Hey, I agree. Was to enthusiast about this new release that I skipped it
was only a dev release ;)

2014-09-22 13:25 GMT-04:00 Andrew Purtell <[email protected]>:

> I think we should not announce developer preview releases on such a
> general list. But the occasion of the first 1.0 release should be sent
> everywhere possible!
>
> On Sun, Sep 21, 2014 at 7:44 PM, Enis Söztutar <[email protected]> wrote:
> > Do you think is it worth the anounce? The release is not intended for
> > general usage but for testing.
> >
> > Enis
> >
> > On Sun, Sep 21, 2014 at 4:52 PM, Jean-Marc Spaggiari <
> > [email protected]> wrote:
> >
> >> Cool!!! First 0.99 is out!! It's the first stone for the road to 1.0...
> >>
> >> Enis, any concern if I relay the announcement you will send yo the
> Apache
> >> Announce mailing list?
> >>
> >> JM
> >> Le 2014-09-21 19:45, "Enis Söztutar" <[email protected]> a écrit :
> >>
> >> > The vote passed with 4 +1s. Although there are known problems in
> perf, I
> >> > will continue with the release flow since this is a non-production
> >> release.
> >> > The reason we are doing this release is to encourage more testing and
> >> > finding out issues.
> >> >
> >> > I will send out announcement after 24 hours. Thanks everyone who have
> >> > tested and voted.
> >> >
> >> > Enis
> >> >
> >> > On Sun, Sep 21, 2014 at 5:27 AM, Jean-Marc Spaggiari <
> >> > [email protected]> wrote:
> >> >
> >> > > 1) Confirmed. 2nd run gave similar results.
> >> > > 2) Checked the logs and so far, nothing wrong. Looking at the
> >> > > FilteredScanTest code now.
> >> > >
> >> > > Opened HBASE-12040 and HBASE-12042
> >> > >
> >> > > 2014-09-21 7:48 GMT-04:00 Jean-Marc Spaggiari <
> [email protected]
> >> >:
> >> > >
> >> > > > Sorry, was HTML formated.
> >> > > > 0.98.3 => 0,25
> >> > > > 0.98.4 => 0,25
> >> > > > 0.98.5 => 67,34
> >> > > > 0.98.6 => 67,49
> >> > > > 0.99.0 => 0,63
> >> > > >
> >> > > > On my todo:
> >> > > > 1) Get updated numbers from 0.99.0
> >> > > > 2) Take a look at the test code to make sure it still test the
> same
> >> > > thing.
> >> > > > 3) Re-run 0.98.4 and 0.98.5
> >> > > >
> >> > > >
> >> > > > JM
> >> > > >
> >> > > > 2014-09-20 23:01 GMT-04:00 Ted Yu <[email protected]>:
> >> > > >
> >> > > > J-M:
> >> > > >> Can you reformat the numbers below - it is hard to read.
> >> > > >> Maybe put them in multiple rows.
> >> > > >>
> >> > > >> On Sat, Sep 20, 2014 at 7:55 PM, Jean-Marc Spaggiari <
> >> > > >> [email protected]> wrote:
> >> > > >>
> >> > > >> > I looked a bit closer to the numbers. Just for FilteredScanTest
> >> for
> >> > > now.
> >> > > >> >
> >> > > >> > Here are the results for the few last versions. Is it possible
> >> that
> >> > > >> > something went into 0.98.5 but not into 0.99?
> >> > > >> >
> >> > > >> > 0.98.30.98.40.98.50.98.60.99.00,250,2567,3467,490,63
> >> > > >> > I will re-run for 0.98.4 and 0.98.6. Numbers for 0.99.0 are
> >> already
> >> > > >> from my
> >> > > >> > 2nd run.
