Horton

Re: Hot Standby btree delete records and vacuum_defer_cleanup_age

Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>

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From: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
To: Simon Riggs <simon@2ndQuadrant.com>
Cc: pgsql-hackers@postgresql.org, Noah Misch <noah@leadboat.com>
Date: 2010-12-08T23:10:23Z
Lists: pgsql-hackers

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  1. Reduce spurious Hot Standby conflicts from never-visible records.

On 08.12.2010 16:00, Simon Riggs wrote:
> Heikki pointed out to me that the btree delete record processing does
> not respect vacuum_defer_cleanup_age. It should.
>
> Attached patch to implement that.
>
> Looking to commit in next few hours barring objections/suggestions, to
> both HEAD and 9_0_STABLE, in time for next minor release.

Please note that it was Noah Misch that raised this a while ago:

http://archives.postgresql.org/pgsql-hackers/2010-11/msg01919.php

-- 
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com