[HADOOP-13222] s3a.mkdirs() to delete empty fake parent directories

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Duplicate
• Affects Version/s: 2.7.2
• Component/s: fs/s3
• Assignee: Unassigned
• Reporter: Steve Loughran
• Created: 31/May/16 11:27
• Updated: 26/Jun/17 23:45
• Resolved: 16/Jun/17 09:51

Description

S3AFileSystem.mkdirs() has a TODO comment: what do do about fake parent directories.

The answer is: as with files, they should be deleted. This can be done asynchronously

Issue Links

• depends upon: HADOOP-13695 S3A to use a thread pool for async path operations
• duplicates: HADOOP-14255 S3A to delete unnecessary fake directory objects in mkdirs()
• is related to: HADOOP-14594 ITestS3AFileOperationCost::testFakeDirectoryDeletion to uncomment metric assertions
• relates to: HADOOP-13278 S3AFileSystem mkdirs does not need to validate parent path components