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)

Activity

12/10/2018

11:18 PM RADOS Bug #37507: osd_memory_target: failed assert when options mismatch
Hi Folks,
I'm guessing this is related to https://github.com/ceph/ceph/pull/25421 Basically a stupid uint64_t bug...

11/06/2018

02:29 AM Ceph Bug #36705 (New): Update rocksdb to 5.15.X get iterator auto-readhead
https://github.com/facebook/rocksdb/wiki/Iterator
It's only in 5.12 for buffered IO and 5.15 for direct IO that it...

12/11/2017

04:15 PM sepia Support #22366 (Resolved): Sepia Lab Access Request
1) Do you just need VPN access or will you also be running teuthology jobs?
Existing, just need to add this system...

09/29/2017

06:08 PM RADOS Bug #21603: rocksdb is using slow crc
Kefu Chai wrote:
> i set a breakpoint in Fast_CRC32() and Slow_CRC32() when debugging ceph-mon, the breakpoint in Fa...
03:08 PM RADOS Bug #21603: rocksdb is using slow crc
Matt Benjamin wrote:
> Just randomly, is this output just from ceph-osd running under perf?
This is output from m...

09/22/2017

03:36 PM Ceph Bug #21503 (Closed): backport rocksdb compaction readahead
03:32 PM Ceph Bug #21505 (Resolved): filestore rocksdb compaction readahead
*master PR*: https://github.com/ceph/ceph/pull/17900
03:13 PM Ceph Bug #21503 (Closed): backport rocksdb compaction readahead

08/21/2017

02:58 PM Ceph Bug #21026: PR #16172 causing performance regression
After discussion with Eric, we can avoid the new code path entirely by increasing the osd_min_pg_log_entries to the s...

08/17/2017

03:26 PM Ceph Bug #21026 (Resolved): PR #16172 causing performance regression
This is most obvious during 4K random writes to NVMe backed bluestore RBD volumes, but it may be present in other tes...

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