Daryn Sharp created HDFS-10956:
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Summary: Remove rename/delete performance penalty when not using
snapshots
Key: HDFS-10956
URL: https://issues.apache.org/jira/browse/HDFS-10956
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Daryn Sharp
Assignee: Daryn Sharp
When deleting or renaming directories, the entire subtree(s) is scanned for
snapshottable directories. The performance penalty may become very expensive
for dense trees. The snapshot manager knows if snapshots are in use, so
clusters not using snapshots should not take the performance penalty.
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