YARN-3786. Document yarn class path options. Contributed by Brahma Reddy Battula.
(cherry picked from commit a531b058aef48c9bf2e5366ed110e1f817316c1a) Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/d9016b02 Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/d9016b02 Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/d9016b02 Branch: refs/heads/branch-2 Commit: d9016b0286290fd893a977e64cf2c94f71b7c6e8 Parents: cc96073 Author: cnauroth <cnaur...@apache.org> Authored: Mon Jun 8 16:18:36 2015 -0700 Committer: cnauroth <cnaur...@apache.org> Committed: Mon Jun 8 16:18:43 2015 -0700 ---------------------------------------------------------------------- hadoop-yarn-project/CHANGES.txt | 3 +++ .../hadoop-yarn-site/src/site/markdown/YarnCommands.md | 10 ++++++++-- 2 files changed, 11 insertions(+), 2 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/d9016b02/hadoop-yarn-project/CHANGES.txt ---------------------------------------------------------------------- diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt index 1d1b403..bf6781f 100644 --- a/hadoop-yarn-project/CHANGES.txt +++ b/hadoop-yarn-project/CHANGES.txt @@ -249,6 +249,9 @@ Release 2.8.0 - UNRELEASED YARN-2716. Refactor ZKRMStateStore retry code with Apache Curator. (Karthik Kambatla via jianhe) + YARN-3786. Document yarn class path options. + (Brahma Reddy Battula via cnauroth) + OPTIMIZATIONS YARN-3339. TestDockerContainerExecutor should pull a single image and not http://git-wip-us.apache.org/repos/asf/hadoop/blob/d9016b02/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md ---------------------------------------------------------------------- diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md index c20e9a4..7f0edbd 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md @@ -85,9 +85,15 @@ prints applicationattempt(s) report ### `classpath` -Usage: `yarn classpath` +Usage: `yarn classpath [--glob |--jar <path> |-h |--help]` -Prints the class path needed to get the Hadoop jar and the required libraries +| COMMAND\_OPTION | Description | +|:---- |:---- | +| `--glob` | expand wildcards | +| `--jar` *path* | write classpath as manifest in jar named *path* | +| `-h`, `--help` | print help | + +Prints the class path needed to get the Hadoop jar and the required libraries. If called without arguments, then prints the classpath set up by the command scripts, which is likely to contain wildcards in the classpath entries. Additional options print the classpath after wildcard expansion or write the classpath into the manifest of a jar file. The latter is useful in environments where wildcards cannot be used and the expanded classpath exceeds the maximum supported command line length. ### `container`
