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From Enis Söztutar <enis....@gmail.com>
Subject Re: First release candidate for HBase 0.99.1 (RC0) is available. Please vote by 10/15/2014
Date Mon, 13 Oct 2014 17:58:33 GMT
I would say it is not critical enough to sink the current RC.

Enis

On Mon, Oct 13, 2014 at 10:39 AM, Stack <stack@duboce.net> wrote:

> Reading the issue, there is no description of what the implications are not
> fixing HBASE-12237. It is marked critical but with no justification as to
> why (HBASE-11118 is a fix for a relatively exotic deploy type).
>
> IMO, no need of a new RC, especially on a dev release.
>
> St.Ack
>
> On Mon, Oct 13, 2014 at 10:31 AM, Ted Yu <yuzhihong@gmail.com> wrote:
>
> > Enis:
> > Do you think a new RC should be made due to HBASE-12237 ?
> >
> > Cheers
> >
> > On Sun, Oct 12, 2014 at 1:53 AM, Enis Söztutar <enis@apache.org> wrote:
> >
> > > The first release candidate for the second release from branch-1, HBase
> > > 0.99.1 RC0, is
> > > available for download at
> > https://people.apache.org/~enis/hbase-0.99.1RC0/
> > >
> > > Maven artifacts are also available in the temporary repository
> > >
> https://repository.apache.org/content/repositories/orgapachehbase-1043/
> > >
> > > 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=1563ccf209d4352a40ddd229d8264d7bfee1904e
> > >
> > > NOTE IN GIGANTIC LETTERS THAT THIS IS A DEVELOPER RELEASE.
> > > DO NOT USE THIS RELEASE IN PRODUCTION.
> > >
> > > HBase 0.99.1 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.
> > >
> > > 0.99.1 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.
> > >
> > > 0.99.1 builds on top of all the changes that is in the 0.99.0 release
> (an
> > > overview can be found at [1]). 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.
> > >
> > > The work to clearly mark and differentiate client facing  APIs, and
> > > redefine
> > > some of the client interfaces for improving semantics, easy of use and
> > > maintainability has continued in 0.99.1 release. Remaining work can
> > > be found in 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.
> > >
> > > 0.99.1 changes some of the behavior for master / region colocation that
> > was
> > > introduced in 0.99.0 (see [1]). Now, the backup masters can no longer
> > host
> > > any regions. And active master can host regions of defined tables if
> > > configured. Otherwise, it will not show up the region server UI similar
> > to
> > > a 0.98 deployment. Though master and region server still shares the
> same
> > > rpc
> > > ports. Details can be found here (HBASE-12034 and HBASE-10569).
> > >
> > > Some other notable improvements in this release are
> > >  - [HBASE-11178] - Remove deprecation annotations from mapred namespace
> > >  - [HBASE-11920] - Add CP hooks for ReplicationEndPoint
> > >  - [HBASE-11997] - CopyTable with bulkload
> > >  - [HBASE-12059] - Create hbase-annotations module
> > >  - [HBASE-11990] - Make setting the start and stop row for a specific
> > > prefix easier
> > >  - [HBASE-12220] - Add hedgedReads and hedgedReadWins metrics
> > >  - [HBASE-12090] - Bytes: more Unsafe, more Faster
> > >  - [HBASE-12032] - Script to stop regionservers via RPC
> > >  - [HBASE-11907] - Use the joni byte[] regex engine in place of
> j.u.regex
> > > in RegexStringComparator
> > >  - [HBASE-11796] - Add client support for atomic checkAndMutate
> > >  - [HBASE-11804] - Raise default heap size if unspecified
> > >  - [HBASE-11890] - HBase REST Client is hard coded to http protocol
> > >  - [HBASE-12126] - Region server coprocessor endpoint
> > >  - [HBASE-12183] - FuzzyRowFilter doesn't support reverse scans
> > >  - [HBASE-12197] - Move REST (create hbase-rest module)
> > >  - Continuation of the cell-based read / write pipeline work for
> > > performance boost
> > >  - Various fixes to REST server
> > >  - Some more documentation improvements
> > >  - Numerous improvements in other areas and bug fixes.
> > >
> > > The release has these changes in default behaviour:
> > >  - default heap for region servers (and master) is changed from 1GB to
> > >    the jdk's default. On most platforms, it will default to 1/4 of
> > physical
> > >    memory
> > >  - mapred package and classes under there has been un-deprecated.
> > >  - two new modules (jar files): hbase-annotations and hbase-rest
> > >  - Slab cache has been removed (use bucket cache instead)
> > >  - Some more client API cleanup.
> > >
> > >
> > > 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=12328551
> > >
> > >
> > > 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 0.99.1 is supported as well.
> > > 0.99.1
> > > 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.x 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.x releases drop 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.x releases drop 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 10/14/2014 11:59PM PDT.
> > > This is a developer (beta) release, so we have a shorter vote time.
> > > [] +1 Release the artifacts as 0.99.1
> > > [] -1 DO NOT release the artifacts as 0.99.1, because...
> > >
> > > Thanks for helping to get a stable release out!
> > >
> > > References
> > > ----------
> > > [1]
> > >
> > >
> >
> https://mail-archives.apache.org/mod_mbox/hbase-dev/201409.mbox/%3CCAMUu0w9Y_+Afw6wW0hA_P8KBEW35B3ncsHbUQAcfndzs8TcMyA@mail.gmail.com%3E
> > >
> > > Enis
> > >
> >
>

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