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From "Stephen Chu (JIRA)" <>
Subject [jira] [Created] (BIGTOP-614) Add HDFS HA tests
Date Wed, 06 Jun 2012 21:07:23 GMT
Stephen Chu created BIGTOP-614:

             Summary: Add HDFS HA tests
                 Key: BIGTOP-614
             Project: Bigtop
          Issue Type: Test
          Components: Tests
            Reporter: Stephen Chu
            Assignee: Stephen Chu

In this patch, I am adding 2 tests and a test util class.

1) TestHAFailover: Fails over between the NameNodes a configurable number of times. Checks
the service state of each NN after each failover to ensure that the service state is correct.

2) TestKilLNNFailover: Kills the Active NN. Waits and fails over to the standby NN. Waits
and checks that the former standby is now active. Restarts the killed NN and checks that it
is now standby. Goes through this process a configurable number of times.

3) HATestUtil: Helper methods to fail over and kill the NameNodes.

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