Re: linux deadline i/o elevator tuning

Mark Wong <markwkm@gmail.com> wrote:
> Has anyone experimented with the Linux deadline parameters and
> have some experiences to share?

We've always used elevator=deadline because of posts like this:

http://archives.postgresql.org/pgsql-performance/2008-04/msg00148.php

I haven't benchmarked it, but when one of our new machines seemed a
little sluggish, I found this hadn't been set.  Setting this and
rebooting Linux got us back to our normal level of performance.

-Kevin