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Re: Quick question about top... - Mailing list pgsql-performance

From Steinar H. Gunderson
Subject Re: Quick question about top...
Date
Msg-id 20060621211824.GA5782@uio.no
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In response to Quick question about top...  ("Alex Turner" <armtuk@gmail.com>)
List pgsql-performance
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On Wed, Jun 21, 2006 at 04:46:15PM -0400, Alex Turner wrote:
> I have a really stupid question about top, what exactly is iowait CPU time?

Time while the CPU is idle, but at least one I/O request is outstanding.

In other words, if you're at 100% I/O-wait, you're heavily I/O-bound and your
processor is bored to death.

/* Steinar */
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Homepage: http://www.sesse.net/

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