Diff between RC3 and RC4:

 MAPREDUCE-7284. TestCombineFileInputFormat#testMissingBlocks fails (#2136)
HDFS-13404. Addendum: RBF:
TestRouterWebHDFSContractAppend.testRenameFileBeingAppended fail.
Contributed by Takanobu Asanuma.
HADOOP-16080. hadoop-aws does not work with hadoop-client-api  (#2510).
Contributed by Chao Sun
HADOOP-15775. [JDK9] Add missing javax.activation-api dependency.
Contributed by Akira Ajisaka.
HDFS-15240. Erasure Coding: dirty buffer causes reconstruction block error.
Contributed by HuangTao.
HDFS-15708. TestURLConnectionFactory fails by NoClassDefFoundError in
branch-3.3 and branch-3.2 (#2517)
HADOOP-17389. KMS should log full UGI principal. (#2476)
HDFS-15707. NNTop counts don't add up as expected. (#2516) Contributed by
Ahmed Hussein and Daryn Sharp
HDFS-15709. Socket file descriptor leak in
StripedBlockChecksumReconstructor. (#2518)


On Wed, Dec 9, 2020 at 9:01 AM Xiaoqiao He <hexiaoq...@apache.org> wrote:

> Hi folks,
>
> The release candidate (RC4) for Hadoop-3.2.2 is available now.
> There are 10 commits[1] differences between RC4 and RC3[2].
>
> The RC4 is available at:
> http://people.apache.org/~hexiaoqiao/hadoop-3.2.2-RC4
> The RC4 tag in github is here:
> https://github.com/apache/hadoop/tree/release-3.2.2-RC4
> The maven artifacts are staged at:
> https://repository.apache.org/content/repositories/orgapachehadoop-1296
>
> You can find my public key at:
> https://dist.apache.org/repos/dist/release/hadoop/common/KEYS or
> https://people.apache.org/keys/committer/hexiaoqiao.asc directly.
>
> Please try the release and vote.
>
> I have done a simple testing with my pseudo cluster.
> * Verify gpg sign and md5sum.
> * Setup pseudo cluster with HDFS and YARN.
> * Run simple FsShell - mkdir/put/get/rename/mv.
> * Submit example mr job and check the result - Pi/wordcount.
> * Check the web UI of NameNode/DataNode/Resourcemanager/NodeManager.
> My +1 to start.
>
> Thanks,
> He Xiaoqiao
>
> [1]
>
> https://github.com/apache/hadoop/compare/release-3.2.2-RC3...release-3.2.2-RC4
> [2]
>
> https://lists.apache.org/thread.html/rfb74c3a5d4f223c5804d8ee622829263740cd8701c8f3fc8b6f970af%40%3Chdfs-dev.hadoop.apache.org%3E
> [3]
> https://issues.apache.org/jira/secure/Dashboard.jspa?selectPageId=12335948
>

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