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From: David Teigland <teigland@redhat.com>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] Re: [GFS2] default drop count for lock_dlm
Date: Fri, 30 Mar 2007 11:03:28 -0500	[thread overview]
Message-ID: <20070330160327.GA13056@redhat.com> (raw)
In-Reply-To: <1175263091.1636.163.camel@quoit.chygwyn.com>

On Fri, Mar 30, 2007 at 02:58:11PM +0100, Steven Whitehouse wrote:
> Hi,
> 
> I think it would be a good plan to have a zero default (i.e. off) for
> the drop_count parameter, otherwise its liable to cause a performance
> problem if its set too low. There is also the question of what exactly
> the "right" setting actually is, as it seems it's not easy to find the
> right balance. Probably the best advice is to only set it in the case
> that the DLM is taking excessive amounts of memory and then use the
> guidance from cat /proc/slabinfo | grep gfs2_glock to get a rough idea
> of the threshold to set it at,

Sounds fine to me.



      reply	other threads:[~2007-03-30 16:03 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-30 13:58 [Cluster-devel] [GFS2] default drop count for lock_dlm Steven Whitehouse
2007-03-30 16:03 ` David Teigland [this message]

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