oy'
> Cc: ceph-users@lists.ceph.com
> Subject: Re: [ceph-users] Old vs New pool on same OSDs - Performance
> Difference
>
> > -Original Message-
> > From: Somnath Roy [mailto:somnath@sandisk.com]
> > Sent: 29 June 2015 23:29
> > To: Nick Fisk
&
> -Original Message-
> From: Somnath Roy [mailto:somnath@sandisk.com]
> Sent: 29 June 2015 23:29
> To: Nick Fisk
> Cc: ceph-users@lists.ceph.com
> Subject: RE: [ceph-users] Old vs New pool on same OSDs - Performance
> Difference
>
> Nick,
> I think you
]
Sent: Monday, June 29, 2015 3:05 PM
To: Somnath Roy
Cc: ceph-users@lists.ceph.com
Subject: RE: [ceph-users] Old vs New pool on same OSDs - Performance Difference
Sorry, forgot to enable that. Here is another capture with it on and I think
you are spot on as I can see a 100ms delay doing the g
349 pg[0.128( v
26335'8141858 (26331'8138777,26335'8141858] local-les=26276 n=5243 ec=1 les/c
26276/26305 26264/26272/26272) [1,21,31] r=0 lpr=26272 crt=26335'8141855 lcod
26335'8141857 mlcod 26335'8141857 active+clean] publish_stats_to_osd
26349:8019961
2015-06-29 22:
7;_snapset'...
Thanks & Regards
Somnath
-Original Message-
From: Nick Fisk [mailto:n...@fisk.me.uk]
Sent: Monday, June 29, 2015 4:54 AM
To: Somnath Roy
Cc: ceph-users@lists.ceph.com
Subject: RE: [ceph-users] Old vs New pool on same OSDs - Performance Difference
Hi Somnath,
Sorry for the
335'1369662] local-les=26276 n=5050 ec=1 les/c
26276/26311 26264/26270/26270) [1,23,11] r=0 lpr=26270 crt=26335'1369659 lcod
26335'1369661 mlcod 26335'1369661 active+clean] log_op_stats
osd_op(client.2808923.0:188 rb.0.1ba70.238e1f29.264a [read
720896~65536] 0.52c3
sts.ceph.com
> Subject: Re: [ceph-users] Old vs New pool on same OSDs - Performance
> Difference
>
> Nick,
> I think the only IO operation between 'reached_pg' and 'started' is
> fetching the xttrs. Check the following.
>
> 1. Enable debug log 20 (
this helps,
>
> Thanks & Regards
> Somnath
>
> -Original Message-
> From: Nick Fisk [mailto:n...@fisk.me.uk]
> Sent: Saturday, June 20, 2015 8:10 AM
> To: Somnath Roy
> Cc: ceph-users@lists.ceph.com
> Subject: RE: [ceph-users] Old vs New pool on same OSDs
this helps,
Thanks & Regards
Somnath
-Original Message-
From: Nick Fisk [mailto:n...@fisk.me.uk]
Sent: Saturday, June 20, 2015 8:10 AM
To: Somnath Roy
Cc: ceph-users@lists.ceph.com
Subject: RE: [ceph-users] Old vs New pool on same OSDs - Performance Difference
Sorry to dig up this old thre
20 15:39:05.679615",
"event": "done"
}
]
]
The main delay seems to happen between reached_pg and started, any idea what
would be happening in this period?
Nick
> -Original Message-
> Fr
Old vs New pool on same OSDs - Performance Difference
> -Original Message-
> From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf
> Of Somnath Roy
> Sent: 04 June 2015 22:41
> To: Nick Fisk; 'Gregory Farnum'
> Cc: ceph-users@lists.ceph.com
> Subject:
> -Original Message-
> From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of
> Somnath Roy
> Sent: 04 June 2015 22:41
> To: Nick Fisk; 'Gregory Farnum'
> Cc: ceph-users@lists.ceph.com
> Subject: Re: [ceph-users] Old vs New pool on same
, June 04, 2015 2:12 PM
To: 'Gregory Farnum'; Somnath Roy
Cc: ceph-users@lists.ceph.com
Subject: RE: [ceph-users] Old vs New pool on same OSDs - Performance Difference
> -Original Message-
> From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf
> Of Gregory
> -Original Message-
> From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of
> Gregory Farnum
> Sent: 04 June 2015 21:22
> To: Nick Fisk
> Cc: ceph-users@lists.ceph.com
> Subject: Re: [ceph-users] Old vs New pool on same OSDs - Performance
> Diffe
On Thu, Jun 4, 2015 at 6:31 AM, Nick Fisk wrote:
>
> Hi All,
>
> I have 2 pools both on the same set of OSD’s, 1st is the default rbd pool
> created at installation 3 months ago, the other has just recently been
> created, to verify performance problems.
>
> As mentioned both pools are on the sa
ceph-users@lists.ceph.com
Subject: [ceph-users] Old vs New pool on same OSDs - Performance Difference
Hi All,
I have 2 pools both on the same set of OSD's, 1st is the default rbd pool
created at installation 3 months ago, the other has just recently been created,
to verify performance prob
Hi All,
I have 2 pools both on the same set of OSD's, 1st is the default rbd pool
created at installation 3 months ago, the other has just recently been
created, to verify performance problems.
As mentioned both pools are on the same set of OSD's, same crush ruleset and
RBD's on both are id
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