dragon created HDFS-9996:
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Summary: CLONE - Erasure Coding: track BlockInfo instead of Block
in UnderReplicatedBlocks and PendingReplicationBlocks
Key: HDFS-9996
URL: https://issues.apache.org/jira/browse/HDFS-9996
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: dragon
Assignee: Jing Zhao
Fix For: HDFS-7285
Now with striped blocks and the design that uses a single BlockInfoStriped
object to track all the corresponding blocks, we need to clearly distinguish
the type Block and BlockInfo in BlockManager. Specifically, data structures
like {{UnderReplicatedBlocks}} and {{PendingReplicationBlocks}} should track
BlockInfo instead of Block in order to support striped block recovery.
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