On 04/09/2013 12:33 AM, Olivier Mauras wrote:
> Hello,
>
> I can't access the bug, what is the status ?

Interesting, wonder why they took it private.  Perhaps that is a good 
sign :).  Unfortunately no comments yet.

> On 2013-04-06 16:44, Orion Poplawski wrote:
>
>> On 04/05/2013 07:32 PM, Bill Maidment wrote:
>>> After switching back to the older kernel, I can confirm that the swap
>>> usage has returned to normal, even during the backup time 6am-8am.
>>> (See attached graph) I'm wondering if this has anything to do with
>>> NUMA, which sometimes prefers to use swap rather than memory that is
>>> slightly slower than the currently used memory. I am using a single
>>> Phenom II 955 processor (quad core) on an ASUS M4N68T motherboard and
>>> SL6.4 upgraded from 6.3
>> Switching back fixed it for me too.  Max swap usage reduced from 100% to
>> 25%, all dumps completed on time.  I suppose NUMA could be a factor,
>> this is a Xeon L5520 system.  I haven't seen this large swap usage on my
>> other older hardware, although I only have the one machine writing
>> backups to local disk, remote machines send the backup via the network
>> to this host.
>>
>> I've filedhttps://bugzilla.redhat.com/show_bug.cgi?id=949166
>>


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Orion Poplawski
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