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https://issues.apache.org/jira/browse/HDFS-5353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13841799#comment-13841799
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Haohui Mai commented on HDFS-5353:
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The patch looks good to me. The only comment I have is that it might be better
to move some of the javadoc in DomainPeer#hasSecureChannel() to
Peer#hasSecureChannel().
+1 once this is addressed.
> 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
> Assignee: Colin Patrick McCabe
> Priority: Blocker
> Attachments: HDFS-5353.001.patch
>
>
> 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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