Messages in this thread | | | Date | Wed, 14 Dec 2011 09:53:02 -0800 | From | Andi Kleen <> | Subject | Re: [patch v3]numa: add a sysctl to control interleave allocation granularity from each node to improve I/O performance |
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> That's what I want to avoid letting each apps to explicitly do it, it's > a lot of burden.
Usually apps that set NUMA policy can change it. Most don't anyways. If it's just a script with numactl it's easily changed.
> That's true only workload with heavy I/O wants this. but I don't expect > it will harm other workloads.
How do you know?
> > >> Also I don't like having more per task state. Could you compute this > >> from the address instead even for the process policy case? > > > >That sounds good. > the process policy case doesn't give an address for allocation.
That's true.
-Andi
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