Not a single scrub in my case.
 |
Steve Taylor |
Senior Software Engineer |
StorageCraft
Technology Corporation 380 Data Drive Suite 300 | Draper | Utah | 84020 Office: 801.871.2799 | |
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-----Original Message-----
From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of Ruben Kerkhof
Sent: Wednesday, December 7, 2016 3:34 PM
To: Francois Lafont <francois.lafont.1978@xxxxxxxxx>
Cc: ceph-users@xxxxxxxxxxxxxx
Subject: Re: 10.2.4 Jewel released
On Wed, Dec 7, 2016 at 11:20 PM, Francois Lafont <francois.lafont.1978@xxxxxxxxx> wrote:
> On 12/07/2016 11:16 PM, Steve Taylor wrote:
>> I'm seeing the same behavior with very similar perf top output. One server with 32 OSDs has a load average approaching 800. No excessive memory usage and no iowait at all.
>
> Exactly!
>
> And another interesting information (maybe). I have ceph-osd process with big cpu load (as Steve said no iowait and no excessive memory usage). If I restart the ceph-osd daemon cpu load becomes OK during exactly 15 minutes for me. After 15 minutes, I have the cpu load again. It's curious this number of 15 minutes, isn't it?
Thanks, l'll check how long it takes for this to happen on my cluster.
I did just pause scrub and deep-scrub. Are there scrubs running on your cluster now by any chance?
Kind regards,
Ruben
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ceph-users@xxxxxxxxxxxxxx
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From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of Ruben Kerkhof
Sent: Wednesday, December 7, 2016 3:34 PM
To: Francois Lafont <francois.lafont.1978@xxxxxxxxx>
Cc: ceph-users@xxxxxxxxxxxxxx
Subject: Re: 10.2.4 Jewel released
On Wed, Dec 7, 2016 at 11:20 PM, Francois Lafont <francois.lafont.1978@xxxxxxxxx> wrote:
> On 12/07/2016 11:16 PM, Steve Taylor wrote:
>> I'm seeing the same behavior with very similar perf top output. One server with 32 OSDs has a load average approaching 800. No excessive memory usage and no iowait at all.
>
> Exactly!
>
> And another interesting information (maybe). I have ceph-osd process with big cpu load (as Steve said no iowait and no excessive memory usage). If I restart the ceph-osd daemon cpu load becomes OK during exactly 15 minutes for me. After 15 minutes, I have the cpu load again. It's curious this number of 15 minutes, isn't it?
Thanks, l'll check how long it takes for this to happen on my cluster.
I did just pause scrub and deep-scrub. Are there scrubs running on your cluster now by any chance?
Kind regards,
Ruben
_______________________________________________
ceph-users mailing list
ceph-users@xxxxxxxxxxxxxx
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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