HDFS Federation: data node storage structure changes and introduce block pool
storage for Federation.
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Key: HDFS-1632
URL: https://issues.apache.org/jira/browse/HDFS-1632
Project: Hadoop HDFS
Issue Type: New Feature
Components: data-node
Affects Versions: Federation Branch
Reporter: Tanping Wang
Assignee: Tanping Wang
Fix For: Federation Branch
In Federation, we introduced block pool into HDFS. We are making changes to
data node storage and and block pool storage.
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