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From Andrew Purtell <apurt...@apache.org>
Subject Re: Planning for HBase 2.0
Date Tue, 08 Sep 2015 05:01:03 GMT
I filed HBASE-14379 as an umbrella to collect work for a "Replication V2"
effort. The umbrella has a summary of principles and goals from the
discussion at the recent dev meetup and a survey of open replication
related issues.


On Mon, Sep 7, 2015 at 9:42 PM, Matteo Bertozzi <theo.bertozzi@gmail.com>
wrote:

> on my list there are mainly major changes.
> HBASE-13153 seems small enough that may also be considered for a branch-1.
>
> it will take at least 3 months to have a branch-2,
> I don't want this thread to end up pointing out all minor jiras.
> so, my rule is: if it is not a major architectural change and people +1 it,
> it is in.
>
> Matteo
>
>
> On Mon, Sep 7, 2015 at 9:14 PM, Ted Yu <yuzhihong@gmail.com> wrote:
>
> > Design for the following is being finalized:
> > HBASE-13153 enable bulkload to support replication
> >
> > Do you think it should be included ?
> >
> > Cheers
> >
> > On Mon, Sep 7, 2015 at 8:42 PM, Matteo Bertozzi <mbertozzi@apache.org>
> > wrote:
> >
> > > Hey folks,
> > >
> > > my list for 2.0 looks quite full, but I'm probably missing something.
> > >
> > > main point is probably that we want to be rolling upgradable.
> > > a direct rolling upgrade may be not easy, so the option is to do it in
> > two
> > > phases.
> > > more or less: "after all the machines are on the new version trigger an
> > > update" (the new AM can help with it)
> > >
> > >  * HBASE-14350 New Assignment Manager (based on proc-v2)
> > >  * Table Descriptor is not compatible with branch-1 due to HBASE-7767
> > >  ** this may be reverted/removed/fixed with the new AM
> > >  * HBASE-11425 Off heaping read path. write path?
> > >  * HBASE-14090 redofs, fix 1M region. file moving around and so on
> > >  * HBASE-14123 HBase Backups
> > >  * Replication
> > >  ** move znodes to replication table
> > >  ** speedup replication by streaming data
> > >  ** ability to run an endpoint as "user" and receive only "user"
> events?
> > >  * HBASE-13936 Dynamic configuration
> > >  * HBASE-14070 HLC, was mentioned for branch-1. but maybe we can try to
> > get
> > > seqid merged?
> > >
> > > Other stuff like the C++ client from facebook, or improvement to the
> > > Lawlor’s scanner work, spark integration, missing proc-v2 conversion
> and
> > > more can probably make it in a branch-1.
> > >
> > > cutting a branch-2 will probably happen when we have the new AM, but we
> > > will see how things evolve.
> > >
> > > Anything else folks want to see called out?
> > >
> >
>



-- 
Best regards,

   - Andy

Problems worthy of attack prove their worth by hitting back. - Piet Hein
(via Tom White)

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