> >> > > >> >
> >> > > >> > JM
> >> > > >> >
> >> > > >> > 2014-09-20 14:28 GMT-04:00 Jean-Marc Spaggiari <
> >> > > [email protected]
> >> > > >> >:
> >> > > >> >
> >> > > >> > > Sure. I will. I will also update the numbers as soon as I
> have
> >> the
> >> > > new
> >> > > >> > > one. Will also run some other perfs tests to compare with
> 0.98.
> >> > > >> > >
> >> > > >> > > JM
> >> > > >> > >
> >> > > >> > > 2014-09-20 14:02 GMT-04:00 Enis Söztutar <[email protected]
> >:
> >> > > >> > >
> >> > > >> > > Agreed. Will be good to fix it in 0.99.1.
> >> > > >> > >>
> >> > > >> > >> On Saturday, September 20, 2014, Stack <[email protected]>
> >> wrote:
> >> > > >> > >>
> >> > > >> > >> > JMS file blocker against 0.99.1?
> >> > > >> > >> > Good work boss
> >> > > >> > >> > Stack
> >> > > >> > >> > On Sep 19, 2014 7:00 PM, "Jean-Marc Spaggiari" <
> >> > > >> > [email protected]
> >> > > >> > >> > <javascript:;>>
> >> > > >> > >> > wrote:
> >> > > >> > >> >
> >> > > >> > >> > > Sorry, here is the destination:
> >> > > >> > >> > >
> >> > > >> > >> > >
> >> > > >> > >> > >
> >> > > >> > >> >
> >> > > >> > >>
> >> > > >> >
> >> > > >>
> >> > >
> >> >
> >>
> https://docs.google.com/spreadsheets/d/1yo-A-f4tjchdT9R-hkh6CkcXrbBHG_K2Y_ptF9QPT1Q/edit?usp=sharing
> >> > > >> > >> > >
> >> > > >> > >> > > 2014-09-19 21:55 GMT-04:00 Andrew Purtell <
> >> > [email protected]
> >> > > >> > >> > <javascript:;>>:
> >> > > >> > >> > >
> >> > > >> > >> > > > On Fri, Sep 19, 2014 at 6:44 PM, Jean-Marc Spaggiari
> >> > > >> > >> > > > <[email protected] <javascript:;>> wrote:
> >> > > >> > >> > > > > Results are there: http://tiny.cloudera.com/sjeyn
> >> > > >> > >> > > >
> >> > > >> > >> > > > I get "Access not possible"
> >> > > >> > >> > > >
> >> > > >> > >> > > > On Fri, Sep 19, 2014 at 6:44 PM, Jean-Marc Spaggiari
> >> > > >> > >> > > > <[email protected] <javascript:;>> wrote:
> >> > > >> > >> > > > > UniformRandomReadBenchmark is not working anymore:
> >> > > >> > >> > > > >
> >> > > >> > >> > > > > 2014-09-19 05:18:54,719 INFO  [0]
> >> > > >> > >> hbase.HFilePerformanceEvaluation:
> >> > > >> > >> > > > Running
> >> > > >> > >> > > > > UniformRandomReadBenchmark for 1000000 rows.
