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From Ted Yu <yuzhih...@gmail.com>
Subject Re: [ANNOUNCE] Apache HBase 0.98.0 is now available for download
Date Mon, 17 Feb 2014 10:47:12 GMT
The list if changes can be found toward the bottom of this announcement:
http://search-hadoop.com/m/DHED4o0A1G/Hbase+0.98.0+RC2&subj=Re+The+3rd+HBase+0+98+0+release+candidate+RC2+is+available+for+download

On Feb 17, 2014, at 4:15 AM, Jean-Marc Spaggiari <jean-marc@spaggiari.org> wrote:

> Hi,
> 
> There is a CHANGES.txt file into the archive, but it doesn't seems to be
> accurate. You will be able to retrieve the list of fixed JIRAs by filtering
> them from the jira web site using the version.
> 
> JM
> 
> 
> 2014-02-17 3:06 GMT-05:00 YouPeng Yang <yypvsxf19870706@gmail.com>:
> 
>> Hi
>>  Glad to be informed .
>>  Are there any CHANGES docs about the HBase-0.98 ?
>> 
>> Regards
>> 
>> 
>> 2014-02-17 9:48 GMT+08:00 Andrew Purtell <apurtell@apache.org>:
>> 
>>> hbase-0.98.0 is now available for download [0] from the Apache mirrors
>> and
>>> its artifacts are available in the Apache Maven repository.
>>> 
>>> Apache HBase is a scalable, distributed data store that runs atop Apache
>>> Hadoop.
>>> 
>>> HBase 0.98.0 is the next major release after HBase 0.96.
>>> 
>>> This release includes several new security features like cell visibility
>>> labels, cell ACLs, and transparent server side encryption. Please see the
>>> Security section of the HBase Online Manual [1] for more information.
>> There
>>> are significant performance improvements, such as a change to the write
>>> ahead log threading model that provides higher transaction throughput
>> under
>>> high load, reverse scanners, MapReduce over snapshot files, and striped
>>> compaction. The complete list of changes in this release can be found in
>>> the release notes. [2]
>>> 
>>> HBase 0.98 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 [1] 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.
>>> 
>>> Thanks to all who contributed to this release.
>>> 
>>> At your service,
>>> The HBase dev team
>>> 
>>> 0. http://www.apache.org/dyn/closer.cgi/hbase/
>>> 1. https://hbase.apache.org/book/book.html
>>> 2. http://goo.gl/y25W2h
>> 

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