Chris Nauroth created HADOOP-13308:
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             Summary: S3A delete may fail to preserve parent directory.
                 Key: HADOOP-13308
                 URL: https://issues.apache.org/jira/browse/HADOOP-13308
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/s3
            Reporter: Chris Nauroth


When a file or directory is deleted in S3A, and the result of that deletion 
makes the parent empty, S3A must store a fake directory (a pure metadata 
object) at the parent to indicate that the directory still exists.  The logic 
for restoring fake directories is not resilient to a process death.  This may 
cause a directory to vanish unexpectedly after a deletion of its last child.



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