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https://issues.apache.org/jira/browse/HDFS-17245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17802402#comment-17802402
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Shilun Fan commented on HDFS-17245:
-----------------------------------
We do not need to fill in the fix version. This field needs to be filled in
only after jira is completed.
> Add getAverageLoadOneMinute RPC in ClientDatanodeProtocol.
> ----------------------------------------------------------
>
> Key: HDFS-17245
> URL: https://issues.apache.org/jira/browse/HDFS-17245
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: datanode
> Affects Versions: 3.4.0
> Reporter: farmmamba
> Assignee: farmmamba
> Priority: Major
>
> I think we should add a getAverageLoadOneMinute RPC in ClientDatanodeProtocol
> to get the average load of the datanode in recent one minute.
> We can use this RPC in HDFS client side and other places. For example, in
> method addDatanode2ExistingPipeline. We can choose the datanode with less
> average load as source datanode and then transfer block to new datanode which
> is added to existed pipeline.
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