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https://issues.apache.org/jira/browse/HDFS-10794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uma Maheswara Rao G updated HDFS-10794:
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Attachment: HDFS-10800-HDFS-10285-00.patch
Attaching the first patch for this JIRA.
StoragePolicySatisfier Daemon thread starts along with BlockManager activation
and take blockCollections one by one and identify the neededStorageMovement
blocks and builds the source and target DN mapping with the expected storage
types.
> [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,
> HDFS-10800-HDFS-10285-00.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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