Tsz Wo (Nicholas), SZE created HDFS-4079:
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Summary: Add SnapshotManager
Key: HDFS-4079
URL: https://issues.apache.org/jira/browse/HDFS-4079
Project: Hadoop HDFS
Issue Type: Sub-task
Components: name-node
Reporter: Tsz Wo (Nicholas), SZE
Assignee: Tsz Wo (Nicholas), SZE
SnapshotManager maintains a list for all the snapshottable directories in the
namespace. It also supports snapshot related methods such as setting a
directory to snapshottable, creating a snapshot, etc.
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