Date: Sat, 24 Jun 2006 12:06:56 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Dmitry Morozovsky <marck@rinet.ru> Cc: freebsd-stable@freebsd.org Subject: Re: vmstat 'b' (disk busy?) field keeps climbing ... Message-ID: <20060624090656.GB79678@deviant.kiev.zoral.com.ua> In-Reply-To: <20060624115505.E14669@woozle.rinet.ru> References: <20060623172557.H1114@ganymede.hub.org> <261AD16B-C3FE-4671-996E-563053508CE8@mac.com> <20060624022227.X1114@ganymede.hub.org> <20060624115505.E14669@woozle.rinet.ru>
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[-- Attachment #1 --] 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. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (FreeBSD) iD8DBQFEnQCvC3+MBN1Mb4gRAkt6AJ92EcBenl38NFcR5/X31k5bS/BF/QCeN5F0 z7nfOZhPalnTuzrLySUAbpw= =nNqs -----END PGP SIGNATURE-----
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