Jing Zhao created HDFS-4978:
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Summary: Make disallowSnapshot idempotent
Key: HDFS-4978
URL: https://issues.apache.org/jira/browse/HDFS-4978
Project: Hadoop HDFS
Issue Type: Improvement
Affects Versions: 3.0.0
Reporter: Jing Zhao
Assignee: Jing Zhao
Currently disallowSnapshot is not idempotent: an exception will be thrown when
the directory is already non-snapshottable. This jira tries to make it
idempotent.
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