Re: VACUUM degrades performance significantly. Database becomes

Vivek Khera <khera@kcilink.com> writes:

> Your CPU usage is irrelevent here.  What's your *disk* utilization.
> Does linux have systat and/or iostat to tell you how busy your disks
> are?

I normally look at the bi/bo columns of "vmstat 1".

There does appear to be an iostat command, on debian in the sysstat package.
No idea how good it is.

--
greg