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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-2989) Log nodes running accumulo processes in AccumuloStatus checker
Date Fri, 11 Jul 2014 18:14:04 GMT
Josh Elser created ACCUMULO-2989:
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             Summary: Log nodes running accumulo processes in AccumuloStatus checker
                 Key: ACCUMULO-2989
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2989
             Project: Accumulo
          Issue Type: Improvement
            Reporter: Josh Elser
            Priority: Minor
             Fix For: 1.7.0


ACCUMULO-2984 introduces an AccumuloStatus checker class that is used to ensure that the Accumulo
instance that MAC is "starting" isn't already running (as the potential for multiple active
masters or tservers is a real, scary possibility).

When this tool is used as a sanity check that no Accumulo processes are running for an instance,
it would be nice if we could actually get the list of processes on hosts so that they can
be "dealt with". Right now, the user would only know that processes are running, and would
have to check ZK manually or inspect {{ps}} on all nodes, neither of which are ideal.

Add some sort of logging, or toggle to stdout, to display what nodes are running which processes
when Accumulo is up when the tool is used as a sanity-check for "Accumulo is down".



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