Re: disk performance benchmarks

On Wed, 2004-09-15 at 10:53, Vivek Khera wrote:
> >>>>> "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.

I have checkpoint_segments set to 24, but I get the feeling that making
it larger may have the opposite effect of what I want, by extending the
period during which the DB makes no progress.

-jwb