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From Sangjin Lee <sj...@apache.org>
Subject Re: [VOTE] Merge feature branch YARN-5355 (Timeline Service v2) to trunk
Date Wed, 30 Aug 2017 21:37:09 GMT
I recall this discussion about a couple of years ago:
https://lists.apache.org/thread.html/43cd65c6b6c3c0e8ac2b3c76afd9eff1f78b177fabe9c4a96d9b3d0b@1440189889@%3Ccommon-dev.hadoop.apache.org%3E

On Wed, Aug 30, 2017 at 2:32 PM, Steve Loughran <stevel@hortonworks.com>
wrote:

> I'd have assumed it would have gone in as one single patch, rather than a
> full history. I don't see why the trunk needs all the evolutionary history
> of a build.
>
> What should our policy/process be here?
>
> I do currently plan to merge the s3guard in as one single squashed patch;
> just getting HADOOP-14809 sorted first.
>
>
> > On 30 Aug 2017, at 07:09, Vrushali C <vrushalic2016@gmail.com> wrote:
> >
> > I'm adding my +1 (binding) to conclude the vote.
> >
> > With 13 +1's (11 binding) and no -1's, the vote passes. We'll get on with
> > the merge to trunk shortly. Thanks everyone!
> >
> > Regards
> > Vrushali
> >
> >
> > On Tue, Aug 29, 2017 at 10:54 AM, varunsaxena@apache.org <
> > varun.saxena.apache@gmail.com> wrote:
> >
> >> +1 (binding).
> >>
> >> Kudos to all the team members for their great work!
> >>
> >> Being part of the ATSv2 team, I have been involved with either
> development
> >> or review of most of the JIRAs'.
> >> Tested ATSv2 in both secure and non-secure mode. Also verified that
> there
> >> is no impact when ATSv2 is turned off.
> >>
> >> Regards,
> >> Varun Saxena.
> >>
> >> On Tue, Aug 22, 2017 at 12:02 PM, Vrushali Channapattan <
> >> vrushalic2016@gmail.com> wrote:
> >>
> >>> Hi folks,
> >>>
> >>> Per earlier discussion [1], I'd like to start a formal vote to merge
> >>> feature branch YARN-5355 [2] (Timeline Service v.2) to trunk. The vote
> >>> will
> >>> run for 7 days, and will end August 29 11:00 PM PDT.
> >>>
> >>> We have previously completed one merge onto trunk [3] and Timeline
> Service
> >>> v2 has been part of Hadoop release 3.0.0-alpha1.
> >>>
> >>> Since then, we have been working on extending the capabilities of
> Timeline
> >>> Service v2 in a feature branch [2] for a while, and we are reasonably
> >>> confident that the state of the feature meets the criteria to be merged
> >>> onto trunk and we'd love folks to get their hands on it in a test
> capacity
> >>> and provide valuable feedback so that we can make it production-ready.
> >>>
> >>> In a nutshell, Timeline Service v.2 delivers significant scalability
> and
> >>> usability improvements based on a new architecture. What we would like
> to
> >>> merge to trunk is termed "alpha 2" (milestone 2). The feature has a
> >>> complete end-to-end read/write flow with security and read level
> >>> authorization via whitelists. You should be able to start setting it up
> >>> and
> >>> testing it.
> >>>
> >>> At a high level, the following are the key features that have been
> >>> implemented since alpha1:
> >>> - Security via Kerberos Authentication and delegation tokens
> >>> - Read side simple authorization via whitelist
> >>> - Client configurable entity sort ordering
> >>> - Richer REST APIs for apps, app attempts, containers, fetching
> metrics by
> >>> timerange, pagination, sub-app entities
> >>> - Support for storing sub-application entities (entities that exist
> >>> outside
> >>> the scope of an application)
> >>> - Configurable TTLs (time-to-live) for tables, configurable table
> >>> prefixes,
> >>> configurable hbase cluster
> >>> - Flow level aggregations done as dynamic (table level) coprocessors
> >>> - Uses latest stable HBase release 1.2.6
> >>>
> >>> There are a total of 82 subtasks that were completed as part of this
> >>> effort.
> >>>
> >>> We paid close attention to ensure that once disabled Timeline Service
> v.2
> >>> does not impact existing functionality when disabled (by default).
> >>>
> >>> Special thanks to a team of folks who worked hard and contributed
> towards
> >>> this effort with patches, reviews and guidance: Rohith Sharma K S,
> Varun
> >>> Saxena, Haibo Chen, Sangjin Lee, Li Lu, Vinod Kumar Vavilapalli, Joep
> >>> Rottinghuis, Jason Lowe, Jian He, Robert Kanter, Micheal Stack.
> >>>
> >>> Regards,
> >>> Vrushali
> >>>
> >>> [1] http://www.mail-archive.com/yarn-dev@hadoop.apache.org/
> msg27383.html
> >>> [2] https://issues.apache.org/jira/browse/YARN-5355
> >>> [3] https://issues.apache.org/jira/browse/YARN-2928
> >>> [4] https://github.com/apache/hadoop/commits/YARN-5355
> >>>
> >>
> >>
>
>
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