Make BlockReaderLocal not extend RemoteBlockReader2
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Key: HDFS-2654
URL: https://issues.apache.org/jira/browse/HDFS-2654
Project: Hadoop HDFS
Issue Type: Improvement
Components: data-node
Affects Versions: 0.23.1, 1.0.0
Reporter: Eli Collins
Assignee: Eli Collins
The BlockReaderLocal code paths are easier to understand (especially true on
branch-1 where BlockReaderLocal inherits code from BlockerReader and
FSInputChecker) if the local and remote block reader implementations are
independent, and they're not really sharing much code anyway. If for some
reason they start to share sifnificant code we can make the BlockReader
interface an abstract class.
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