DFS writes stuck occationally
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Key: HADOOP-3132
URL: https://issues.apache.org/jira/browse/HADOOP-3132
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Reporter: Runping Qi
This problem happens in 0.17 trunk
As reported in hadoop-3124,
I saw reducers waited 10 minutes for writing data to dfs and got timeout.
The client retries again and timeouted after another 19 minutes.
During the period of write stuck, all the nodes in the data node pipeline were
functioning fine.
The system load was normal.
I don't believe this was due to slow network cards/disk drives or overloaded
machines.
I believe this and hadoop-3033 are related somehow.
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