Switching to a new thread for this summary since there's some much more
generic info here...at this point I've finished exploring the major
Linux filesystem and tuning options I wanted to, as part of examining
changes to the checkpoint code. You can find all the raw data at
Greg,
Thanks for doing these tests!
So: Linux flavor? Kernel version? Disk system and PG directory layout?
--
-- Josh Berkus
PostgreSQL Experts Inc.
http://www.pgexperts.com
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Sent
On 05/02/11 07:31, Greg Smith wrote:
Switching to a new thread for this summary since there's some much
more generic info here...at this point I've finished exploring the
major Linux filesystem and tuning options I wanted to, as part of
examining changes to the checkpoint code. You can find
On Fri, Feb 4, 2011 at 12:31 PM, Greg Smith g...@2ndquadrant.com wrote:
-Switching from ext3 to xfs gave over a 3X speedup on the smaller test set:
from the 600-700 TPS range to around 2200 TPS. TPS rate on the larger data
set actually slowed down a touch on XFS, around 10%. Still, such a
Mark Kirkwood wrote:
Are you going to do some runs with ext4? I'd be very interested to see
how it compares (assuming that you are on a kernel version 2.6.32 or
later so ext4 is reasonably stable...).
Yes, before I touch this system significantly I'll do ext4 as well, and
this is running the
Josh Berkus wrote:
So: Linux flavor? Kernel version? Disk system and PG directory layout?
OS configuration and PostgreSQL settings are saved into the output from
the later runs (I added that somewhere in the middle):
http://www.2ndquadrant.us/pgbench-results/294/pg_settings.txt
That's
