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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3767) Brief, baseline namenode health check
Date Tue, 15 Jul 2008 22:37:31 GMT
Brief, baseline namenode health check
-------------------------------------

                 Key: HADOOP-3767
                 URL: https://issues.apache.org/jira/browse/HADOOP-3767
             Project: Hadoop Core
          Issue Type: New Feature
          Components: dfs
            Reporter: Chris Douglas
            Priority: Minor


It would be helpful if there were a way to query the namenode to verify that it is basically
healthy. In particular, that all the expected threads are running, data structures appear
sane, etc. Administrators could use this interface to verify that the namenode is both up
and essentially functional, attaching cron jobs, notification, etc. as required.

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