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* Quick question about top...
@ 2006-06-21 20:46 Alex Turner <armtuk@gmail.com>
2006-06-21 21:18 ` Re: Quick question about top... Steinar H. Gunderson <sgunderson@bigfoot.com>
0 siblings, 1 reply; 2+ messages in thread
From: Alex Turner @ 2006-06-21 20:46 UTC (permalink / raw)
To: pgsql-performance
I have a really stupid question about top, what exactly is iowait CPU time?
Alex
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* Re: Quick question about top...
2006-06-21 20:46 Quick question about top... Alex Turner <armtuk@gmail.com>
@ 2006-06-21 21:18 ` Steinar H. Gunderson <sgunderson@bigfoot.com>
0 siblings, 0 replies; 2+ messages in thread
From: Steinar H. Gunderson @ 2006-06-21 21:18 UTC (permalink / raw)
To: pgsql-performance
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 */
--
Homepage: http://www.sesse.net/
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2006-06-21 20:46 Quick question about top... Alex Turner <armtuk@gmail.com>
2006-06-21 21:18 ` Steinar H. Gunderson <sgunderson@bigfoot.com>
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