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From Jonathan Hsieh <...@cloudera.com>
Subject Re: [VOTE] Merge branch hbase-11339 HBase MOB to trunk
Date Tue, 21 Jul 2015 07:44:18 GMT
+1.  Good stuff JingCheng.

When you declare the vote has passed, I'll help merge this into trunk for
you.

Jon.

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.
> >>
> >
> >
>



-- 
// Jonathan Hsieh (shay)
// HBase Tech Lead, Software Engineer, Cloudera
// jon@cloudera.com // @jmhsieh

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