Re: [COMMITTERS] pgsql: Augment WAL records for btree delete with GetOldestXmin() to

Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>

From: Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Simon Riggs <simon@2ndquadrant.com>, pgsql-hackers@postgreSQL.org
Date: 2010-01-29T19:24:51Z
Lists: pgsql-hackers
Tom Lane wrote:
> sriggs@postgresql.org (Simon Riggs) writes:
>> Log Message:
>> -----------
>> Augment WAL records for btree delete with GetOldestXmin() to reduce
>> false positives during Hot Standby conflict processing. Simple
>> patch to enhance conflict processing, following previous discussions. 
>> Controlled by parameter minimize_standby_conflicts = on | off, with
>> default off allows measurement of performance impact to see whether
>> it should be set on all the time.
> 
> WTF?  Simon, this seems to be getting way way beyond anything the
> community has agreed to.  Particularly, inventing GUCs is not something
> to be doing without consensus.

yeah actually both of the last commits seem rather strange given the 
current discussion on this list I must say...



Stefan