[Gluster-users] Plans for Gluster 3.8
vbellur at redhat.com
Thu Jul 9 06:57:35 UTC 2015
Now that 3.7 is out, here are some thoughts on how we can shape up 3.8.
I am thinking of releasing Gluster 3.8 towards the end of this year.
Here is a tentative list of things that we are contemplating to do in 3.8:
1. Improvements for "Storage as a Service"
"Storage as a Service" broadly refers to the model where storage
can be provisioned or decommissioned on demand, storage caters to single
or multi tenant workloads and completely automated provisoning of
storage is possible. Storage as a Service is what public/private clouds
use as a building block today. By selecting enhancements and
improvements that fit into this paradigm, we can make Gluster to be more
easily adopted in modern datacenters. Following are sample use
cases/workloads that can benefit by gluster improvements:
- Manila: File Share as a service project in OpenStack
- Shared Storage for Containers
- Any deployment where shares are created as a service
Enhancements that can be accomplished in this release include:
a. Intelligent Volume provisioning through Heketi 
b. Kerberized support for GlusterFS protocol
c. Better network management support 
2. Regression test & Quality improvements
We have zeroed in on distaf as the framework of choice where we will
be adding support for multi-node regression tests. This will augment the
single node pre-commit regression tests that we already run today with
Jenkins. I expect tests in distaf passing as a gating factor for GA of
all releases from 3.8. Here is what we would like to do in this release
a. all gluster components to have tests populated in distaf
b. CI using Jenkins for running tests in distaf on nightlies/release
3. Storage for Containers
There seems to be significant attention on storage for containers
recently. We can cater to this interest by picking specific improvements
for container storage like:
a. shared storage for applications in containers (already possible with
nfs today). Explore how we can do this with native client etc.
b. shared storage for docker/container repositories
c. hyperconvergence of containers & storage
4. Hyperconvergence with oVirt
There is an ongoing effort to have hyperconvergence of gluster with
oVirt for storing virtual machine images in a single cluster .
Improvements like the following can help in making Gluster a better fit
a. Throttling for maintenance operations in gluster
b. Ensuring data locality for virtual machine images
c. Integration of sharding for hyperconvergence (expect to reach here
sooner than 3.8)
5. Performance improvements
a. Continue the onoging small file performance improvements 
b. multi-threaded self-heal daemon for improving performance of self-healing
6. Other improvements like full fledged IPv6 support,
delegations/lease-lock improvements, more policies for tiering, support
for systematic erasure codes, support for native object service etc. are
There are other improvements which are being planned and have not found
a mention here. If you are aware of such improvements, please reply to
this thread. I will be collating this information and publish a release
planning page for 3.8 in gluster.org.
If you have come all the way till here, we would be interested in
knowing the following:
(i) What are your thoughts on the plan?
(ii) What other improvements would you be interested in seeing?
Thoughts and feedback would be very welcome!
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