Re: New VACUUM FULL
Robert Haas <robertmhaas@gmail.com>
From: Robert Haas <robertmhaas@gmail.com>
To: Simon Riggs <simon@2ndquadrant.com>
Cc: Takahiro Itagaki <itagaki.takahiro@oss.ntt.co.jp>, Tom Lane <tgl@sss.pgh.pa.us>, Jeff Davis <pgsql@j-davis.com>, Alvaro Herrera <alvherre@commandprompt.com>, pgsql-hackers@postgresql.org
Date: 2009-12-28T16:35:24Z
Lists: pgsql-hackers
On Tue, Dec 22, 2009 at 7:29 AM, Simon Riggs <simon@2ndquadrant.com> wrote: > On Tue, 2009-12-22 at 19:45 +0900, Takahiro Itagaki wrote: > >> I used "VACUUM FULL" because we were discussing to drop VFI completely, >> but I won't replace the behavior if hot-standby can support VFI. > > HS can't support VFI now, by definition. We agreed to spend the time > getting rid of VFI, which working on this with you is part of. > > If we can just skip the index rebuild, I think that's all the additional > code changes we need. I'll improve the docs as I review-to-commit. So, what is the roadmap for getting this done? It seems like to get rid of VFI completely, we would need to implement something like what Tom described here: http://archives.postgresql.org/pgsql-hackers/2009-09/msg00249.php I'm not sure whether the current patch is a good intermediate step towards that ultimate goal, or whether events have overtaken it. ...Robert