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Re: WIP patch for system-catalog vacuuming via a relation map

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: WIP patch for system-catalog vacuuming via a relation map
Date: 2010-02-05 22:52:25
Message-ID: 201002052252.o15MqPB06213@momjian.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Tom Lane wrote:
> Josh Berkus <josh(at)agliodbs(dot)com> writes:
> >> Barring objections I'm going to press ahead with completing and
> >> committing this; then in a separate patch remove VACUUM FULL INPLACE.
> 
> > Was it our determination that we could remove VFI if we eliminated the
> > system catalogs?  I'm fine with it, I just thought some people had a
> > marginal use case for VFI.
> 
> I thought the consensus was to remove it if possible.  There may still
> be some "marginal" use cases, but they don't justify the work that'd
> be needed to make it play safely with HS; let alone fixing the other
> longstanding gotchas with it, like the double-commit risk.

Oh, yea, I remember, HS killed it because of the work required to make
FULL work for 9.0.  Thanks.

-- 
  Bruce Momjian  <bruce(at)momjian(dot)us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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