Date: Tue, 27 Jun 2006 01:25:29 +0200 From: Marian Hettwer <MH@kernel32.de> To: "Marc G. Fournier" <scrappy@hub.org> Cc: Kostik Belousov <kostikbel@gmail.com>, freebsd-stable@freebsd.org, Dmitry Morozovsky <marck@rinet.ru> Subject: Re: vmstat 'b' (disk busy?) field keeps climbing ... Message-ID: <44A06CE9.7040901@kernel32.de> In-Reply-To: <20060626152345.M1114@ganymede.hub.org> References: <20060624221556.O30039@woozle.rinet.ru> <20060624152525.D1114@ganymede.hub.org> <20060625164752.H52500@woozle.rinet.ru> <20060625105843.O1114@ganymede.hub.org> <20060625211510.D52500@woozle.rinet.ru> <20060625154247.N1114@ganymede.hub.org> <20060626014210.P1114@ganymede.hub.org> <20060626014601.E1114@ganymede.hub.org> <20060626045547.GI79678@deviant.kiev.zoral.com.ua> <20060626021616.W1114@ganymede.hub.org> <20060626143038.GK79678@deviant.kiev.zoral.com.ua> <20060626152345.M1114@ganymede.hub.org>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hej there, Marc G. Fournier wrote: > > I think I might have found *at least* one of the problems, and that > being the excessively high blocked states while ps isn't finding > anything ... > > MySQL > > We just recently started allowing clients to run a MySQL server *within* > their vServer ... in a drastic move, I just shut them all down on pluto, > and blocked drop'd from ~86 down to 5 in a matter of moments ... > restarting them all has it climbing once more, being up around 22 > already ... > I don't know wether it helps at all. I guess, not... But I'm seeing blocked processes (mysqld) waiting for disk I/O all over the place when running heavy duty MySQL servers. This is on Linux and FreeBSD. Linux would be either 2.4.31 or 2.6.14 both with MySQL 4.1.x ./Marian -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (Darwin) iD8DBQFEoGzngAq87Uq5FMsRAvk2AKDhWv6DplvGko1/5F4sy7JXuSOcTACcC8zO uF/xKOKq7oyR2V/cP93CKzI= =dv7F -----END PGP SIGNATURE-----
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