Horton

Re: Performance Improvement by reducing WAL for Update Operation

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Heikki Linnakangas <hlinnakangas@vmware.com>
Cc: Amit Kapila <amit.kapila16@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>, Mike Blackwell <mike.blackwell@rrd.com>
Date: 2014-02-06T03:37:20Z
Lists: pgsql-hackers 
On Wed, Feb 5, 2014 at 6:59 AM, Heikki Linnakangas
<hlinnakangas@vmware.com> wrote:
> Attached is a quick patch for that, if you want to test it.

But if we really just want to do prefix/suffix compression, this is a
crappy and expensive way to do it.  We needn't force everything
through the pglz tag format just because we elide a common prefix or
suffix.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

Commits

  1. Flush stderr and stdout in isolation tester.