[Cluster-devel] Re: [GFS2] default drop count for lock_dlm

[David Teigland]

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.