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From Umesh Agashe <>
Subject Re: [VOTE] First hbase-2.0.0-alpha4 Release Candidate is available
Date Wed, 01 Nov 2017 20:25:42 GMT

Questions/ concerns:

* Staging directory naming convention changed between alpha-3 and alpha-4:

* .gitignore be included in source bundle, can it be dropped?


* Download the src tarball: good.

* Verify the checksums and signature:  good.

* Extract and build from source. openjdk version "1.8.0_131": good.

* Rat check: good.

* Download the bin tarball: good.

*  Verify the checksums and signature: good.

*  Extract it and verify layout visually: good.
* Start a local instance. Run the 'hbase shell' with some basic table commands:

* Run ltt with 10 million rows and 2 columns/ row: good.

* Inspect logs: good.

On Wed, Nov 1, 2017 at 7:17 AM, Stack <> wrote:

> The first release candidate for HBase 2.0.0-alpha4 is up at:
> Maven artifacts are available from a staging directory here:
> All was signed with my key at 8ACC93D2 [1]
> I tagged the RC as 2.0.0-alpha4RC0
> (5c4b985f89c99cc8b0f8515a4097c811a0848835)
> hbase-2.0.0-alpha4 is our fourth alpha release along our march toward
> hbase-2.0.0. It includes all that was in previous alphas (new assignment
> manager, offheap read/write path, in-memory compactions, etc.), but had a
> focus on "Coprocessor Fixup": We no longer pass Coprocessors
> InterfaceAudience.Private parameters and we cut down on the access and
> ability to influence hbase core processing (See [2] on why the radical
> changes in Coprocessor Interface). If you are a Coprocessor developer or
> have Coprocessors to deploy on hbase-2.0.0, we need to hear about your
> experience now before we make an hbase-2.0.0 beta.
> hbase-2.0.0-alpha4 is a rough cut ('alpha'), not-for-production preview of
> what hbase-2.0.0 will look like. It is meant for devs and downstreamers to
> test drive and flag us early if we messed up anything ahead of our rolling
> GAs.
> The list of features addressed in 2.0.0 so far can be found here [3]. There
> are thousands. The list of ~2k+ fixes in 2.0.0 exclusively can be found
> here [4] (My JIRA JQL foo is a bit dodgy -- forgive me if mistakes).
> I've updated our overview doc. on the state of 2.0.0 [6]. 2.0.0-beta-1 will
> be our next release. Its theme is the "Finishing up 2.0.0" release. Here is
> the list of what we have targeted for beta-1 [5]. Check it out. Shout if
> there is anything missing. We may do a 2.0.0-beta-2 if a need. We'll see.
> Please take this alpha for a spin especially if you are a Coprocessor
> developer or have a Coprocessor you want to deploy on hbase-2.0.0. Please
> vote on whether it ok to put out this RC as our first alpha (bar is low for
> an 'alpha' -- e.g. CHANGES.txt has not been updated). Let the VOTE be open
> for 72 hours (Saturday)
> Thanks,
> Your 2.0.0 Release Manager
> 1.
> 2. Why CPs are Incompatible:
> ktczrlKHK8N4SZzs/edit#heading=h.9k7mjbauv0wj
> 3.
> 4.
> 5.
> 6.
> ktczrlKHK8N4SZzs/

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