DataNode should have timeout on socket writes.
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Key: HADOOP-2346
URL: https://issues.apache.org/jira/browse/HADOOP-2346
Project: Hadoop
Issue Type: Bug
Reporter: Raghu Angadi
Fix For: 0.16.0
If a client opens a file and stops reading in the middle, DataNode thread
writing the data could be stuck forever. For DataNode sockets we set read
timeout but not write timeout. I think we should add a write(data, timeout)
method in IOUtils that assumes it the underlying FileChannel is non-blocking.
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