Cephalocon 2022 Postponed to July 11-13 ​

Cephalocon 2022 has been rescheduled to July 11-13. The schedule is now available at Cephalocon 2022 sched.

Ceph Octopus v15.2.16 Released ​

Notable Changes

• Fix in the read lease logic to prevent PGs from going into WAIT state after OSD restart.
• Several bug fixes in BlueStore, including a fix for object listing bug, which could cause stat mismatch scrub errors.

Recently Merged PRs ​

Recently, the PR mainly focuses on bug fixing. The following describes notable changes:

• cephfs-top: Added average read/write/metadata latency. pr#41397
• rbd: Added rbd_default_map_options to be set and used at the image and pool level. pr#44904
• common: Used thread-local pointer variables to save the shard location required. pr#44479

Recent Ceph Developer News ​

Each module of the Ceph community holds regular meetings to discuss and align the development progress. Meeting videos are uploaded to YouTube. The major meetings are as follows:

Performance Meeting ​

• At performance weekly on March 3, Intel's Michal Wysoczanski introduced openCAS versions and applications, as well as features of Ceph-based application deployment. However, he did not mention Ceph-based performance optimization. It is expected that the information can be provided in the future.
• At performance weekly on March 15, the following performance-related issues were discussed:
  • PGLog optimization
  • Crimson cyanstore performance testing
  • rocksdb iterator performance

Ceph Talks ​

The Ceph community discusses technology-related topics monthly. The topic discussed in March is as follows:

• 2022-3-24, Ceph Tech Talk: How Teuthology Works with Kamoltat (Junior) Sirivadhna

Ceph Community Newsletter ​

Ceph Community Newsletter March 2022 Edition is published. This edition covers the following contents:

• The Ceph Quincy Release Canadidate v17.1.0 is available.