Extend Block report to include under-construction replicas
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Key: HDFS-576
URL: https://issues.apache.org/jira/browse/HDFS-576
Project: Hadoop HDFS
Issue Type: Sub-task
Components: data-node, name-node
Affects Versions: Append Branch
Reporter: Konstantin Shvachko
Assignee: Konstantin Shvachko
Fix For: Append Branch
Current data-node block reports report only finalized (in append terminology)
blocks. Data-nodes should report all block replicas except for the temporary
ones so that clients could read from incomplete replicas and to make block
recovery possible.
The attached design document goes into more details of the new block reports.
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