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From Matteo Bertozzi <theo.berto...@gmail.com>
Subject Re: [VOTE] Merge branch hbase-11339 HBase MOB to trunk
Date Mon, 20 Jul 2015 22:30:15 GMT
+1

Matteo


On Mon, Jul 20, 2015 at 3:26 PM, Andrew Purtell <apurtell@apache.org> wrote:

> We do have three +1s on this thread which is already sufficient for a
> branch merge unless there is a veto.
>
>
> On Mon, Jul 20, 2015 at 1:53 PM, Ted Yu <yuzhihong@gmail.com> wrote:
>
> > Tuesday July 21 PDT is coming up soon.
> >
> > I noticed that Jingcheng's email has Jon, Annop and Ram's names at the
> > bottom.
> > Does this mean that Jon, Anoop and Ram already gave (implicit) +1 ?
> >
> > Cheers
> >
> > On Fri, Jul 17, 2015 at 3:33 AM, Ted Yu <yuzhihong@gmail.com> wrote:
> >
> > > QA run for HBASE-11339 <
> > https://issues.apache.org/jira/browse/HBASE-11339> is
> > > green.
> > >
> > > IntegrationTestIngestWithMOB has been run which passes.
> > >
> > > +1 on merging to master branch.
> > >
> > > On Fri, Jul 17, 2015 at 2:01 AM, Jingcheng Du <jingcheng.du@intel.com>
> > > wrote:
> > >
> > >> Hi all,
> > >>
> > >> The Moderate Object Storage (MOB) feature (HBASE-11339[1]) is modified
> > I/O
> > >> and compaction path that allows individual moderately sized values
> > >> (100KB-10MB) to be stored so that write amplification is reduced when
> > >> compared to the normal I/O path. MOB is defined in the column family
> > >> and it is almost isolated with other components, the features and
> > >> performance
> > >> cannot be effected in normal columns. A detailed design doc and user
> > guide
> > >> can
> > >> be found on the hbase-11339 jira. The code reside in the feature
> branch
> > >> hbase-11339[2], and now the latest mega patch for trunk is
> > >> available in RB[3].
> > >>
> > >> Jon had brought this in another DISCUSSION thread some days ago. We
> > >> collected
> > >> all the feedbacks there and had tried to incorporate them.
> > >>
> > >> Some improvements, like encryption of mob files, finding
> > >> corrupt mob files and dangling reference cells, have been implemented.
> > >>
> > >> The other point that was discussed is the use of MR for doing the MOB
> > >> compaction in phase-1
> > >> of the implementation. Now the dependency is removed, we have an
> inbuilt
> > >> MOB
> > >> compaction that
> > >> can be run automatically and it does not need MR anymore. Still the MR
> > >> compaction is provided
> > >> as a tool for users.
> > >>
> > >> Considering the fact that the concerns from the discussion thread have
> > >> been
> > >> addressed, we are putting
> > >> the merge to trunk up for a vote.
> > >> [] +1 proceed with merge to trunk.
> > >> [] 0 no opinion
> > >> [] -1 do not merge to trunk, because ...
> > >>
> > >> Our current merge vote policy requires at least 3 +1s from committers
> to
> > >> move forward[4]. The vote runs for 72 hours (the weekends are
> excluded),
> > >> and
> > >> it will be closed at the midnight of
> > >> Tuesday July 21 PDT.
> > >>
> > >> Thanks,
> > >> Jingcheng, Jon, Ram and Anoop.
> > >>
> > >> [1]: https://issues.apache.org/jira/browse/HBASE-11339
> > >> [2]: https://github.com/apache/hbase/tree/hbase-11339
> > >> [3]: https://reviews.apache.org/r/36391/
> > >> [4]: https://hbase.apache.org/book.html#_decisions
> > >>
> > >>
> > >>
> > >> --
> > >> View this message in context:
> > >>
> >
> http://apache-hbase.679495.n3.nabble.com/VOTE-Merge-branch-hbase-11339-HBase-MOB-to-trunk-tp4073308.html
> > >> Sent from the HBase Developer mailing list archive at Nabble.com.
> > >>
> > >
> > >
> >
>
>
>
> --
> Best regards,
>
>    - Andy
>
> Problems worthy of attack prove their worth by hitting back. - Piet Hein
> (via Tom White)
>

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