Re: disk performance benchmarks

>>>>> "JWB" == Jeffrey W Baker <jwbaker@acm.org> writes:

JWB> All these replies are really interesting, but the point is not that my
JWB> RAIDs are too slow, or that my CPUs are too slow.  My point is that, for
JWB> long stretches of time, by database doesn't come anywhere near using the
JWB> capacity of the hardware.  And I think that's odd and would like to
JWB> config it to "false".

Have you tried to increase your checkpoing_segments?  I get the
suspicion that you're checkpointing every 3 minutes constantly.
You'll have to restart the postmaster for this setting to take effect,
I believe.


-- 
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Vivek Khera, Ph.D.                Khera Communications, Inc.
Internet: khera@kciLink.com       Rockville, MD  +1-301-869-4449 x806
AIM: vivekkhera Y!: vivek_khera   http://www.khera.org/~vivek/