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From "Runping Qi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3132) DFS writes stuck occationally
Date Sat, 29 Mar 2008 14:22:24 GMT
DFS writes stuck occationally

                 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
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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