Patrick McGarry, Red Hat

1. Ceph Status && Community Update
Ceph Day Beijing 2015

2. COMMUNITY
DEV
 Hammer
 Modules
 Orchestration / Deployment
 Release Cycle
QUESTIONS
AGENDA
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3. COMMUNITY

4.  Focused on being non-disruptive
 RHEL / Fedora / CentOS coverage
 Maintaining Ubuntu / SUSE coverage
 Co-Existing with Gluster
 Bi-directional learning is fun!
LIVING IN A POST-ACQUISITION
WORLD
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5. CEPH DAYS
 You’re here!
 Turning up the heat
 100% Community-focused
 Upcoming
 Beijing
 San Jose
 Los Angeles
 Chicago
 Austin
 Melbourne
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6.  Hosted by Intel in Hillsboro, OR
 10-13 Aug
 <25 people
 Real work!
 Performance (Mark Nelson)
 RBD focus
 RGW features and integration
 Spread the word!
 Email pmcgarry@redhat.com
Copyright © 2013 by Inktank | Private and Confidential
Ceph Hackathon
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7. METRICS
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 Bitergia Platform
 New Quarterly View
 Community-driven
 Good growth
 Code/Tracker/IRC/Lists
 Continuing to evolve

8. USER COMMITTEE
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 Started after Dumpling
 Next chair: Wido den Hollander
 Periodic meetings to discuss community matters
 Most recently:
 Release cadence
 Contributor credits
 Meetups
 RADOS Gateway use cases
 Discuss upcoming work
 First steps towards broader governance

9. Google Summer of Code
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 Ceph project’s second year
 6 slots, used 4
 Last year
 Wireshark
 Reliability Model
 Work published on Ceph wiki
 Outreachy too
 Get involved!

10. CentOS Storage SIG
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 Creating a collection of
packages
 http://wiki.centos.org/SpecialI
nterestGroup/Storage/Proposal
 Easier to deploy CentOS as a
storage node
 Early days
 Packages for Ceph & Gluster
 Get involved!

11. GOVERNANCE
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We haven’t forgotten about you!

12. CEPH DEVELOPER SUMMIT
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 Quarterly developer summit
 100% online (Blue Jeans /
IRC)
 Infernalis summit completed
 Videos on Ceph YouTube
channel
 Next up: Jewel (1-2 July)
 Blueprints open now

13. DEVELOPMENT

14. HAMMER STATUS
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 Released 13 Apr 2015
 Major Features:
 cephfs: journal scavenger repair tool (John Spray)
 crush: new and improved straw2 bucket type (Sage Weil,
Christina Anderson, Xiaoxi Chen)
 doc: improved guidance for CephFS early adopters (John
Spray)
 librbd: add per-image object map for improved
performance (Jason Dillaman)
 librbd: copy-on-read (Min Chen, Li Wang, Yunchuan Wen,
Cheng Cheng)
 librados: fadvise-style IO hints (Jianpeng Ma)
 mds: many many snapshot-related fixes (Yan, Zheng)
 mon: new ‘ceph osd df’ command (Mykola Golub)
 mon: new ‘ceph pg ls …’ command (Xinxin Shu)
 osd: improved performance for high-performance
backends
 osd: improved recovery behavior (Samuel Just)
 osd: improved cache tier behavior with reads (Zhiqiang
Wang)
 rgw: S3-compatible bucket versioning support (Yehuda
Sadeh)
 rgw: large bucket index sharding (Guang Yang, Yehuda
Sadeh)

15. CephFS
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 Lots of hard work!
 Dogfooding
 Code
 Src/mds: 366 commits, 19,417 lines added/removed
 Src/client: 131 commits, 4289 lines
 Src/tools/cephfs: 41 commits, 4179 lines
 Ceph-qa-suite: 4842 added lines of FS-related python
 Tracker
 108 FS tickets resolved since Firefly (of which 97 were
created since Firefly)
 83 ticket currently open for FS, of which 35 were
created since Firefly
 31 feature tickets resolved

16. librados
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 Many more deployments/apps using direct librados
 Native library for accessing RADOS
 Librados.so shared library
 C, C++, Python, Erlang, Haskell, PHP, Java (JNA)
 Direct data path to storage nodes
 Speaks native Ceph protocol with cluster
 Exposes
 Mutable objects
 Rich per-object API and data model
 Hides
 Data distribution, migration, replication, failures

17.  Making your intelligent nodes, intelligent-er!
 Allows you to dynamically extend objects in RADOS
 Examples
 MD5 hash
 Image thumbnail service
 Log post-processing
 Whatever you build!
 Uses LUA
 Ask Noah!
Copyright © 2013 by Inktank | Private and Confidential
Object Classes
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18. DEPLOYMENT / ORCHESTRATION
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 Ceph-deploy in a good place
 Chef / Puppet / Ansible / Salt / Juju
 Docker is the up-and-comer

19. THANK YOU!
Patrick McGarry
Dir Ceph Community
pmcgarry@
redhat.com
@scuttlemonkey