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Posted to common-dev@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2016/09/13 11:16:22 UTC

[jira] [Created] (HADOOP-13600) S3a rename() to copy files in a directory in parallel

Steve Loughran created HADOOP-13600:
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             Summary: S3a rename() to copy files in a directory in parallel
                 Key: HADOOP-13600
                 URL: https://issues.apache.org/jira/browse/HADOOP-13600
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/s3
    Affects Versions: 2.7.3
            Reporter: Steve Loughran


Currently a directory rename does a one-by-one copy, making the request O(files * data). If the copy operations were launched in parallel, the duration of the copy may be reducable to the duration of the longest copy. For a directory with many files, this will be significant



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