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From cnaur...@apache.org
Subject [2/2] hadoop git commit: HDFS-8553. Document hdfs class path options. Contributed by Brahma Reddy Battula.
Date Mon, 08 Jun 2015 23:16:08 GMT
HDFS-8553. Document hdfs class path options. Contributed by Brahma Reddy Battula.

(cherry picked from commit d2832b3d4243c6c470c774bc33fd13f70b3e7b72)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/cc960734
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/cc960734
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/cc960734

Branch: refs/heads/branch-2
Commit: cc960734e4f23a9e9c3bb20951dc52ddc26f398b
Parents: 82e772b
Author: cnauroth <cnauroth@apache.org>
Authored: Mon Jun 8 16:15:38 2015 -0700
Committer: cnauroth <cnauroth@apache.org>
Committed: Mon Jun 8 16:15:53 2015 -0700

----------------------------------------------------------------------
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt               |  3 +++
 .../hadoop-hdfs/src/site/markdown/HDFSCommands.md         | 10 ++++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/cc960734/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index ed484ad..0a9b7cd 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -269,6 +269,9 @@ Release 2.8.0 - UNRELEASED
     HDFS-8116. Cleanup uncessary if LOG.isDebugEnabled() from
     RollingWindowManager. (Brahma Reddy Battula via xyao)
 
+    HDFS-8553. Document hdfs class path options.
+    (Brahma Reddy Battula via cnauroth)
+
   OPTIMIZATIONS
 
     HDFS-8026. Trace FSOutputSummer#writeChecksumChunks rather than

http://git-wip-us.apache.org/repos/asf/hadoop/blob/cc960734/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
index 43614f7..dbb594d 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
@@ -71,9 +71,15 @@ Commands useful for users of a hadoop cluster.
 
 ### `classpath`
 
-Usage: `hdfs classpath`
+Usage: `hdfs 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.
 
 ### `dfs`
 


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