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From lars hofhansl <la...@apache.org>
Subject [ANNOUNCE] The 1st hbase 0.94.9 release candidate is available for download
Date Mon, 24 Jun 2013 22:51:48 GMT
The 1st 0.94.9 RC is available for download at http://people.apache.org/~larsh/hbase-0.94.9-rc0/
Signed with my code signing key: C7CFE328

Like the previous point releases, 0.94.9 is a primarily a bug fix release. This RC is comparatively
small with 26 issues resolved against it:
    [HBASE-8453] - TestImportExport failing again due to configuration issues
    [HBASE-8494] - TestRemoteAdmin#testClusterStatus should not assume 'requests' does
not change
    [HBASE-8522] - Archived hfiles and old hlogs may be deleted immediately by HFileCleaner,
LogCleaner in HMaster
    [HBASE-8555] - FilterList correctness may be affected by random ordering of sub-filter(list)
    [HBASE-8590] - [0.94] BlockingMetaScannerVisitor should check for parent meta entry
while waiting for split daughter
    [HBASE-8639] - Poor performance of htable#getscanner in multithreaded environment due
to DNS.getDefaultHost() being called in ScannerCallable#prepare()
    [HBASE-8640] - ServerName in master may not initialize with the configured ipc address
of hbase.master.ipc.address
    [HBASE-8655] - Backport to 94 - HBASE-8346(Prefetching .META. rows in case only when
useCache is set to true)
    [HBASE-8656] - Rpc call may not be notified in SecureClient
    [HBASE-8671] - Per-region WAL breaks CP backwards compatibility in 0.94 for non-enabled
case
    [HBASE-8684] - Table Coprocessor can't access external HTable by default
    [HBASE-8700] - IntegrationTestBigLinkedList can fail due to random number collision
    [HBASE-8724] - [0.94] ExportSnapshot should not use hbase.tmp.dir as a staging dir
on hdfs
    [HBASE-8742] - HTableDescriptor Properties not preserved when cloning
    [HBASE-8743] - upgrade hadoop-23 version to 0.23.7
    [HBASE-8749] - Potential race condition between FSUtils.renameAndSetModifyTime() and
HFile/LogCleaner
    [HBASE-8762] - Performance/operational penalty when calling HTable.get with a list
of one Get
    [HBASE-8783] - RSSnapshotManager.ZKProcedureMemberRpcs may be initialized with the
wrong server name
    [HBASE-5083] - Backup HMaster should have http infoport open with link to the active
master
    [HBASE-8609] - Make the CopyTable support startRow, stopRow options
    [HBASE-8636] - Backport KeyValue Codec to 0.94 (HBASE-7413)
    [HBASE-8683] - Add major compaction support in CompactionTool
    [HBASE-8692] - [AccessController] Restrict HTableDescriptor enumeration
    [HBASE-8702] - Make WALEditCodec pluggable
    [HBASE-8504] - HTable.getRegionsInRange() should provide a non-cached API
    [HBASE-8603] - Backport HBASE-6921 to 0.94

The full list of changes is also available here: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12310753&version=12324431

Please try out the RC, check out the doc, take it for a spin, etc, and vote +1/-1 by July
2nd on whether we should release this as 0.94.9.

The release testing spreadsheet is available here:
https://docs.google.com/spreadsheet/ccc?key=0AvLqcVIqNtlTdGFHaktDR0FqLWdtQWZwdncyVzE3Z2c#gid=0
(if you test this release, please add your test to this spreadsheet, so that we can gauge
the coverage)

Thanks.

-- Lars

ps. I will likely be without access to the Internet for the next five days

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