Steve Loughran created HADOOP-16804:
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             Summary: s3a mkdir path/ can add 404 to S3 load balancers
                 Key: HADOOP-16804
                 URL: https://issues.apache.org/jira/browse/HADOOP-16804
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/s3
            Reporter: Steve Loughran


Not seen in the wild, but inferred from a code review

mkdirs creates an empty dir marker -but it looks for one first

proposed
 * only look for file marker and LIST; don't worry about an empty dir marker
 * always PUT one there

Saves a HEAD on every mkdir too



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