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https://issues.apache.org/jira/browse/HDFS-10794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15466521#comment-15466521
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Rakesh R commented on HDFS-10794:
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Thanks a lot [~drankye] for the reviews. I'll take care 1,2,3 comments.
bq. Such codes are better to be equipped with some comments like: "TODO: it
doesn't need here and will be cleaned, when NN is implemented to be able to
send block moving commands."
How about considering this as a unit test case verifying the DN side
{{StorageStaisfyWorker}} behavior alone and not required to add a specific
TODO. Later, we could add NN-DN integrated test case during {{storage movement
commands}} implementation time. Does this make sense to you?
> [SPS]: Provide storage policy satisfy worker at DN for co-ordinating the
> block storage movement work
> ----------------------------------------------------------------------------------------------------
>
> Key: HDFS-10794
> URL: https://issues.apache.org/jira/browse/HDFS-10794
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Affects Versions: HDFS-10285
> Reporter: Rakesh R
> Assignee: Rakesh R
> Attachments: HDFS-10794-00.patch, HDFS-10794-HDFS-10285.00.patch,
> HDFS-10794-HDFS-10285.01.patch, HDFS-10794-HDFS-10285.02.patch
>
>
> The idea of this jira is to implement a mechanism to move the blocks to the
> given target in order to satisfy the block storage policy. Datanode receives
> {{blocktomove}} details via heart beat response from NN. More specifically,
> its a datanode side extension to handle the block storage movement commands.
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