General

Profile

Mark Nelson

Issues

Projects

  • Ceph (Developer, Reporter, 09/18/2012)
  • Linux kernel client (Developer, Reporter, 09/18/2012)
  • phprados (Developer, Reporter, 09/18/2012)
  • devops (Developer, Reporter, 09/18/2012)
  • rbd (Developer, Reporter, 09/18/2012)
  • rgw (Developer, Reporter, 09/18/2012)
  • sepia (Developer, Reporter, Backporter, 09/18/2012)
  • fs (Developer, Reporter, 10/01/2012)
  • teuthology (Developer, Reporter, 01/10/2013)
  • rados-java (Developer, Reporter, 05/24/2013)
  • Calamari (Developer, Reporter, 08/27/2014)
  • Ceph-deploy (Developer, Reporter, 10/03/2014)
  • ceph-qa-suite (Developer, Reporter, 06/09/2015)
  • Tools (Developer, Reporter, Backporter, 01/26/2016)
  • Infrastructure (Developer, Reporter, Backporter, 01/26/2016)
  • ceph-cm-ansible (Developer, Reporter, Backporter, 01/26/2016)
  • paddles (Developer, Reporter, Backporter, 01/26/2016)
  • pulpito (Developer, Reporter, Backporter, 01/26/2016)
  • downburst (Developer, Reporter, Backporter, 01/28/2016)
  • ovh (Developer, Reporter, Backporter, 02/02/2016)
  • www.ceph.com (Developer, Reporter, Backporter, 08/22/2016)
  • CI (Reporter, 01/10/2017)
  • mgr (Developer, Reporter, 06/28/2017)
  • rgw-testing (Developer, Reporter, 11/01/2016)
  • RADOS (Developer, Reporter, 06/07/2017)
  • bluestore (Developer, Reporter, 11/29/2017)
  • ceph-volume (Developer, Reporter, 11/13/2018)
  • Messengers (Developer, Reporter, 03/12/2019)
  • Orchestrator (Developer, Reporter, 01/16/2020)

Activity

08/04/2020

05:01 PM Ceph Bug #46829 (New): Periodic Lagged/Stalled PGs on new Cluster
While Radek and I have been working on improving bufferlist append overhead I've been noticing that periodically I en...

07/27/2020

03:37 PM fs Fix #46727 (Pending Backport): mds/CInode: Optimize only pinned by subtrees check
Per Patrick's request:
https://github.com/ceph/ceph/pull/36288

07/07/2020

04:24 PM fs Bug #46403 (Triaged): mds: "elist.h: 91: FAILED ceph_assert(_head.empty())"
This may be a re-occurance of https://tracker.ceph.com/issues/44294
Saw this while testing ceph.dir.pin.distribute...
03:35 PM fs Bug #44294: mds: "elist.h: 91: FAILED ceph_assert(_head.empty())"
Possibly hit a new manifestation of this while testing ceph.dir.pin.distributed for the IO500 challenge:...

12/20/2019

06:22 PM Ceph Bug #43402: Python 3.6 + ceph_argparse.py RadosThreads may not fully exit before is_alive() is ca...
See https://github.com/ceph/ceph/pull/32379
05:49 PM Ceph Bug #43402 (Resolved): Python 3.6 + ceph_argparse.py RadosThreads may not fully exit before is_al...
Running the ceph command from a recent pull of master where python 3.6 is used always results in an exception being t...

09/05/2019

10:58 AM bluestore Bug #39618 (Can't reproduce): Runaway memory usage on Bluestore OSD
Since we can't reproduce this in-house, I'm going to close this bug for now. With a 1GB cache I'd typically expect a...

08/28/2019

01:06 PM rgw Bug #41553 (Pending Backport): rgw/rgw_op: Remove get_val from hotpath via legacy options
cbodley requested a tracker ticket be opened to backport https://github.com/ceph/ceph/pull/29943
This gets get_val...

08/07/2019

04:53 PM fs Bug #41140: mds: trim cache more regularly
We did much the same thing in the OSD. Previously we trimmed in a single thread at regular intervals, but now we tri...

08/05/2019

04:05 PM bluestore Bug #41037: Containerized cluster failure due to osd_memory_target not being set to ratio of cgro...
@ben that's probably a semi-reasonable assumption in a lot of cases, though I've noticed that the kernel doesn't alwa...

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