Re: VACUUM degrades performance significantly. Database becomes

From: Greg Stark <gsstark(at)mit(dot)edu>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: VACUUM degrades performance significantly. Database becomes
Date: 2003-10-17 18:20:20
Message-ID: 87r81b20bf.fsf@stark.dyndns.tv
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Vivek Khera <khera(at)kcilink(dot)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

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