> >> > > >> > >> > > > > 2014-09-19 05:18:54,719 INFO  [0] hfile.CacheConfig:
> >> > > >> > >> > > CacheConfig:disabled
> >> > > >> > >> > > > > Exception in thread "0" java.lang.AssertionError:
> >> > Expected
> >> > > >> > >> 0000472128
> >> > > >> > >> > > but
> >> > > >> > >> > > > > got 0000472127
> >> > > >> > >> > > > >         at
> >> > > >> > >> > > > >
> >> > > >> > >> > > >
> >> > > >> > >> > >
> >> > > >> > >> >
> >> > > >> > >>
> >> > > >> >
> >> > > >>
> >> > >
> >> >
> >>
> org.apache.hadoop.hbase.PerformanceEvaluationCommons.assertKey(PerformanceEvaluationCommons.java:50)
> >> > > >> > >> > > > >         at
> >> > > >> > >> > > > >
> >> > > >> > >> > > >
> >> > > >> > >> > >
> >> > > >> > >> >
> >> > > >> > >>
> >> > > >> >
> >> > > >>
> >> > >
> >> >
> >>
> org.apache.hadoop.hbase.PerformanceEvaluationCommons.assertKey(PerformanceEvaluationCommons.java:45)
> >> > > >> > >> > > > >         at
> >> > > >> > >> > > > >
> >> > > >> > >> > > >
> >> > > >> > >> > >
> >> > > >> > >> >
> >> > > >> > >>
> >> > > >> >
> >> > > >>
> >> > >
> >> >
> >>
> org.apache.hadoop.hbase.HFilePerformanceEvaluation$UniformRandomReadBenchmark.doRow(HFilePerformanceEvaluation.java:295)
> >> > > >> > >> > > > >         at
> >> > > >> > >> > > > >
> >> > > >> > >> > > >
> >> > > >> > >> > >
> >> > > >> > >> >
> >> > > >> > >>
> >> > > >> >
> >> > > >>
> >> > >
> >> >
> >>
> org.apache.hadoop.hbase.HFilePerformanceEvaluation$RowOrientedBenchmark.run(HFilePerformanceEvaluation.java:169)
> >> > > >> > >> > > > >         at
> >> > > >> > >> > > > >
> >> > > >> > >> > > >
> >> > > >> > >> > >
> >> > > >> > >> >
> >> > > >> > >>
> >> > > >> >
> >> > > >>
> >> > >
> >> >
> >>
> org.apache.hadoop.hbase.HFilePerformanceEvaluation.runBenchmark(HFilePerformanceEvaluation.java:121)
> >> > > >> > >> > > > >         at
> >> > > >> > >> > > > >
> >> > > >> > >> > > >
> >> > > >> > >> > >
> >> > > >> > >> >
> >> > > >> > >>
> >> > > >> >
> >> > > >>
> >> > >
> >> >
> >>
> org.apache.hadoop.hbase.HFilePerformanceEvaluation$2.run(HFilePerformanceEvaluation.java:87)
> >> > > >> > >> > > > >         at java.lang.Thread.run(Thread.java:744)
> >> > > >> > >> > > > >
> >> > > >> > >> > > > > Also, on the performance side, I got very strange
> >> > results.
> >> > > >> > >> > > > >
> >> > > >> > >> > > > > Some tests are as fast as 0.98.6, some are WAY
> >> slower...
> >> > > >> > >> > > > >
> >> > > >> > >> > > > > Results are there: http://tiny.cloudera.com/sjeyn I
> >> will
> >> > > >> > restart
> >> > > >> > >> the
> >> > > >> > >> > > > tests
> >> > > >> > >> > > > > tomorrow and get new numbers by mid next week.
> >> > > >> > >> > > > >
> >> > > >> > >> > > > > Appart from that, it works. And since it's a dev
> >> release,
> >> > > >> I'm +1
> >> > > >> > >> with
> >> > > >> > >> > > it.
