On Wed, Feb 12, 2014 at 2:43 PM, Jean-Daniel Cryans <[email protected]>wrote:
> everything looks good except for the annoying "Failed to retrieve > nio.BufferPool direct MemoryUsed" debug line... > That was introduced on HBASE-10116. It only impacts JDK6, as that version of the JDK doesn't export this bean. I can look into suppressing the warning when JDK6 is detected if you'd like (though I thought this version was a dying breed); certainly shouldn't sink the RC. Maybe a cleanup for 1.0? If it bothers you greatly, please file a ticket, assign to me. -n On Thu, Feb 6, 2014 at 6:14 PM, Andrew Purtell <[email protected]> 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/> > > and > > 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) > > >
