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From "Roman Shaposhnik (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8214) make hadoop script recognize a full set of deprecated commands
Date Mon, 26 Mar 2012 17:30:29 GMT
make hadoop script recognize a full set of deprecated commands
--------------------------------------------------------------

                 Key: HADOOP-8214
                 URL: https://issues.apache.org/jira/browse/HADOOP-8214
             Project: Hadoop Common
          Issue Type: Improvement
          Components: scripts
    Affects Versions: 0.23.1
            Reporter: Roman Shaposhnik
            Assignee: Roman Shaposhnik
             Fix For: 0.23.2


bin/hadoop launcher script does a nice job of recognizing deprecated usage and vectoring users
towards the proper command line tools (hdfs, mapred). It would be nice if we can take care
of the following deprecated commands that don't get the same special treatment:

{noformat}
  oiv                  apply the offline fsimage viewer to an fsimage
  dfsgroups            get the groups which users belong to on the Name Node
  mrgroups             get the groups which users belong to on the Job Tracker
  mradmin              run a Map-Reduce admin client
  jobtracker           run the MapReduce job Tracker node
  tasktracker          run a MapReduce task Tracker node
{noformat}

Here's what I propos to do with them:
  # oiv        -- issue DEPRECATED warning and run hdfs oiv
  # dfsgroups  -- issue DEPRECATED warning and run hdfs groups
  # mrgroups   -- issue DEPRECATED warning and run mapred groups
  # mradmin    -- issue DEPRECATED warning and run yarn rmadmin
  # jobtracker -- issue DEPRECATED warning and do nothing
  # tasktracker-- issue DEPRECATED warning and do nothing

Thoughts?

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