> >> > > >> > >> > > > >
> >> > > >> > >> > > > > JM
> >> > > >> > >> > > > >
> >> > > >> > >> > > > > 2014-09-19 21:28 GMT-04:00 Andrew Purtell <
> >> > > >> [email protected]
> >> > > >> > >> > <javascript:;>>:
> >> > > >> > >> > > > >
> >> > > >> > >> > > > >> +1
> >> > > >> > >> > > > >>
> >> > > >> > >> > > > >> Checked file sums and signature
> >> > > >> > >> > > > >> Unpacked tarball, looked at directory layout
> >> > > >> > >> > > > >> Started up a minicluster in tree, did a quick
> ingest
> >> > test,
> >> > > >> it
> >> > > >> > >> > > succeeded
> >> > > >> > >> > > > >>
> >> > > >> > >> > > > >>
> >> > > >> > >> > > > >> On Tue, Sep 16, 2014 at 1:52 PM, Enis Söztutar <
> >> > > >> > [email protected]
> >> > > >> > >> > <javascript:;>>
> >> > > >> > >> > > wrote:
> >> > > >> > >> > > > >> > I am very happy to say that the second HBase
> 0.99.0
> >> > > >> release
> >> > > >> > >> > > candidate
> >> > > >> > >> > > > >> (RC1)
> >> > > >> > >> > > > >> > is
> >> > > >> > >> > > > >> > available for download at
> >> > > >> > >> > > > >> https://people.apache.org/~enis/hbase-0.99.0RC1/
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Maven artifacts are also available in the
> temporary
> >> > > >> > repository
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > >
> >> > > >> > >> >
> >> > > >> >
> >> > >
> >> https://repository.apache.org/content/repositories/orgapachehbase-1039/
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Signed with my code signing key E964B5FF. Can be
> >> found
> >> > > >> here:
> >> > > >> > >> > > > >> >
> https://people.apache.org/keys/committer/enis.asc
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Signed tag in the repository can be found here:
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >>
> >> > > >> > >> > > >
> >> > > >> > >> > >
> >> > > >> > >> >
> >> > > >> > >>
> >> > > >> >
> >> > > >>
> >> > >
> >> >
> >>
> https://git-wip-us.apache.org/repos/asf?p=hbase.git;a=tag;h=336a63b5f58bb1c4859e3c2b6a2f5c0d68a7d9e1
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > NOTE IN GIGANTIC LETTERS THAT THIS IS A DEVELOPER
> >> > > RELEASE.
> >> > > >> > >> > > > >> > DO NOT USE THIS RELEASE IN PRODUCTION.
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > HBase 0.99.0 is a "developer preview" release,
> and
> >> an
> >> > > >> > >> odd-numbered
> >> > > >> > >> > > > >> release
> >> > > >> > >> > > > >> > as
> >> > > >> > >> > > > >> > defined in
> >> > > >> > >> > > > >>
> >> > > >> https://hbase.apache.org/book/upgrading.html#hbase.versioning.
> >> > > >> > >> > > > >> > This release IS NOT intended for production use,
> and
> >> > > does
> >> > > >> not
> >> > > >> > >> > > contain
> >> > > >> > >> > > > any
> >> > > >> > >> > > > >> > backwards or forwards compatibility guarantees
> (even
> >> > > >> within
> >> > > >> > >> minor
> >> > > >> > >> > > > >> versions
> >> > > >> > >> > > > >> > 0.99.x). Please refrain from deploying this over
> >> > > important
> >> > > >> > >> data.
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > 0.99.0 release is provided from branch-1, which
> will
> >> > be
> >> > > >> the
> >> > > >> > >> basis
> >> > > >> > >> > > for
> >> > > >> > >> > > > >> > HBase-1.0
> >> > > >> > >> > > > >> > release. A few 0.99.x releases are planned before
> >> 1.0.
> >> > > The
> >> > > >> > >> reason
> >> > > >> > >> > > for
> >> > > >> > >> > > > >> > doing a developer preview release is to get more
> >> > testing
> >> > > >> for
> >> > > >> > >> the
> >> > > >> > >> > > > branch-1
> >> > > >> > >> > > > >> > code
> >> > > >> > >> > > > >> > that will be released soon as HBase-1.0.0. Thus,
> all
> >> > > >> > >> contribution
> >> > > >> > >> > in
> >> > > >> > >> > > > >> terms
> >> > > >> > >> > > > >> > of
> >> > > >> > >> > > > >> > testing, benchmarking, checking API / source
> /wire
> >> > > >> > >> compatibility,
> >> > > >> > >> > > > >> checking
> >> > > >> > >> > > > >> > out
> >> > > >> > >> > > > >> > documentation and further code contribution is
> >> highly
> >> > > >> > >> appreciated.
