vmstat 'b' (disk busy?) field keeps climbing ...

Kostik Belousov kostikbel at gmail.com
Sat Jun 24 09:07:05 UTC 2006


On Sat, Jun 24, 2006 at 11:55:26AM +0400, Dmitry Morozovsky wrote:
> On Sat, 24 Jun 2006, Marc G. Fournier wrote:
> 
> MGF> > 'b' stands for "blocked", not "busy".  Judging by your page fault rate
> MGF> > and the high number of frees and pages being scanned, you're probably
> MGF> > swapping tasks in and out and are waiting on disk.  Take a look at
> MGF> > "vmstat -s", and consider adding more RAM if this is correct...
> MGF> 
> MGF> is there a way of finding out what processes are blocked?
> 
> Aren't they in 'D' status by ps?
Use ps axlww. In this way, at least actual blocking points are shown.
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