| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Re: [COMMITTERS] pgsql: Augment WAL records for btree delete with GetOldestXmin() to |
| Date: | 2010-01-31 21:09:17 |
| Message-ID: | 1264972157.13782.8759.camel@ebony |
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| Lists: | pgsql-committers 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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