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Posted to hdfs-issues@hadoop.apache.org by "Chen Liang (JIRA)" <ji...@apache.org> on 2019/02/26 21:06:00 UTC
[jira] [Commented] (HDFS-13699) Add DFSClient sending handshake
token to DataNode, and allow DataNode overwrite downstream QOP
[ https://issues.apache.org/jira/browse/HDFS-13699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16778580#comment-16778580 ]
Chen Liang commented on HDFS-13699:
-----------------------------------
Post v001 patch, with unit tests added. This completes all the basic functionality.
> Add DFSClient sending handshake token to DataNode, and allow DataNode overwrite downstream QOP
> ----------------------------------------------------------------------------------------------
>
> Key: HDFS-13699
> URL: https://issues.apache.org/jira/browse/HDFS-13699
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Chen Liang
> Assignee: Chen Liang
> Priority: Major
> Attachments: HDFS-13699.001.patch, HDFS-13699.WIP.001.patch
>
>
> Given the other Jiras under HDFS-13541, this Jira is to allow DFSClient to redirect the encrypt secret to DataNode. The encrypted message is the QOP that client and NameNode have used. DataNode decrypts the message and enforce the QOP for the client connection. Also, this Jira will also include overwriting downstream QOP, as mentioned in the HDFS-13541 design doc. Namely, this is to allow inter-DN QOP that is different from client-DN QOP.
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