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From "Nick Dimiduk (JIRA)" <>
Subject [jira] [Created] (AMBARI-11040) Clients should be installed on all nodes by default
Date Sat, 09 May 2015 20:15:59 GMT
Nick Dimiduk created AMBARI-11040:

             Summary: Clients should be installed on all nodes by default
                 Key: AMBARI-11040
             Project: Ambari
          Issue Type: Bug
            Reporter: Nick Dimiduk

I recently had the confusing experience of my MR job only running in local mode. Listing HDFS
worked fine and so did the HBase shell. I tried different things to resolve (environment variables,
classpaths, &c). Eventually I realized that the mapreduce configs were not correct --
what was in stalled was the default "empty" config. This was extra confusing because HDFS
and HBase were configured correctly. It seemed that the MR client had not been installed on
this host.

I think all clients should be installed on all hosts by default. Administrators who want to
lock down "server" nodes vs. "edge" nodes can do so via customization. This is a pretty poor
experience, a wide usability gap.

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