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

From Simon Riggs
Subject Re: Re: [COMMITTERS] pgsql: Augment WAL records for btree delete with GetOldestXmin() to
Date
Msg-id 1264972157.13782.8759.camel@ebony
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In response to Re: Re: [COMMITTERS] pgsql: Augment WAL records for btree delete with GetOldestXmin() to  (Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>)
Responses Re: Re: [COMMITTERS] pgsql: Augment WAL records for btree delete with GetOldestXmin() to
List pgsql-hackers
On Sun, 2010-01-31 at 22:05 +0100, Stefan Kaltenbrunner wrote:

> hmm makes sense from the HS side - but I think to make a case for a GUC 
> it would help a lot to see actual numbers(as in benchmarks) showing how 
> much of a hit it is to the master.

Agreed, though my approach to benchmarking was to provide the mechanism
by which it was possible to benchmark. I didn't presume to be able to
cover wide area with benchmarking tests just for this.

-- Simon Riggs           www.2ndQuadrant.com



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