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https://issues.apache.org/jira/browse/HADOOP-13769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15631047#comment-15631047
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Kai Zheng commented on HADOOP-13769:
------------------------------------

[~uncleGen],

I understand upgrading the OSS SDK may fix the issue. Could you also consider 
[[email protected]]'s suggestion as below and add some similar tests to guard 
against this? Thanks!

bq. The scale/seek tests in S3A are designed to catch that —maybe look at 
something similar.

> AliyunOSS: improve performance on close
> ---------------------------------------
>
>                 Key: HADOOP-13769
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13769
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs, fs/oss
>    Affects Versions: 3.0.0-alpha2
>            Reporter: Genmao Yu
>            Assignee: Genmao Yu
>             Fix For: 3.0.0-alpha2
>
>         Attachments: HADOOP-13769.001.patch
>
>
> AliyunOSS object inputstream.close() will read the remaining bytes of the OSS 
> object, potentially transferring a lot of bytes from OSS that are discarded.



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