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https://issues.apache.org/jira/browse/HADOOP-11570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14325926#comment-14325926
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Hudson commented on HADOOP-11570:
---------------------------------
SUCCESS: Integrated in Hadoop-Hdfs-trunk #2040 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/2040/])
HADOOP-11570. S3AInputStream.close() downloads the remaining bytes of the
object from S3. (Dan Hecht via stevel). (stevel: rev
826267f789df657c62f7f5909e5a0b1a7b102c34)
*
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AInputStream.java
* hadoop-common-project/hadoop-common/CHANGES.txt
> 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: Sub-task
> Components: fs/s3
> Affects Versions: 2.6.0
> Reporter: Dan Hecht
> Assignee: Dan Hecht
> Fix For: 2.7.0
>
> Attachments: HADOOP-11570-001.patch, HADOOP-11570-002.patch
>
>
> 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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