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Posted to hdfs-issues@hadoop.apache.org by "Jing Zhao (JIRA)" <ji...@apache.org> on 2015/03/10 01:38:39 UTC

[jira] [Created] (HDFS-7912) Erasure Coding: track BlockInfo instead of Block in UnderReplicatedBlocks and PendingReplicationBlocks

Jing Zhao created HDFS-7912:
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             Summary: Erasure Coding: track BlockInfo instead of Block in UnderReplicatedBlocks and PendingReplicationBlocks
                 Key: HDFS-7912
                 URL: https://issues.apache.org/jira/browse/HDFS-7912
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Jing Zhao
            Assignee: Jing Zhao


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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