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Posted to common-dev@hadoop.apache.org by "Dan Hecht (JIRA)" <ji...@apache.org> on 2015/02/10 07:55:35 UTC

[jira] [Created] (HADOOP-11570) S3AInputStream.close() downloads the remaining bytes of the object from S3

Dan Hecht created HADOOP-11570:
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             Summary: S3AInputStream.close() downloads the remaining bytes of the object from S3
                 Key: HADOOP-11570
                 URL: https://issues.apache.org/jira/browse/HADOOP-11570
             Project: Hadoop Common
          Issue Type: Bug
          Components: fs/s3
    Affects Versions: 2.6.0
            Reporter: Dan Hecht


Currently, S3AInputStream.close() calls S3Object.close().  But, S3Object.close() will read the remaining bytes of the S3 object, potentially transferring a lot of bytes from S3 that are discarded.  Instead, the wrapped stream should be aborted to avoid transferring discarded bytes (unless the preceding read() finished at contentLength).  For example, reading only the first byte of a 1 GB object and then closing the stream will result in all 1 GB transferred from S3.



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