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Type:
Sub-task
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Status: Resolved
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: None
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Fix Version/s: HDFS-5535 (Rolling upgrades)
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Component/s: namenode
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Labels:None
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Hadoop Flags:Reviewed
Namenode could be started up with -upgrade / -rollback. The -rollback option will restore the data using the previous directory. New options are needed for downgrade and rollback using the upgrade marker.
- is depended upon by
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HDFS-5778 Document new commands and parameters for improved rolling upgrades
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- Resolved
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