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From lars hofhansl <la...@apache.org>
Subject Re: [VOTE] The 1st hbase 0.94.18 release candidate is available for download
Date Fri, 21 Mar 2014 21:49:44 GMT
Please have a look folks... :)

-- Lars

 From: lars hofhansl <larsh@apache.org>
To: hbase-dev <dev@hbase.apache.org> 
Sent: Friday, March 14, 2014 11:44 PM
Subject: [VOTE] The 1st hbase 0.94.18 release candidate is available for download

The 1st 0.94.18 RC is available for download at http://people.apache.org/~larsh/hbase-0.94.18-rc0/
Signed with my code signing key: C7CFE328

HBase 0.94.18 is a bug fix release with 26 fixes:
    [HBASE-9708] - Improve Snapshot Name Error Message
    [HBASE-9778] - Add hint to ExplicitColumnTracker to avoid seeking
    [HBASE-10514] - Forward port HBASE-10466, possible data loss when failed flushes
    [HBASE-10549] - When there is a hole, LoadIncrementalHFiles will hang in an infinite
    [HBASE-10575] - ReplicationSource thread can't be terminated if it runs into the loop
to contact peer's zk ensemble and fails continuously
    [HBASE-10583] - backport HBASE-8402 to 0.94 - ScanMetrics depends on number of rpc
calls to the server.
    [HBASE-10594] - Speed up TestRestoreSnapshotFromClient
    [HBASE-10598] - Written data can not be read out because MemStore#timeRangeTracker
might be updated concurrently
    [HBASE-10614] - Master could not be stopped
    [HBASE-10622] - Improve log and Exceptions in Export Snapshot
    [HBASE-10624] - Fix 2 new findbugs warnings introduced by HBASE-10598
    [HBASE-10627] - A logic mistake in HRegionServer isHealthy
    [HBASE-10631] - Avoid extra seek on FileLink open
    [HBASE-10642] - Add M/R over snapshots to 0.94
    [HBASE-10669] - [hbck tool] Usage is wrong for hbck tool for -sidelineCorruptHfiles
    [HBASE-10682] - region_mover.rb throws "can't convert nil into String" for regions
    [HBASE-10712] - Backport HBASE-8304 to 0.94 and 0.96
    [HBASE-10716] - [Configuration]: hbase.regionserver.region.split.policy should be part
of hbase-default.xml
    [HBASE-10718] - TestHLogSplit fails when it sets a KV size to be negative
    [HBASE-10722] - [0.94] HRegion.computeHDFSBlocksDistribution does not account for links
and reference files.
    [HBASE-10731] - Fix environment variables typos in scripts
    [HBASE-10738] - AssignmentManager should shut down executors on stop
    [HBASE-10745] - Access ShutdownHook#fsShutdownHooks should be synchronized
    [HBASE-10751] - TestHRegion testWritesWhileScanning occasional fail since HBASE-10514
went in
    [HBASE-8604] - improve reporting of incorrect peer address in replication
    [HBASE-9914] - Port fix for HBASE-9836 'Intermittent TestRegionObserverScannerOpenHook#testRegionObserverCompactionTimeStacking
failure' to 0.94

Notable is HBASE-10642, which ports MapReduce over HBase table-snapshots to 0.94.

The list of changes is also available here: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12310753&version=12325952

Here're the jenkins runs for this RC: https://builds.apache.org/job/HBase-0.94.18/17/ and

Please try out the RC, check out the doc, take it for a spin, etc, and vote +1/-1 by EOD March
21th on whether we should release this as 0.94.18.


-- Lars
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