Better Datanode DiskOutOfSpaceException handling.
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Key: HADOOP-3574
URL: https://issues.apache.org/jira/browse/HADOOP-3574
Project: Hadoop Core
Issue Type: Improvement
Components: dfs
Reporter: Tsz Wo (Nicholas), SZE
Fix For: 0.19.0
When a datanode ran out of disk space, it throws DiskOutOfSpaceException
internally. However, it does not notify the writing client about the
exception. As a result, the client will wait until socket timeout.
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