Redundant block searches in BlockManager.
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Key: HDFS-511
URL: https://issues.apache.org/jira/browse/HDFS-511
Project: Hadoop HDFS
Issue Type: Improvement
Components: name-node
Affects Versions: 0.21.0
Reporter: Konstantin Shvachko
Assignee: Konstantin Shvachko
Fix For: 0.21.0
Some searches for a block in {{blocksMap}} are redundant and should be
eliminated.
{{BlockManager.addStoredBlock()}} contain unnecessary explicit and hidden
(inside {{markBlockAsCorrupt()}}) calls of {{blocksMap.getStoredBlock()}}.
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