Re: 10.2.4 Jewel released

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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.


Steve Taylor | Senior Software Engineer | StorageCraft Technology Corporation
380 Data Drive Suite 300 | Draper | Utah | 84020
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-----Original Message-----
From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of Ruben Kerkhof
Sent: Wednesday, December 7, 2016 3:08 PM
To: ceph-users@xxxxxxxxxxxxxx
Subject: Re: 10.2.4 Jewel released

On Wed, Dec 7, 2016 at 8:46 PM, Francois Lafont <francois.lafont.1978@xxxxxxxxx> wrote:
> Hi,
>
> On 12/07/2016 01:21 PM, Abhishek L wrote:
>
>> This point release fixes several important bugs in RBD mirroring, RGW
>> multi-site, CephFS, and RADOS.
>>
>> We recommend that all v10.2.x users upgrade. Also note the following
>> when upgrading from hammer
>
> Well... little warning: after upgrade from 10.2.3 to 10.2.4, I have big load cpu on osd and mds.

Yes, same here. perf top shows:

  8.23%  [kernel]                      [k] sock_recvmsg
  8.16%  libpthread-2.17.so            [.] __libc_recv
  7.33%  [kernel]                      [k] fget_light
  7.24%  [kernel]                      [k] tcp_recvmsg
  6.41%  [kernel]                      [k] sock_has_perm
  6.19%  [kernel]                      [k] _raw_spin_lock_bh
  4.89%  [kernel]                      [k] system_call
  4.74%  [kernel]                      [k] avc_has_perm_flags
  3.93%  [kernel]                      [k] SYSC_recvfrom
  3.18%  [kernel]                      [k] fput
  3.15%  [kernel]                      [k] system_call_after_swapgs
  3.12%  [kernel]                      [k] local_bh_enable_ip
  3.11%  [kernel]                      [k] release_sock
  2.90%  libpthread-2.17.so            [.] __pthread_enable_asynccancel
  2.71%  libpthread-2.17.so            [.] __pthread_disable_asynccancel
  2.57%  [kernel]                      [k] inet_recvmsg
  2.43%  [kernel]                      [k] local_bh_enable
  2.16%  [kernel]                      [k] local_bh_disable
  2.03%  [kernel]                      [k] tcp_cleanup_rbuf
  1.44%  [kernel]                      [k] sockfd_lookup_light
  1.26%  [kernel]                      [k] _raw_spin_unlock
  1.20%  [kernel]                      [k] sysret_check
  1.18%  [kernel]                      [k] lock_sock_nested
  1.07%  [kernel]                      [k] selinux_socket_recvmsg
  0.98%  [kernel]                      [k] _raw_spin_unlock_bh
  0.97%  ceph-osd                      [.] Pipe::do_recv
  0.87%  [kernel]                      [k] _cond_resched
  0.73%  [kernel]                      [k] tcp_release_cb
  0.52%  [kernel]                      [k] security_socket_recvmsg

Kind regards,

Ruben
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