> >> > > >> > >> > > 1.0
> >> > > >> > >> > > > >> will
> >> > > >> > >> > > > >> > be
> >> > > >> > >> > > > >> > the first series in the 1.x line of releases
> which
> >> are
> >> > > >> > >> expected to
> >> > > >> > >> > > > keep
> >> > > >> > >> > > > >> > compatibility with previous 1.x releases. Thus
> it is
> >> > > very
> >> > > >> > >> > important
> >> > > >> > >> > > to
> >> > > >> > >> > > > >> > check
> >> > > >> > >> > > > >> > the client side and server side APIs for
> >> compatibility
> >> > > and
> >> > > >> > >> > > > >> maintainability
> >> > > >> > >> > > > >> > concerns for future releases.
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > 0.99.0 contains slightly more than 1K issues
> >> resolved
> >> > > with
> >> > > >> > many
> >> > > >> > >> > > > >> > improvements
> >> > > >> > >> > > > >> > and bug fixes. The theme of (eventual) 1.0
> release
> >> is
> >> > to
> >> > > >> > >> become a
> >> > > >> > >> > > > stable
> >> > > >> > >> > > > >> > base
> >> > > >> > >> > > > >> > for future 1.x series of releases. 1.0 release
> will
> >> > aim
> >> > > to
> >> > > >> > >> achieve
> >> > > >> > >> > > at
> >> > > >> > >> > > > >> least
> >> > > >> > >> > > > >> > the same level of stability of 0.98 releases
> without
> >> > > >> > >> introducing
> >> > > >> > >> > too
> >> > > >> > >> > > > many
> >> > > >> > >> > > > >> > new
> >> > > >> > >> > > > >> > features.
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Some work has been under way to clearly mark and
> >> > > >> > differentiate
> >> > > >> > >> > > client
> >> > > >> > >> > > > >> > facing
> >> > > >> > >> > > > >> > APIs, and redefine some of the client interfaces
> for
> >> > > >> > improving
> >> > > >> > >> > > > semantics,
> >> > > >> > >> > > > >> > easy
> >> > > >> > >> > > > >> > of use and maintainability. 0.99.0 contains some
> of
> >> > the
> >> > > >> > >> completed
> >> > > >> > >> > > > items,
> >> > > >> > >> > > > >> > and
> >> > > >> > >> > > > >> > the rest can be found HBASE-10602.
> Marking/remarking
> >> > of
> >> > > >> > >> interfaces
> >> > > >> > >> > > > with
> >> > > >> > >> > > > >> > InterfaceAudience has also been going on, which
> will
> >> > > >> identify
> >> > > >> > >> > areas
> >> > > >> > >> > > > for
> >> > > >> > >> > > > >> > compatibility (with clients, coprocessors and
> >> > dependent
> >> > > >> > >> projects
> >> > > >> > >> > > like
> >> > > >> > >> > > > >> > Phoenix)
> >> > > >> > >> > > > >> > for future releases.
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Starting with 0.99.0, the HBase master server and
> >> > backup
> >> > > >> > master
> >> > > >> > >> > > > servers
> >> > > >> > >> > > > >> > will
> >> > > >> > >> > > > >> > also act as a region server. RPC port and info
> port
> >> > for
> >> > > >> web
> >> > > >> > UI
> >> > > >> > >> is
> >> > > >> > >> > > > shared
> >> > > >> > >> > > > >> > for
> >> > > >> > >> > > > >> > the master and region server roles. Active master
> >> and
> >> > > >> backup
> >> > > >> > >> > masters
> >> > > >> > >> > > > by
> >> > > >> > >> > > > >> > default
> >> > > >> > >> > > > >> > will NOT be hosting any regions unless configured
> >> > > >> otherwise.
> >> > > >> > >> See
> >> > > >> > >> > > > >> > HBASE-10569
> >> > > >> > >> > > > >> > and HBASE-11604 for more details.
