Tsz Wo (Nicholas), SZE created HDFS-5905:
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Summary: Upgrade and rolling upgrade should not be allowed
simultaneously
Key: HDFS-5905
URL: https://issues.apache.org/jira/browse/HDFS-5905
Project: Hadoop HDFS
Issue Type: Sub-task
Components: namenode
Reporter: Tsz Wo (Nicholas), SZE
Assignee: Tsz Wo (Nicholas), SZE
The existing upgrade/finalize mechanism and the new rolling upgrade mechanism
are two distinct features for upgrading the HDFS software. They cannot be
executed simultaneously.
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