From: David Teigland <teigland@redhat.com>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] tasks of dlm_recoverd?
Date: Mon, 27 Aug 2012 10:28:06 -0400 [thread overview]
Message-ID: <20120827142806.GA13752@redhat.com> (raw)
In-Reply-To: <503B5D5A.7030409@itechnical.de>
On Mon, Aug 27, 2012 at 01:43:22PM +0200, Heiko Nardmann wrote:
> Hi together!
>
> During the shutdown of my second cluster node (two node cluster) I
> have seen a process 'dlm_recoverd' running with 100% CPU usage for
> about 6 minutes.
>
> It's just that I have no idea what is the task of this process since
> I haven't been able to find the binary nor a man page for it. Is
> this one coming from the kernel or from one of the cluster
> components?
>
> Can anyone point me into the right direction? Googling hasn't been
> helpful either ...
It's a kernel thread, and it's doing lock recovery. There have been some
recent improvements to speed up recovery for millions of locks, e.g.
http://git.kernel.org/gitweb.cgi?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=7210cb7a72a22303cdb225bd1aea28697a17bbae
prev parent reply other threads:[~2012-08-27 14:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-27 11:43 [Cluster-devel] tasks of dlm_recoverd? Heiko Nardmann
2012-08-27 14:28 ` David Teigland [this message]
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