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Re: [Linux-cluster] GFS cluster / DLM locking - Mostly idle but high load



On Wed, 17 Oct 2007, Wendy Cheng wrote:

> >  Yes. The problem doesn't seem to be so bad when files are in different
> >  directories, but when lots of files are being written to the same
> >  directory, the load goes up quite badly.
> > > Then this should help. Also enable lock_purging if not already done.


 That doesn't seem to work for me. :-(

 # gfs_tool settune / glock_purge 50
 gfs_tool: can't change tunable parameter glock_purge: Invalid argument


I didn't follow this thread of discussion very well. I have to assume you're on earlier versions of RHEL 5 ? Newer versions of gfs_kmod should have this tunable (can't recall the exact gfs_kmod version it got included though).

kernel-2.6.18-8.1.14.el5
kmod-gfs-0.1.16-5.2.6.18_8.1.14.el5

Gordan


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