HADOOP-13087. env var doc update for dynamic commands
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/ec7e8c32 Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/ec7e8c32 Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/ec7e8c32 Branch: refs/heads/HADOOP-12930 Commit: ec7e8c32ef719028c0f5c34d3963371dcb1c1a24 Parents: 4517b49 Author: Allen Wittenauer <a...@apache.org> Authored: Wed May 4 10:53:25 2016 -0700 Committer: Allen Wittenauer <a...@apache.org> Committed: Wed May 4 20:43:21 2016 -0700 ---------------------------------------------------------------------- .../src/site/markdown/UnixShellGuide.md | 22 ++++++++++++++++++++ 1 file changed, 22 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/ec7e8c32/hadoop-common-project/hadoop-common/src/site/markdown/UnixShellGuide.md ---------------------------------------------------------------------- diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/UnixShellGuide.md b/hadoop-common-project/hadoop-common/src/site/markdown/UnixShellGuide.md index 668a744..a459012 100644 --- a/hadoop-common-project/hadoop-common/src/site/markdown/UnixShellGuide.md +++ b/hadoop-common-project/hadoop-common/src/site/markdown/UnixShellGuide.md @@ -154,3 +154,25 @@ function hdfs_subcommand_fetchdt ``` ... will replace the existing `hdfs fetchdt` subcommand with a custom one. + +Some key environment variables related to Dynamic Subcommands: + +* HADOOP\_CLASSNAME + +This is the name of the Java class to execute. + +* HADOOP\_SHELL\_EXECNAME + +This is the name of the script that is being executed. It will be one of hadoop, hdfs, mapred, or yarn. + +* HADOOP\_SUBCMD\_SECURESERVICE + +If this command should/will be executed as a secure daemon, set this to true. + +* HADOOP\_SUBCMD\_SECUREUSER + +If this command should/will be executed as a secure daemon, set the user name to be used. + +* HADOOP\_SUBCMD\_SUPPORTDAEMONIZATION + +If this command can be executed as a daemon, set this to true. --------------------------------------------------------------------- To unsubscribe, e-mail: common-commits-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-commits-h...@hadoop.apache.org
