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Posted to hdfs-dev@hadoop.apache.org by "Eli Collins (Created) (JIRA)" <ji...@apache.org> on 2012/01/06 02:01:52 UTC

[jira] [Created] (HDFS-2758) HA: multi-process MiniDFS cluster for testing ungraceful shutdown

HA: multi-process MiniDFS cluster for testing ungraceful shutdown
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                 Key: HDFS-2758
                 URL: https://issues.apache.org/jira/browse/HDFS-2758
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: ha, test
    Affects Versions: HA branch (HDFS-1623)
            Reporter: Eli Collins
            Assignee: Eli Collins


We should test ungraceful termination of NN processes, this is generally useful for HDFS testing, but particularly needed for HA since we may do this as via fencing (send a NN a SIGILL via ssh kill -9, flip the PDU, etc). We can't currently do this with the MiniDFSCluster since everything is in one process and killing the native thread hosting the java thread terminates the whole process.

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