Steve Loughran commented on HADOOP-13308:

I think we may just have to accept that this can happen, though I doubt s3guard 
will be happy; it's fsck may need to catch up with reality

> S3A delete and rename 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
>            Priority: Minor
> When a file or directory is deleted or renamed in S3A, and the result of that 
> operation 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 or rename 
> of its last child.

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