Task's diagnostic messages are lost sometimes
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Key: HADOOP-1840
URL: https://issues.apache.org/jira/browse/HADOOP-1840
Project: Hadoop
Issue Type: Bug
Components: mapred
Reporter: Arun C Murthy
Assignee: Arun C Murthy
Priority: Critical
Fix For: 0.15.0
HADOOP-1158 (scheduled for 0.15.0) introduced a bug where sometimes the task's
diagnostic's messages sent via {{TaskUmbilicalProtocol.reportDiagnosticInfo}}
are lost. This is due to them being not being saved properly and being
overridden in {{TaskStatus.statusUpdate}}, simple fix is to append the prev
diagnostic message.
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