Horton

Re: heap vacuum & cleanup locks

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Simon Riggs <simon@2ndquadrant.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2011-11-08T02:54:43Z
Lists: pgsql-hackers

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  1. Make VACUUM avoid waiting for a cleanup lock, where possible.

On Fri, Nov 4, 2011 at 3:39 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> Doing that actually makes the patch simpler, so I went ahead and did
> that in the attached version, along with the renaming mentioned above.

Hearing no objections, I went ahead and committed this version.

Thanks for coding this up; I think this is a very useful improvement.

It would still be nice to fix the case where we need to freeze a tuple
that is on a page someone else has pinned, but I don't have any good
ideas for how to do that.

-- 
Robert Haas
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