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From lars hofhansl <la...@apache.org>
Subject Re: [VOTE] The 1st hbase 0.94.15 release candidate is available for download
Date Thu, 19 Dec 2013 20:57:52 GMT

- unpacked
- checked docs
- ran IntegrationTestBigLinkedList and IntegrationTestLoadAndVerify in local mode many times
- loaded 100m rows, scanned, flushed, scanned, compacted, scanned. All good
- did various performance tests, no regressions
- tested with both JDK6 and JDK7

 From: lars hofhansl <larsh@apache.org>
To: hbase-dev <dev@hbase.apache.org> 
Sent: Wednesday, December 18, 2013 3:59 PM
Subject: [VOTE] The 1st hbase 0.94.15 release candidate is available for download

The 1st 0.94.15 RC is available for download at http://people.apache.org/~larsh/hbase-0.94.15-rc0/
Signed with my code signing key: C7CFE328

HBase 0.94.15 is a bug fix release along with some performance improvements:
    [HBASE-7886] - [replication] hlog zk node will not be deleted if client roll hlog
    [HBASE-9485] - TableOutputCommitter should implement recovery if we don't want jobs
to start from 0 on RM restart
    [HBASE-9995] - Not stopping ReplicationSink when using custom implementation for the
    [HBASE-10014] - HRegion#doMiniBatchMutation rollbacks the memstore even if there is
nothing to rollback.
    [HBASE-10015] - Replace intrinsic locking with explicit locks in StoreScanner
    [HBASE-10026] - HBaseAdmin#createTable could fail if region splits too fast
    [HBASE-10046] - Unmonitored HBase service could accumulate Status objects and OOM
    [HBASE-10057] - TestRestoreFlushSnapshotFromClient and TestRestoreSnapshotFromClient
fail to finish occasionally
    [HBASE-10061] - TableMapReduceUtil.findOrCreateJar calls updateMap(null, ) resulting
in thrown NPE
    [HBASE-10064] - AggregateClient.validateParameters can throw NPE
    [HBASE-10089] - Metrics intern table names cause eventual permgen OOM in 0.94
    [HBASE-10111] - Verify that a snapshot is not corrupted before restoring it
    [HBASE-10112] - Hbase rest query params for maxVersions and maxValues are not parsed
    [HBASE-10117] - Avoid synchronization in HRegionScannerImpl.isFilterDone
    [HBASE-10120] - start-hbase.sh doesn't respect --config in non-distributed mode
    [HBASE-10179] - HRegionServer underreports readRequestCounts by 1 under certain conditions
    [HBASE-10181] - HBaseObjectWritable.readObject catches DoNotRetryIOException and wraps
it back in a regular IOException
    [HBASE-9931] - Optional setBatch for CopyTable to copy large rows in batches
    [HBASE-10001] - Add a coprocessor to help testing the performances without taking into
account the i/o
    [HBASE-10007] - PerformanceEvaluation: Add sampling and latency collection to randomRead
    [HBASE-10010] - eliminate the put latency spike on the new log file beginning
    [HBASE-10048] - Add hlog number metric in regionserver
    [HBASE-10049] - Small improvments in region_mover.rb
    [HBASE-10093] - Unregister ReplicationSource metric bean when the replication source
thread is terminated
    [HBASE-9047] - Tool to handle finishing replication when the cluster is offline
    [HBASE-10119] - Allow HBase coprocessors to clean up when they fail
    [HBASE-9927] - ReplicationLogCleaner#stop() calls HConnectionManager#deleteConnection()
    [HBASE-9986] - Incorporate HTTPS support for HBase (0.94 port)
    [HBASE-10058] - Test for HBASE-9915 (avoid reading index blocks)
    [HBASE-10189] - Intermittent TestReplicationSyncUpTool failure

The list of changes is also available here: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12310753&version=12325559

Here're the jenkins runs for this RC: https://builds.apache.org/job/HBase-0.94.15/2/ and https://builds.apache.org/job/HBase-0.94.15-security/1/

Please try out the RC, check out the doc, take it for a spin, etc, and vote +1/-1 by EOD December
27th on whether we should release this as 0.94.15. (9 days because of the holidays)


-- Lars
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