On Thu, 07 Feb 2008 13:47:22 -0500
Tom Lane <tgl@sss.pgh.pa.us> wrote:
> "Joshua D. Drake" <jd@commandprompt.com> writes:
> > I know Luke has mentioned some issues in the past as well around CPU
> > boundness with an upper limit of 300M/s (IIRC) but even that doesn't
> > equate to what is going on here as we are not getting anywhere near
> > that.
>
> Some vmstat and oprofile investigation seems called for. Right now
> we're just guessing about what the bottleneck is.
I also recommend looking into partition alignment on the disks. At
least to quantify how much the storage subsystem suffers from
mis-aligned partitions. It could be that it doesn't.
Regards,
Mark
