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From Andrew Purtell <apurt...@apache.org>
Subject Re: The 3rd HBase 0.98.0 release candidate (RC2) is available for download
Date Fri, 07 Feb 2014 06:24:04 GMT
I am informed that the link to RC2 sent in the announcement is actually a
link to RC1 displaying as "...RC2". Try the below link instead:


On Thursday, February 6, 2014, Andrew Purtell <apurtell@apache.org> wrote:

> The 3rd HBase 0.98.0 release candidate (RC2) is available for download at
> http://people.apache.org/~apurtell/0.98.0RC2/<http://people.apache.org/~apurtell/0.98.0RC1/>
> Maven artifacts are also available in the temporary repository
> https://repository.apache.org/content/repositories/orgapachehbase-1005<https://repository.apache.org/content/repositories/orgapachehbase-1003>
> Signed with my code signing key D5365CCD.
> HBase 0.98.0 is the next major release after HBase 0.96. It is expected to
> be wire compatible with HBase 0.96, so clients and servers mixed between
> these versions will seamlessly interoperate, provided new features
> available in 0.98 are not enabled. However, the HBase 0.98.0 release is not
> intended to be binary compatible at the Java API level with any HBase 0.96
> release or earlier. You may need to recompile applications which reference
> the HBase JARs. Users of HBase 0.94 will have to perform an offline data
> migration procedure during upgrade. Consult the HBase Online Manual for
> more information. It is not necessary to migrate data from 0.94 to 0.98
> through 0.96, you can upgrade from 0.94 to 0.98 directly if desired
> following the same procedure for upgrading from 0.94 to 0.96.
> This release includes several new security features like per-cell
> visibility labels, per-cell ACLs, transparent encryption, and related
> changes to the coprocessor framework. Please see the Security section of
> the HBase Online Manual for more information. There are significant
> performance improvements, such as a change to the write ahead log (WAL)
> threading model that provides higher transaction throughput under high
> load, reverse scanners, MapReduce over snapshot files, and striped
> compaction. The list of changes in this release can be found here:
> https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12310753&version=12323143
> Please try out the candidate and vote +1/-1 by midnight Pacific Time
> (00:00 -0800 GMT) on February 13 on whether or not we should release this
> as 0.98.0.

Best regards,

   - Andy

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

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