, what is the current view on this?
>
> I do not think that is the case; and anyway we've pretty much rejected
> Vadim's notion of going to an Oracle-style UNDO buffer. I don't foresee
> VACUUM going away anytime soon --- what we need is to make it less
> obtrusive. 7.2 made some progress in that direction, but we need more.
>
Could someone point me to this discussion, or summarize what the problem
was? Was his proposal to keep tuple versions in the UNDO AM, or only
pointers to them?
The referred-to message seems to be about something else.
;jrnield
--
J. R. Nield
jrnield(at)usol(dot)com
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