Re: [PATCH 0/11] ksm: NUMA trees and page migration

2013-01-30 Thread Ric Mason
On Tue, 2013-01-29 at 17:51 +0100, Andrea Arcangeli wrote: > Hi everyone, > > On Tue, Jan 29, 2013 at 04:26:13AM +0200, Izik Eidus wrote: > > On 01/29/2013 02:49 AM, Izik Eidus wrote: > > > On 01/29/2013 01:54 AM, Andrew Morton wrote: > > >> On Fri, 25 Jan 2013 17:53:10 -0800 (PST) > > >> Hugh Dic

Re: [PATCH 0/11] ksm: NUMA trees and page migration

2013-01-29 Thread Andrea Arcangeli
Hi everyone, On Tue, Jan 29, 2013 at 04:26:13AM +0200, Izik Eidus wrote: > On 01/29/2013 02:49 AM, Izik Eidus wrote: > > On 01/29/2013 01:54 AM, Andrew Morton wrote: > >> On Fri, 25 Jan 2013 17:53:10 -0800 (PST) > >> Hugh Dickins wrote: > >> > >>> Here's a KSM series > >> Sanity check: do you hav

Re: [PATCH 0/11] ksm: NUMA trees and page migration

2013-01-29 Thread Gleb Natapov
On Mon, Jan 28, 2013 at 05:07:15PM -0800, Hugh Dickins wrote: > On Mon, 28 Jan 2013, Andrew Morton wrote: > > On Fri, 25 Jan 2013 17:53:10 -0800 (PST) > > Hugh Dickins wrote: > > > > > Here's a KSM series > > > > Sanity check: do you have a feeling for how useful KSM is? > > Performance/space i

Re: [PATCH 0/11] ksm: NUMA trees and page migration

2013-01-28 Thread Izik Eidus
On 01/29/2013 02:49 AM, Izik Eidus wrote: On 01/29/2013 01:54 AM, Andrew Morton wrote: On Fri, 25 Jan 2013 17:53:10 -0800 (PST) Hugh Dickins wrote: Here's a KSM series Sanity check: do you have a feeling for how useful KSM is? Performance/space improvements for typical (or atypical) workload

Re: [PATCH 0/11] ksm: NUMA trees and page migration

2013-01-28 Thread Hugh Dickins
On Mon, 28 Jan 2013, Andrew Morton wrote: > On Fri, 25 Jan 2013 17:53:10 -0800 (PST) > Hugh Dickins wrote: > > > Here's a KSM series > > Sanity check: do you have a feeling for how useful KSM is? > Performance/space improvements for typical (or atypical) workloads? > Are people using it? Succ

Re: [PATCH 0/11] ksm: NUMA trees and page migration

2013-01-28 Thread Izik Eidus
On 01/29/2013 01:54 AM, Andrew Morton wrote: On Fri, 25 Jan 2013 17:53:10 -0800 (PST) Hugh Dickins wrote: Here's a KSM series Sanity check: do you have a feeling for how useful KSM is? Performance/space improvements for typical (or atypical) workloads? Are people using it? Successfully? Hi

Re: [PATCH 0/11] ksm: NUMA trees and page migration

2013-01-28 Thread Andrew Morton
On Fri, 25 Jan 2013 17:53:10 -0800 (PST) Hugh Dickins wrote: > Here's a KSM series Sanity check: do you have a feeling for how useful KSM is? Performance/space improvements for typical (or atypical) workloads? Are people using it? Successfully? IOW, is it justifying itself? -- To unsubscribe

[PATCH 0/11] ksm: NUMA trees and page migration

2013-01-25 Thread Hugh Dickins
Here's a KSM series, based on mmotm 2013-01-23-17-04: starting with Petr's v7 "KSM: numa awareness sysfs knob"; then fixing the two issues we had with that, fully enabling KSM page migration on the way. (A different kind of KSM/NUMA issue which I've certainly not begun to address here: when KSM pa