[HDFS-9638] Improve DistCp Help and documentation

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.7.1
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: distcp
• Labels: supportability
• Hadoop Flags: Reviewed
• Assignee: Wei-Chiu Chuang
• Reporter: Wei-Chiu Chuang
• Created: 11/Jan/16 21:55
• Updated: 02/Oct/19 17:14
• Resolved: 29/Jan/16 20:24

Description

For example,
-mapredSslConf <arg> Configuration for ssl config file, to use with
hftps://

But this ssl config file should be in the classpath, which is not clearly stated.

http://hadoop.apache.org/docs/current/hadoop-distcp/DistCp.html
"When using the hsftp protocol with a source, the security- related properties may be specified in a config-file and passed to DistCp. <ssl_conf_file> needs to be in the classpath. "

It is also not clear from the context if this ssl_conf_file should be at the client issuing the command. (I think the answer is yes)

Also, in: http://hadoop.apache.org/docs/current/hadoop-distcp/DistCp.html
"The following is an example of the contents of the contents of a SSL Configuration file:"
there's an extra "of the contents of the contents "

Issue Links

• is related to: HDFS-9640 Remove hsftp from DistCp in trunk
• is related to: HDFS-7595 Remove leftover references to hftp
• is related to: HDFS-9860 Backport HDFS-9638 to branch-2.7.