dragon created HDFS-9968:
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Summary: CLONE - Erasure coding: distribute recovery work for
striped blocks to DataNode
Key: HDFS-9968
URL: https://issues.apache.org/jira/browse/HDFS-9968
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: dragon
Assignee: Zhe Zhang
Fix For: HDFS-7285
This JIRA updates NameNode to handle background / offline recovery of erasure
coded blocks. It includes 2 parts:
# Extend {{UnderReplicatedBlocks}} to recognize EC blocks and insert them to
appropriate priority levels.
# Update {{ReplicationMonitor}} to distinguish block codec tasks and send a new
DataNode command.
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