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From "dragon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-9996) CLONE - Erasure Coding: track BlockInfo instead of Block in UnderReplicatedBlocks and PendingReplicationBlocks
Date Tue, 15 Mar 2016 08:15:35 GMT
dragon created HDFS-9996:
----------------------------

             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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