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Re: [Linux-cluster] GFS file size/performance question



On Mon, Apr 13, 2009 at 10:38:15PM -0400, Jeff Sturm wrote:

> gfs_tool settune $fs glock_purge 50

> There have been many prior articles posted on GFS performance.  Search
> for e.g. "glock trimming patch".

That purge/trimming thing was a hack for a very particular corner case (backup
process walking over the entire fs and caching all locks on the fs).  Enabling
it under other circumstances will most likely *hurt* your performance by
artificially reducing normal gfs caching.

Dave


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