General

Profile

Xiaoxi Chen

Issues

Projects

  • Ceph (Developer, Reporter, Backporter, 02/26/2016)
  • Linux kernel client (Developer, Reporter, 02/26/2016)
  • phprados (Developer, Reporter, 02/26/2016)
  • devops (Developer, Reporter, Backporter, 02/26/2016)
  • rbd (Developer, Reporter, Backporter, 02/26/2016)
  • rgw (Developer, Reporter, Backporter, 02/26/2016)
  • sepia (Developer, Reporter, Backporter, 02/26/2016)
  • fs (Developer, Reporter, Backporter, 02/26/2016)
  • teuthology (Developer, Reporter, 02/26/2016)
  • rados-java (Developer, Reporter, 02/26/2016)
  • Calamari (Developer, Reporter, 02/26/2016)
  • Ceph-deploy (Developer, Reporter, 02/26/2016)
  • Stable releases (Manager, Developer, 02/26/2016)
  • ceph-qa-suite (Developer, Reporter, Backporter, 02/26/2016)
  • Tools (Developer, Reporter, Backporter, 02/26/2016)
  • Infrastructure (Developer, Reporter, Backporter, 02/26/2016)
  • ceph-cm-ansible (Developer, Reporter, Backporter, 02/26/2016)
  • paddles (Developer, Reporter, Backporter, 02/26/2016)
  • pulpito (Developer, Reporter, Backporter, 02/26/2016)
  • downburst (Developer, Reporter, Backporter, 02/26/2016)
  • ovh (Developer, Reporter, Backporter, 02/26/2016)
  • www.ceph.com (Developer, Reporter, Backporter, 08/22/2016)
  • mgr (Developer, Reporter, Backporter, 06/28/2017)
  • rgw-testing (Developer, Reporter, Backporter, 11/01/2016)
  • RADOS (Developer, Reporter, Backporter, 06/07/2017)
  • bluestore (Developer, Reporter, Backporter, 11/29/2017)
  • ceph-volume (Developer, Reporter, 11/13/2018)

Activity

10/05/2018

06:55 AM Linux kernel client Bug #36317: fallocate implementation on the kernel cephfs client
well but as cephfs potentially share same hardware with other pools, not sure how can this kind of reservation can h...

09/25/2018

09:54 AM RADOS Bug #21142: OSD crashes when loading pgs with "FAILED assert(interval.last > last)"
FWIW, we hit this issue several times, it seems relate with our operational works that change `mon_osd_force_trim_to`...

06/27/2018

06:10 AM RADOS Bug #21142: OSD crashes when loading pgs with "FAILED assert(interval.last > last)"
Sage Weil wrote:
> Dexter, anyone: was there a PG split (pg_num increase) on the cluster before this happened? Or m...

06/21/2018

09:19 AM RADOS Bug #21142: OSD crashes when loading pgs with "FAILED assert(interval.last > last)"
We also hit this today, happen to have osd log with --debug_osd = 20
FWIW, the cluster has an inconsistent PG and ...

05/28/2018

02:40 AM Ceph Revision 99f14e2f (ceph): Revert "mon: no delay for single message MSG_ALIVE and MSG_PGTEMP"
This change doesn't looks right and causing twice as much proposal as we targeted to (limited by paxos_propose_interv...
02:39 AM Ceph Revision 9656bf14 (ceph): Revert "mon: no delay for single message MSG_ALIVE and MSG_PGTEMP"
This change doesn't looks right and causing twice as much proposal as we targeted to (limited by paxos_propose_interv...

05/25/2018

03:09 PM Ceph Revision 44283e5a (ceph): Revert "mon: no delay for single message MSG_ALIVE and MSG_PGTEMP"
This change doesn't looks right and causing twice as much proposal as we targeted to (limited by paxos_propose_interv...

05/14/2018

06:52 AM RADOS Backport #23912: luminous: mon: High MON cpu usage when cluster is changing
-http://tracker.ceph.com/issues/23912-
https://github.com/ceph/ceph/pull/21968
06:43 AM Ceph Revision 0a0d682c (ceph): messages/MOSDMap: significant feature bits.
1. MOSDMap go with features indicating the features
this map encoded for.
2. Only reencode if significant bits misma...
06:00 AM Ceph Revision 0b6c15ae (ceph): mon/OSDMonitor: add feature into osdmap cache key.
Change the cache from
SimpleLRU<version_t, bufferlist> inc_osd_cache;
to
SimpleLRU<pair<version_t, uint64_t>, bufferl...

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