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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5353) Short circuit reads fail when dfs.encrypt.data.transfer is enabled
Date Fri, 06 Dec 2013 22:31:41 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13841807#comment-13841807
] 

Jing Zhao commented on HDFS-5353:
---------------------------------

+1. Thanks Colin and Haohui!

> 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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