Steve Loughran created HADOOP-13407:
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Summary: s3a directory housekeeping operations to be done in async
thread
Key: HADOOP-13407
URL: https://issues.apache.org/jira/browse/HADOOP-13407
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/s3
Affects Versions: 2.8.0
Reporter: Steve Loughran
Priority: Minor
Some of the delays on s3a calls are due to cleaning up parent pseudo
directories; repeated getParent/GET calls to look for the entries, then to
delete them.
We could possibly make this asynchronous; the core semantics would be retained,
just the cleanup delayed.
Risks?
# while the cleanup is in progress, getFileStatus of parent dirs could imply
that the parent dir is still empty
# failure
of course, these risks exist today. We really need an s3a fsck
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