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Date: Thu, 12 Feb 2015 01:40:12 +0000 (UTC)
From: "Aaron T. Myers (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Message-ID: <JIRA.12773708.1423551283000.21227.1423705212765@Atlassian.JIRA>
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Subject: [jira] [Assigned] (HADOOP-11570) S3AInputStream.close() downloads
 the remaining bytes of the object from S3
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     [ https://issues.apache.org/jira/browse/HADOOP-11570?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aaron T. Myers reassigned HADOOP-11570:
---------------------------------------

    Assignee: Dan Hecht

> 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
>         Attachments: HADOOP-11570-001.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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