Messages in this thread | | | Subject | Re: [PATCH] numa,sched: only consider less busy nodes as numa balancing destination | From | Artem Bityutskiy <> | Date | Thu, 07 May 2015 16:29:49 +0300 |
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On Wed, 2015-05-06 at 11:41 -0400, Rik van Riel wrote: > On Wed, 06 May 2015 13:35:30 +0300 > Artem Bityutskiy <dedekind1@gmail.com> wrote: > > > we observe a tremendous regression between kernel version 3.16 and 3.17 > > (and up), and I've bisected it to this commit: > > > > a43455a sched/numa: Ensure task_numa_migrate() checks the preferred node > > Artem, Jirka, does this patch fix (or at least improve) the issues you > have been seeing? Does it introduce any new regressions? > > Peter, Mel, I think it may be time to stop waiting for the impedance > mismatch between the load balancer and NUMA balancing to be resolved, > and try to just avoid the issue in the NUMA balancing code...
I'll give it a try as soon as I can and report back, thanks!
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