Re: We really ought to do something about O_DIRECT and data=journalled on ext4
Steve Singer <ssinger@ca.afilias.info>
From: Steve Singer <ssinger@ca.afilias.info>
To: Greg Smith <greg@2ndquadrant.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Josh Berkus <josh@agliodbs.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2010-12-07T00:43:15Z
Lists: pgsql-hackers
On 10-12-06 06:56 PM, Greg Smith wrote: > Tom Lane wrote: >> The various testing that's been reported so far is all for >> Linux and thus doesn't directly address the question of whether other >> kernels will have similar performance properties. > > Survey of some popular platforms: > <snip> > So my guess is that some small percentage of Windows users might notice > a change here, and some testing on FreeBSD would be useful too. That's > about it for platforms that I think anybody needs to worry about. If you tell me which options to pgbench and which .conf file settings you'd like to see I can probably arrange to run some tests on AIX. > > -- > Greg Smith 2ndQuadrant USgreg@2ndQuadrant.com Baltimore, MD > PostgreSQL Training, Services and Supportwww.2ndQuadrant.us > "PostgreSQL 9.0 High Performance":http://www.2ndQuadrant.com/books >