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https://issues.apache.org/jira/browse/HDFS-2758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eli Collins updated HDFS-2758:
------------------------------
Summary: HA: multi-process MiniDFSCluster for testing ungraceful NN
shutdown (was: HA: multi-process MiniDFS cluster for testing ungraceful
shutdown)
> HA: multi-process MiniDFSCluster for testing ungraceful NN shutdown
> -------------------------------------------------------------------
>
> 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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