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andrew wang <wang@apache.org> in hadoop

HDFS-13719. Docs around dfs.image.transfer.timeout are misleading. Contributed by Kitti Nansi.

(cherry picked from commit 913417bbeab558154fbcc833af54664e7eeba97e)

HDFS-13719. Docs around dfs.image.transfer.timeout are misleading. Contributed by Kitti Nansi.

HDFS-13719. Docs around dfs.image.transfer.timeout are misleading. Contributed by Kitti Nansi.

HDFS-13719. Docs around dfs.image.transfer.timeout are misleading. Contributed by Kitti Nansi.

(cherry picked from commit eecb5baaaaa54599aeae758abd4007e55e5b531f)

HDFS-13719. Docs around dfs.image.transfer.timeout are misleading. Contributed by Kitti Nansi.

(cherry picked from commit eecb5baaaaa54599aeae758abd4007e55e5b531f)

HDFS-13712. BlockReaderRemote.read() logging improvement. Contributed by Gergo Repas.

(cherry picked from commit 344f324710522ffb27852c1a673c4f7d3d6eac4b)

HDFS-13712. BlockReaderRemote.read() logging improvement. Contributed by Gergo Repas.

(cherry picked from commit 344f324710522ffb27852c1a673c4f7d3d6eac4b)

HDFS-13712. BlockReaderRemote.read() logging improvement. Contributed by Gergo Repas.

HADOOP-15554. Improve JIT performance for Configuration parsing. Contributed by Todd Lipcon.

HADOOP-15554. Improve JIT performance for Configuration parsing. Contributed by Todd Lipcon.

HADOOP-15554. Improve JIT performance for Configuration parsing. Contributed by Todd Lipcon.

(cherry picked from commit f51da9c4d1423c2ac92eb4f40e973264e7e968cc)

HDFS-13702. Remove HTrace hooks from DFSClient to reduce CPU usage. Contributed by Todd Lipcon.

(cherry picked from commit 5d748bd056a32f2c6922514cd0c5b31d866a9919)

HDFS-13702. Remove HTrace hooks from DFSClient to reduce CPU usage. Contributed by Todd Lipcon.

HDFS-13702. Remove HTrace hooks from DFSClient to reduce CPU usage. Contributed by Todd Lipcon.

(cherry picked from commit 5d748bd056a32f2c6922514cd0c5b31d866a9919)

HDFS-13703. Avoid allocation of CorruptedBlocks hashmap when no corrupted blocks are hit. Contributed by Todd Lipcon.

(cherry picked from commit 6ba99741086170b83c38d3e7e715d9e8046a1e00)

HDFS-13703. Avoid allocation of CorruptedBlocks hashmap when no corrupted blocks are hit. Contributed by Todd Lipcon.

HDFS-13703. Avoid allocation of CorruptedBlocks hashmap when no corrupted blocks are hit. Contributed by Todd Lipcon.

(cherry picked from commit 6ba99741086170b83c38d3e7e715d9e8046a1e00)

HDFS-13611. Unsafe use of Text as a ConcurrentHashMap key in PBHelperClient.

HDFS-13611. Unsafe use of Text as a ConcurrentHashMap key in PBHelperClient.

(cherry picked from commit c9b63deb533274ca8ef4939f6cd13f728a067f7b)

HDFS-13611. Unsafe use of Text as a ConcurrentHashMap key in PBHelperClient.

(cherry picked from commit c9b63deb533274ca8ef4939f6cd13f728a067f7b)

HDFS-13611. Unsafe use of Text as a ConcurrentHashMap key in PBHelperClient.

(cherry picked from commit c9b63deb533274ca8ef4939f6cd13f728a067f7b)

HDFS-13601. Optimize ByteString conversions in PBHelper.

HDFS-13601. Optimize ByteString conversions in PBHelper.

(cherry picked from commit 1d2640b6132e8308c07476badd2d1482be68a298)

HDFS-13601. Optimize ByteString conversions in PBHelper.

(cherry picked from commit 1d2640b6132e8308c07476badd2d1482be68a298)

(cherry picked from commit d47c0fc39a48dace6c7a2332ee041885cc4bb89c)

Conflicts:

hadoop-hdfs-project/hadoop-hdfs-client/dev-support/findbugsExcludeFile.xml

HDFS-13601. Optimize ByteString conversions in PBHelper.

Update CHANGES, RELEASENOTES, jdiff for 3.0.0 release.

Update CHANGES, RELEASENOTES, jdiff for 3.0.0 release.

Update CHANGES, RELEASENOTES, jdiff for 3.0.0 release.

(cherry picked from commit d447152d4925a5f84d28a8ebd561286b39134d75)

Preparing for 3.0.1 development

  1. … 71 more files in changeset.
Update maven versions in preparation for 3.0.0 release.

  1. … 71 more files in changeset.