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > This release contains Phase 1 items for
> experimental
> >> > > "Read
> >> > > >> > >> > > > availability
> >> > > >> > >> > > > >> > using
> >> > > >> > >> > > > >> > timeline consistent region replicas" feature. A
> >> region
> >> > > >> can be
> >> > > >> > >> > hosted
> >> > > >> > >> > > > in
> >> > > >> > >> > > > >> > multiple region servers in read-only mode. One of
> >> the
> >> > > >> > replicas
> >> > > >> > >> for
> >> > > >> > >> > > the
> >> > > >> > >> > > > >> > region
> >> > > >> > >> > > > >> > will be primary, accepting writes, and other
> >> replicas
> >> > > >> will be
> >> > > >> > >> > > sharing
> >> > > >> > >> > > > the
> >> > > >> > >> > > > >> > same
> >> > > >> > >> > > > >> > data files. Read requests can be done against any
> >> > > replica
> >> > > >> for
> >> > > >> > >> the
> >> > > >> > >> > > > region
> >> > > >> > >> > > > >> > with
> >> > > >> > >> > > > >> > backup RPCs for high availability with timeline
> >> > > >> consistency
> >> > > >> > >> > > > guarantees.
> >> > > >> > >> > > > >> > More
> >> > > >> > >> > > > >> > information can be found at HBASE-10070.
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Other notable improvements in this release are
> >> > > >> > >> > > > >> >  - Automatic tuning of global memstore and block
> >> cache
> >> > > >> sizes
> >> > > >> > >> > > > >> >  - Various security, tags and visibility labels
> >> > > >> improvements
> >> > > >> > >> > > > >> >  - Bucket cache improvements (usability and
> >> compressed
> >> > > >> data
> >> > > >> > >> > blocks)
> >> > > >> > >> > > > >> >  - A new pluggable replication endpoint to plug
> in
> >> to
> >> > > >> HBase's
> >> > > >> > >> > > > >> inter-cluster
> >> > > >> > >> > > > >> >    replication to replicate to a custom data
> store
> >> > > >> > >> > > > >> >  - A Dockerfile to easily build and run HBase
> from
> >> > > source
> >> > > >> > >> > > > >> >  - Internal refactoring for abstracting away
> >> zookeeper
> >> > > >> usage
> >> > > >> > >> > > > >> >  - Truncate table command
> >> > > >> > >> > > > >> >  - Region assignment to use hbase:meta table
> instead
> >> > of
> >> > > >> > >> zookeeper
> >> > > >> > >> > > for
> >> > > >> > >> > > > >> faster
> >> > > >> > >> > > > >> >    region assignment (disabled by default)
> >> > > >> > >> > > > >> >  - Better support for Cell interface internally
> in
> >> > read
> >> > > >> and
> >> > > >> > >> write
> >> > > >> > >> > > > paths
> >> > > >> > >> > > > >> for
> >> > > >> > >> > > > >> >    better performance and flexibility
> >> > > >> > >> > > > >> >  - Combining internal mvcc and seqId
> infrastructure
> >> > > >> > >> > > > >> >  - Extensive documentation improvements
> >> > > >> > >> > > > >> >  - Numerous improvements in other areas and bug
> >> fixes.
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > The release has these changes in default
> behaviour:
> >> > > >> > >> > > > >> >  - hfile version 3 has been enabled by default
> >> > > >> > >> > > > >> >  - Distributed log replay has been enabled by
> >> default
> >> > > >> > >> > > > >> >  - Slab cache has been removed (use bucket cache
> >> > > instead)
> >> > > >> > >> > > > >> >  - Some client facing APIs (HTableInterface, etc)
> >> has
> >> > > been
> >> > > >> > >> > > deprecated
> >> > > >> > >> > > > and
> >> > > >> > >> > > > >> >    replaced.
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > We have also adopted an orca as the mascot for
> >> Apache
> >> > > >> HBase.
> >> > > >> > >> See
> >> > > >> > >> > it
> >> > > >> > >> > > at
> >> > > >> > >> > > > >> > https://hbase.apache.org/
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Thanks for everybody who have contributed to this
> >> > > release.
