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https://issues.apache.org/jira/browse/HADOOP-13341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15484919#comment-15484919
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Hudson commented on HADOOP-13341:
---------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10426 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/10426/])
HADOOP-13341. Deprecate HADOOP_SERVERNAME_OPTS; replace with (aw: rev
58ed4fa5449872d65efd52d840f02dd60af2771a)
* (edit) hadoop-yarn-project/hadoop-yarn/bin/yarn
* (add)
hadoop-common-project/hadoop-common/src/test/scripts/hadoop_add_client_opts.bats
* (edit)
hadoop-tools/hadoop-streaming/src/main/shellprofile.d/hadoop-streaming.sh
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs-config.sh
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HdfsNfsGateway.md
* (add)
hadoop-common-project/hadoop-common/src/test/scripts/hadoop_subcommand_opts.bats
* (edit) hadoop-common-project/hadoop-common/src/site/markdown/ClusterSetup.md
* (edit) hadoop-common-project/hadoop-common/src/main/conf/hadoop-env.sh
* (edit) hadoop-mapreduce-project/conf/mapred-env.sh
* (edit) hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
* (add)
hadoop-common-project/hadoop-common/src/test/scripts/hadoop_subcommand_secure_opts.bats
* (add)
hadoop-common-project/hadoop-common/src/test/scripts/hadoop_verify_user.bats
* (edit) hadoop-tools/hadoop-sls/src/main/bin/slsrun.sh
* (edit)
hadoop-tools/hadoop-archive-logs/src/main/shellprofile.d/hadoop-archive-logs.sh
* (edit) hadoop-tools/hadoop-rumen/src/main/shellprofile.d/hadoop-rumen.sh
* (edit) hadoop-common-project/hadoop-common/src/site/markdown/UnixShellGuide.md
* (edit) hadoop-common-project/hadoop-common/src/main/bin/hadoop
* (edit) hadoop-tools/hadoop-distcp/src/main/shellprofile.d/hadoop-distcp.sh
* (edit) hadoop-tools/hadoop-extras/src/main/shellprofile.d/hadoop-extras.sh
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs
* (edit) hadoop-mapreduce-project/bin/mapred
* (edit) hadoop-mapreduce-project/bin/mapred-config.sh
* (edit) hadoop-tools/hadoop-sls/src/main/bin/rumen2sls.sh
> Deprecate HADOOP_SERVERNAME_OPTS; replace with (command)_(subcommand)_OPTS
> --------------------------------------------------------------------------
>
> Key: HADOOP-13341
> URL: https://issues.apache.org/jira/browse/HADOOP-13341
> Project: Hadoop Common
> Issue Type: Improvement
> Components: scripts
> Affects Versions: 3.0.0-alpha1
> Reporter: Allen Wittenauer
> Assignee: Allen Wittenauer
> Fix For: 3.0.0-alpha2
>
> Attachments: HADOOP-13341.00.patch
>
>
> Big features like YARN-2928 demonstrate that even senior level Hadoop
> developers forget that daemons need a custom _OPTS env var. We can replace
> all of the custom vars with generic handling just like we do for the username
> check.
> For example, with generic handling in place:
> || Old Var || New Var ||
> | HADOOP_NAMENODE_OPTS | HDFS_NAMENODE_OPTS |
> | YARN_RESOURCEMANAGER_OPTS | YARN_RESOURCEMANAGER_OPTS |
> | n/a | YARN_TIMELINEREADER_OPTS |
> | n/a | HADOOP_DISTCP_OPTS |
> | n/a | MAPRED_DISTCP_OPTS |
> | HADOOP_DN_SECURE_EXTRA_OPTS | HDFS_DATANODE_SECURE_EXTRA_OPTS |
> | HADOOP_NFS3_SECURE_EXTRA_OPTS | HDFS_NFS3_SECURE_EXTRA_OPTS |
> | HADOOP_JOB_HISTORYSERVER_OPTS | MAPRED_HISTORYSERVER_OPTS |
> This makes it:
> a) consistent across the entire project
> b) consistent for every subcommand
> c) eliminates almost all of the custom appending in the case statements
> It's worth pointing out that subcommands like distcp that sometimes need a
> higher than normal client-side heapsize or custom options are a huge win.
> Combined with .hadooprc and/or dynamic subcommands, it means users can easily
> do customizations based upon their needs without a lot of weirdo shell
> aliasing or one line shell scripts off to the side.
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