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Ceph Status && Community Update
Ceph Day Berlin 2015
COMMUNITY
DEV
Hammer
Modules
Orchestration / Deployment
Release Cycle
QUESTIONS
AGENDA
2
COMMUNITY
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
4
CEPH DAYS
You’re here!
Turning up the heat
100% Community-focused
Upcoming
Beijing
Bay Area
Los Angeles
Chicago
Autstin
Melbourne
5
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 [email protected]
Copyright © 2013 by Inktank | Private and Confidential
Ceph Hackathon
6
METRICS
7
Bitergia Platform
New Quarterly View
Community-driven
Good growth
Code/Tracker/IRC/Lists
Continuing to evolve
USER COMMITTEE
8
Started after Dumpling
Current chair: Eric Mourgaya
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
Google Summer of Code
9
Ceph project’s second year
6 slots, used 4
Last year
Wireshark
Reliability Model
Work published on Ceph wiki
Outreachy too
Get involved!
CentOS Storage SIG
10
Creating a collection of packages
http://wiki.centos.org/SpecialIntere
stGroup/Storage/Proposal
Easier to deploy CentOS as a
storage node
Early days
Packages for Ceph & Gluster
Get involved!
GOVERNANCE
11
We haven’t forgotten about you!
CEPH DEVELOPER SUMMIT
12
Quarterly developer summit
100% online (Blue Jeans / IRC)
Infernalis summit just completed
Videos on Ceph YouTube
channel
Next up: “J”
DEVELOPMENT
HAMMER STATUS
14
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 (ZhiqiangWang)
rgw: S3-compatible bucket versioning support (Yehuda Sadeh)
rgw: large bucket index sharding (Guang Yang, Yehuda Sadeh)
RDMA “xio” messenger support (Matt Benjamin, Vu Pham)
CephFS
15
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
librados
16
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
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
17
DEPLOYMENT / ORCHESTRATION
18
Ceph-deploy in a good place
Chef / Puppet / Ansible / Salt / Juju
Docker is the up-and-comer
Ask Chris!
RELEASE CYCLE COMMS
19
Increased communication requested (user committee)
Alternating releases (ex: emperor vs firefly)
Product vs upstream church and state
THANK YOU!
Patrick McGarryDir Ceph Community
pmcgarry@
redhat.com
@scuttlemonkey
