DFSClient does not treat write timeout of 0 properly
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Key: HADOOP-5464
URL: https://issues.apache.org/jira/browse/HADOOP-5464
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Affects Versions: 0.17.0
Reporter: Raghu Angadi
Assignee: Raghu Angadi
{{dfs.datanode.socket.write.timeout}} is used for sockets to and from
datanodes. It is 8 minutes by default. Some users set this to 0, effectively
disabling the write timeout (for some specific reasons).
When this is set to 0, DFSClient sets the timeout to 5 seconds by mistake while
writing to DataNodes. This is exactly the opposite of real intention of setting
it to 0 since 5 seconds is too short.
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