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https://issues.apache.org/jira/browse/HDFS-5353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13808305#comment-13808305
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Suresh Srinivas commented on HDFS-5353:
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I am going to mark this as blocker for 2.3.0

> Short circuit reads fail when dfs.encrypt.data.transfer is enabled
> ------------------------------------------------------------------
>
>                 Key: HDFS-5353
>                 URL: https://issues.apache.org/jira/browse/HDFS-5353
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.0.5-alpha
>            Reporter: Haohui Mai
>
> DataXceiver tries to establish secure channels via sasl when 
> dfs.encrypt.data.transfer is turned on. However, domain socket traffic seems 
> to be unencrypted therefore the client cannot communicate with the data node 
> via domain sockets, which makes short circuit reads unfunctional.



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