> >> > > >> > Full
> >> > > >> > >> > list
> >> > > >> > >> > > > of
> >> > > >> > >> > > > >> the
> >> > > >> > >> > > > >> > issues
> >> > > >> > >> > > > >> > can be found here:
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >>
> >> > > >> > >> > > >
> >> > > >> > >> > >
> >> > > >> > >> >
> >> > > >> > >>
> >> > > >> >
> >> > > >>
> >> > >
> >> >
> >>
> https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12310753&version=12325675
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Compatibility
> >> > > >> > >> > > > >> > -------------
> >> > > >> > >> > > > >> > 0.99.x series of releases are preview of upcoming
> >> 1.0
> >> > > >> > release.
> >> > > >> > >> > > > HBase-1.0
> >> > > >> > >> > > > >> is
> >> > > >> > >> > > > >> > planned to be wire compatible with 0.98.x and
> 0.96.x
> >> > > >> > releases.
> >> > > >> > >> > > Clients
> >> > > >> > >> > > > >> and
> >> > > >> > >> > > > >> > servers running in different versions as long as
> new
> >> > > >> features
> >> > > >> > >> are
> >> > > >> > >> > > not
> >> > > >> > >> > > > >> used
> >> > > >> > >> > > > >> > should be possible.
> >> > > >> > >> > > > >> > A rolling upgrade from 0.98.x clusters to 0.99.0
> is
> >> > > >> supported
> >> > > >> > >> as
> >> > > >> > >> > > well.
> >> > > >> > >> > > > >> > 0.99.0
> >> > > >> > >> > > > >> > introduces a new file format (hfile v3) that is
> >> > enabled
> >> > > by
> >> > > >> > >> default
> >> > > >> > >> > > > that
> >> > > >> > >> > > > >> > 0.96.x code cannot read. Rolling upgrade from
> 0.96
> >> > > >> directly
> >> > > >> > to
> >> > > >> > >> > 0.99
> >> > > >> > >> > > is
> >> > > >> > >> > > > >> not
> >> > > >> > >> > > > >> > tested.
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Direct migration from 0.94.x is also supported
> but
> >> it
> >> > IS
> >> > > >> NOT
> >> > > >> > >> > tested.
> >> > > >> > >> > > > >> Before
> >> > > >> > >> > > > >> > HBase-1.0 we expect to complete the test.
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Binary compatibility at the Java API layer with
> >> > earlier
> >> > > >> > >> versions
> >> > > >> > >> > > > (0.98.x,
> >> > > >> > >> > > > >> > 0.96.x and 0.94.x) is not supported. You may
> have to
> >> > > >> > recompile
> >> > > >> > >> > your
> >> > > >> > >> > > > >> client
> >> > > >> > >> > > > >> > code and any server side code (coprocessors,
> filters
> >> > > etc)
> >> > > >> > >> > referring
> >> > > >> > >> > > to
> >> > > >> > >> > > > >> > hbase jars.
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > 0.99.0 release introduces new APIs, and
> deprecates
> >> > some
> >> > > of
> >> > > >> > >> > > > commonly-used
> >> > > >> > >> > > > >> > client side APIs (HTableInterface, etc). However,
> >> > client
> >> > > >> side
> >> > > >> > >> code
> >> > > >> > >> > > is
> >> > > >> > >> > > > >> > expected
> >> > > >> > >> > > > >> > to be source compatible with earlier versions.
> >> However
> >> > > we
> >> > > >> > >> advise
> >> > > >> > >> > to
> >> > > >> > >> > > > >> update
> >> > > >> > >> > > > >> > your application to use the new style of APIs,
> since
> >> > > >> > deprecated
> >> > > >> > >> > APIs
> >> > > >> > >> > > > >> might
> >> > > >> > >> > > > >> > be removed in future releases (2.x).
