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https://issues.apache.org/jira/browse/HDFS-16015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17682778#comment-17682778
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Simbarashe Dzinamarira commented on HDFS-16015:
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I believe this is now implement in HDFS-13248
> RBF: Read and write data through router select dn according to real user ip
> ---------------------------------------------------------------------------
>
> Key: HDFS-16015
> URL: https://issues.apache.org/jira/browse/HDFS-16015
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: rbf
> Affects Versions: 3.3.1, 3.4.0
> Reporter: Xiangyi Zhu
> Priority: Major
> Labels: pull-request-available
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Read and write data through router select dn according to real user ip.
> relates to HDFS-13248
> *General train of thought：*
> 1. RouterRpcClient set the real user ip to CallerContext.
> 2. The Server processes the Rpc to check whether the CallerContext contains
> the real user ip field, if it contains the real user IP and verify the
> legitimacy of the ip, if the verification passes, set the real IP to the Call.
> 3. Modify the getClientMachine method, if there is a real user ip in the
> Call, return the real user ip, if it does not return the server to monitor
> the IP.
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