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From Gary Helmling <ghelml...@gmail.com>
Subject Re: [VOTE] First release candidate for HBase 1.2.4 (RC0) is available
Date Sat, 15 Oct 2016 00:19:38 GMT
I just posted a patch for HBASE-16754 (dropped compaction markers during
log split), which might qualify as a sinker for the RC.  This issue was
introduced by the change in HBASE-15441 (which fixed another log splitting
issue), which went in to 1.2.1.  It's a relatively rare distributed race.
The impact is that at least compactions can't run until the region is
reassigned.  It looks like the code in 1.2 may be slightly different -- I
don't see TestWALSplit for one -- but I think the same issue will apply in
branch-1.2.  I'll look more closely at the impact for the RC, but wanted to
give a heads up.

On Mon, Oct 10, 2016 at 7:58 AM Sean Busbey <busbey@apache.org> wrote:

> The first release candidate for HBase 1.2.4 is available for download at:
> https://dist.apache.org/repos/dist/dev/hbase/hbase-1.2.4RC0/
> Maven artifacts are also available in a staging repository at:
> https://repository.apache.org/content/repositories/orgapachehbase-1155/
> Artifacts are signed with my key (0D80DB7C) published in our KEYS
> file at http://www.apache.org/dist/hbase/KEYS
> The RC corresponds to the signed tag 1.2.4RC0, which currently points
> to commit ref
> 04bd0ec8e4cb2f39e5f787126f9b6645dabf27df
> The detailed source and binary compatibility report vs 1.2.3 has been
> published for your review, at:
> https://dist.apache.org/repos/dist/dev/hbase/hbase-1.2.4RC0/1.2.3_1.2.4RC0_compat_report.html
> HBase 1.2.4 is the fourth patch release in the HBase 1.2 line, continuing
> on
> the theme of bringing a stable, reliable database to the Hadoop and NoSQL
> communities. This release includes about 30 bug fixes since 1.2.3.
> Critical fixes include:
> * HBASE-16340 Xerces implementation jars removed (incompatible change)
> * HBASE-15984 Given failure to parse a given WAL that was closed
> cleanly, replay the WAL.
> * HBASE-16721 Concurrency issue in WAL unflushed seqId tracking
> The full list of fixes included in this release is available at:
> https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12310753&version=12338116
> and in the CHANGES.txt file included in the distribution.
> Please try out this candidate and vote +/-1 by 12:00 Pacific Time on
> Monday, 2016-10-17 as to whether we should release these artifacts
> as HBase 1.2.4.
> thanks!
> -busbey

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