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From: Mark Nelson <mnelson@redhat.com>
To: Alexandre DERUMIER <aderumier@odiso.com>
Cc: Blair Bethwaite <blair.bethwaite@gmail.com>,
	James Page <james.page@ubuntu.com>,
	ceph-devel <ceph-devel@vger.kernel.org>,
	Stephen L Blinick <stephen.l.blinick@intel.com>,
	Jay Vosburgh <jay.vosburgh@canonical.com>,
	Colin Ian King <colin.king@canonical.com>,
	Patricia Gaughen <patricia.gaughen@canonical.com>,
	Leann Ogasawara <leann.ogasawara@canonical.com>
Subject: Re: Memstore performance improvements v0.90 vs v0.87
Date: Fri, 20 Feb 2015 10:12:46 -0600	[thread overview]
Message-ID: <54E75CFE.70601@redhat.com> (raw)
In-Reply-To: <252858605.1545602.1424448205171.JavaMail.zimbra@oxygem.tv>



On 02/20/2015 10:03 AM, Alexandre DERUMIER wrote:
>>> http://rhelblog.redhat.com/2015/01/12/mysteries-of-numa-memory-management-revealed/
>>> It's possible that this could be having an effect on the results.
>
> Isn't auto numa balancing enabled by default since kernel 3.8 ?

No idea, I'm behind the times on what's been going on with numa tuning.

>
> it can be checked with
>
> cat /proc/sys/kernel/numa_balancing

At least at first glance it doesn't look like it's enabled on either our 
RHEL7 or Ubuntu nodes.  No numad running either.

  reply	other threads:[~2015-02-20 16:13 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-14  7:05 Memstore performance improvements v0.90 vs v0.87 Blinick, Stephen L
2015-01-14 22:32 ` Blinick, Stephen L
2015-01-14 22:43   ` Mark Nelson
2015-01-14 23:39     ` Blinick, Stephen L
2015-01-27 21:03       ` Mark Nelson
2015-01-28  1:23         ` Blinick, Stephen L
2015-01-28 21:51           ` Mark Nelson
2015-01-29 12:51             ` James Page
2015-02-20  9:07         ` James Page
2015-02-20  9:49           ` Blair Bethwaite
2015-02-20 10:09             ` Haomai Wang
2015-02-20 15:38             ` Mark Nelson
     [not found]               ` <524687337.1545267.1424448115086.JavaMail.zimbra@oxygem.tv>
2015-02-20 16:03                 ` Alexandre DERUMIER
2015-02-20 16:12                   ` Mark Nelson [this message]
     [not found]                     ` <298703592.1573873.1424506210041.JavaMail.zimbra@oxygem.tv>
2015-02-21  8:10                       ` Alexandre DERUMIER
     [not found]                         ` <1429598219.1574757.1424509359439.JavaMail.zimbra@oxygem.tv>
2015-02-21  9:02                           ` Alexandre DERUMIER
2015-02-20 18:38                   ` Stefan Priebe
2015-02-20 15:51           ` Mark Nelson
2015-02-20 15:58             ` James Page
2015-01-14 22:44   ` Somnath Roy
2015-01-14 23:37     ` Blinick, Stephen L
2015-01-15 10:43     ` Andreas Bluemle
2015-01-15 17:09       ` Sage Weil
2015-01-15 17:15       ` Sage Weil
2015-01-19  9:28         ` Andreas Bluemle

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