Messages in this thread | | | Date | Sat, 11 Mar 2006 02:57:31 +0100 | From | Bernd Eckenfels <> | Subject | Re: [Ocfs2-devel] Ocfs2 performance |
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On Fri, Mar 10, 2006 at 05:09:13PM -0800, Mark Fasheh wrote: > until the locks needs to be upgraded or downgraded. This provides a very > large performance increase over always asking the DLM for a new lock.
Yes, it is basically the same problem as the buffer cache. Excessive single-use patterns dirty the small cache or require a too big cache to be usefull.
Maybe a user specific limit of percentage of hash (and locks) used? I mean the untar test case is a bit synthetic, but think of concurrent read access in a cluster of nntp servers (news article pool).
Gruss Bernd - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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