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From Subramaniam V K <subru...@gmail.com>
Subject Re: Thinking ahead to hadoop-2.6
Date Tue, 23 Sep 2014 23:48:41 GMT
+1 for end of next week.

We have got all the patches for YARN-1051 committed to the branch. We are
currently fixing test-patch & plan to call a merge vote soon. Hopefully it
will go through by end of next week.

Thanks,
Subru

On Tue, Sep 23, 2014 at 4:31 PM, Karthik Kambatla <kasha@cloudera.com>
wrote:

> Looking at the patches, we might be able to get most of YARN-1492 in by the
> end of next week. There would be a couple of security items still
> remaining, but we can may be call the feature alpha-ready without them.
>
> On Tue, Sep 23, 2014 at 4:25 PM, Chris Trezzo <ctrezzo@gmail.com> wrote:
>
> > I would like to see the shared cache (YARN-1492) make it in as well. We
> are
> > going through the final review process (with Karthik and Vinod) and
> should
> > be fairly close to complete. This is another feature that has been under
> > development for a while.
> >
> > Thanks,
> > Chris
> >
> > On Tue, Sep 23, 2014 at 4:00 PM, Suresh Srinivas <suresh@hortonworks.com
> >
> > wrote:
> >
> > > I actually would like to see both archival storage and single replica
> > > memory writes to be in 2.6 release. Archival storage is in the final
> > stages
> > > of getting ready for branch-2 merge as Nicholas has already indicated
> on
> > > the dev mailing list. Hopefully HDFS-6581 gets ready sooner. Both of
> > these
> > > features are being in development for sometime.
> > >
> > > On Tue, Sep 23, 2014 at 3:27 PM, Andrew Wang <andrew.wang@cloudera.com
> >
> > > wrote:
> > >
> > > > Hey Arun,
> > > >
> > > > Maybe we could do a quick run through of the Roadmap wiki and
> > > add/retarget
> > > > things accordingly?
> > > >
> > > > I think the KMS and transparent encryption are ready to go. We've
> got a
> > > > very few further bug fixes pending, but that's it.
> > > >
> > > > Two HDFS things that I think probably won't make the end of the week
> > are
> > > > archival storage (HDFS-6584) and single replica memory writes
> > > (HDFS-6581),
> > > > which I believe are under the HSM banner. HDFS-6484 was just merged
> to
> > > > trunk and I think needs a little more work before it goes into
> > branch-2.
> > > > HDFS-6581 hasn't even been merged to trunk yet, so seems a bit
> further
> > > off
> > > > yet.
> > > >
> > > > Just my 2c as I did not work directly on these features. I just
> > generally
> > > > shy away from shipping bits quite this fresh.
> > > >
> > > > Thanks,
> > > > Andrew
> > > >
> > > > On Tue, Sep 23, 2014 at 3:03 PM, Arun Murthy <acm@hortonworks.com>
> > > wrote:
> > > >
> > > > > Looks like most of the content is in and hadoop-2.6 is shaping up
> > > nicely.
> > > > >
> > > > > I'll create branch-2.6 by end of the week and we can go from there
> to
> > > > > stabilize it - hopefully in the next few weeks.
> > > > >
> > > > > Thoughts?
> > > > >
> > > > > thanks,
> > > > > Arun
> > > > >
> > > > > On Tue, Aug 12, 2014 at 1:34 PM, Arun C Murthy <
> acm@hortonworks.com>
> > > > > wrote:
> > > > >
> > > > > > Folks,
> > > > > >
> > > > > >  With hadoop-2.5 nearly done, it's time to start thinking ahead
> to
> > > > > > hadoop-2.6.
> > > > > >
> > > > > >  Currently, here is the Roadmap per the wiki:
> > > > > >
> > > > > >         • HADOOP
> > > > > >                 • Credential provider HADOOP-10607
> > > > > >         • HDFS
> > > > > >                 • Heterogeneous storage (Phase 2) - Support
APIs
> > for
> > > > > using
> > > > > > storage tiers by the applications HDFS-5682
> > > > > >                 • Memory as storage tier HDFS-5851
> > > > > >         • YARN
> > > > > >                 • Dynamic Resource Configuration YARN-291
> > > > > >                 • NodeManager Restart YARN-1336
> > > > > >                 • ResourceManager HA Phase 2 YARN-556
> > > > > >                 • Support for admin-specified labels in YARN
> > YARN-796
> > > > > >                 • Support for automatic, shared cache for
YARN
> > > > > application
> > > > > > artifacts YARN-1492
> > > > > >                 • Support NodeGroup layer topology on YARN
> YARN-18
> > > > > >                 • Support for Docker containers in YARN YARN-1964
> > > > > >                 • YARN service registry YARN-913
> > > > > >
> > > > > >  My suspicion is, as is normal, some will make the cut and some
> > > won't.
> > > > > > Please do add/subtract from the list as appropriate. Ideally,
it
> > > would
> > > > be
> > > > > > good to ship hadoop-2.6 in a 6-8 weeks (say, October) to keep
up
> a
> > > > > cadence.
> > > > > >
> > > > > >  More importantly, as we discussed previously, we'd like
> hadoop-2.6
> > > to
> > > > be
> > > > > > the *last* Apache Hadoop 2.x release which support JDK6. I'll
> > start a
> > > > > > discussion with other communities (HBase, Pig, Hive, Oozie etc.)
> > and
> > > > see
> > > > > > how they feel about this.
> > > > > >
> > > > > > thanks,
> > > > > > Arun
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > > > --
> > > > >
> > > > > --
> > > > > Arun C. Murthy
> > > > > Hortonworks Inc.
> > > > > http://hortonworks.com/
> > > > >
> > > > > --
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