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Committer:
Kevin W. Monroe
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Date:
2015-05-08 15:05:29 UTC
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Revision ID:
kevin.monroe@canonical.com-20150508150529-ncd3p9ydyxv1qr7p
adding relation-joined hooks. this seems to prevent a race where nodemanager-changed was firing before datanode-changed, and it attempted to start the DataNode service prior to our hdfs-master host info being added to /etc/hosts. with datanode-joined, we now populate /etc/hosts prior to nodemgr-changed, so even if it fires before datanode-changed, it should be safe to start DataNode.