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Supported Hadoop versions
> >> > > >> > >> > > > >> > -------------------------
> >> > > >> > >> > > > >> > 0.99.0 release drops support for Hadoop-1.x
> >> releases.
> >> > > Only
> >> > > >> > >> > > Hadoop-2.x
> >> > > >> > >> > > > >> > releases are supported. Hadoop-2.4.x and
> >> Hadoop-2.5.x
> >> > > >> > releases
> >> > > >> > >> are
> >> > > >> > >> > > the
> >> > > >> > >> > > > >> > most tested hadoop releases and we recommend
> running
> >> > > with
> >> > > >> > those
> >> > > >> > >> > > > versions.
> >> > > >> > >> > > > >> > Earlier Hadoop-2 based releases (hadoop-2.2.x and
> >> > 2.3.x)
> >> > > >> are
> >> > > >> > >> not
> >> > > >> > >> > > > tested
> >> > > >> > >> > > > >> to
> >> > > >> > >> > > > >> > the full
> >> > > >> > >> > > > >> > extend. More information can be found here:
> >> > > >> > >> > > > >> >
> >> > https://hbase.apache.org/book/configuration.html#hadoop
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Supported Java versions
> >> > > >> > >> > > > >> > -------------------------
> >> > > >> > >> > > > >> > 0.99.0 release drops support for JDK6. Only JDK7
> is
> >> > > >> > supported.
> >> > > >> > >> > JDK8
> >> > > >> > >> > > > >> support
> >> > > >> > >> > > > >> > is experimental. More information can be found
> here:
> >> > > >> > >> > > > >> >
> >> https://hbase.apache.org/book/configuration.html#java
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Voting
> >> > > >> > >> > > > >> > ------
> >> > > >> > >> > > > >> > Please try to test and vote on this release by
> >> > > 09/19/2014
> >> > > >> > >> 11:59PM
> >> > > >> > >> > > PDT.
> >> > > >> > >> > > > >> > This is a developer (beta) release, so we have a
> >> > shorter
> >> > > >> vote
> >> > > >> > >> > time.
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > [] +1 Release the artifacts as 0.99.0
> >> > > >> > >> > > > >> > [] -1 DO NOT release the artifacts as 0.99.0,
> >> > because...
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Thanks for helping to get a stable release out!
> >> > > >> > >> > > > >> >
> >> > > >> > >> > > > >> > Enis
> >> > > >> > >> > > > >>
> >> > > >> > >> > > > >>
> >> > > >> > >> > > > >>
> >> > > >> > >> > > > >> --
> >> > > >> > >> > > > >> Best regards,
> >> > > >> > >> > > > >>
> >> > > >> > >> > > > >>    - Andy
> >> > > >> > >> > > > >>
> >> > > >> > >> > > > >> Problems worthy of attack prove their worth by
> hitting
> >> > > >> back. -
> >> > > >> > >> Piet
> >> > > >> > >> > > > >> Hein (via Tom White)
> >> > > >> > >> > > > >>
> >> > > >> > >> > > >
> >> > > >> > >> > > >
> >> > > >> > >> > > >
> >> > > >> > >> > > > --
> >> > > >> > >> > > > Best regards,
> >> > > >> > >> > > >
> >> > > >> > >> > > >    - Andy
> >> > > >> > >> > > >
> >> > > >> > >> > > > Problems worthy of attack prove their worth by hitting
> >> > back.
> >> > > -
> >> > > >> > Piet
> >> > > >> > >> > > > Hein (via Tom White)
> >> > > >> > >> > > >
> >> > > >> > >> > >
> >> > > >> > >> >
> >> > > >> > >>
> >> > > >> > >
> >> > > >> > >
> >> > > >> >
> >> > > >>
> >> > > >
> >> > > >
> >> > >
> >> >
> >>
>
>
>
> --
> Best regards,
>
>    - Andy
>
> Problems worthy of attack prove their worth by hitting back. - Piet
> Hein (via Tom White)
>

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