[lustre-discuss] lustre OSC and system cache

Cory Spitz spitzcor at cray.com
Wed Dec 14 19:30:30 PST 2016

On 12/12/16, 7:11 PM, "lustre-discuss on behalf of John Bauer" <lustre-discuss-bounces at lists.lustre.org on behalf of bauerj at iodoctors.com> wrote:

    2.5.2-trunk-1.0502.20758.2.7-abuild-RB-5.2UP04_2.5.2 at 20758-2015-09-01-23:29

Hi, John.
I recognize that build string as an old Cray release.  FWIW, I’m guessing that HZ==100 on that system.  I suggest that reach back to Cray support with questions.  Also inquire about the latest patch set for that release.

If you have the opportunity, I suggest that you try this code on system capable of running the latest 2.9.0 release.  There have been lots of client performance enhancements between ~2.5.2 from Cray and the new 2.9.0 release.  I’d be interested in what the new code improves.


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