Re: Performance Improvement by reducing WAL for Update Operation

Peter Geoghegan <pg@heroku.com>

From: Peter Geoghegan <pg@heroku.com>
To: Andres Freund <andres@2ndquadrant.com>, Fujii Masao <masao.fujii@gmail.com>
Cc: Bruce Momjian <bruce@momjian.us>, Robert Haas <robertmhaas@gmail.com>, Amit Kapila <amit.kapila16@gmail.com>, Heikki Linnakangas <hlinnakangas@vmware.com>, pgsql-hackers <pgsql-hackers@postgresql.org>, Mike Blackwell <mike.blackwell@rrd.com>
Date: 2014-02-04T21:50:10Z
Lists: pgsql-hackers
On Tue, Feb 4, 2014 at 11:11 AM, Andres Freund <andres@2ndquadrant.com> wrote:
>> Does this feature relate to compression of WAL page images at all?
>
> No.

So the obvious question is: where, if anywhere, do the two efforts
(this patch, and Fujii's patch) overlap? Does Fujii have any concerns
about this patch as it relates to his effort to compress FPIs?

-- 
Peter Geoghegan


Commits

  1. Flush stderr and stdout in isolation tester.