TaskTracker.indexCache is incorrectly synchronized
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Key: MAPREDUCE-1497
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1497
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: tasktracker
Reporter: Amareshwari Sriramadasu
Fix For: 0.22.0
TaskTracker.indexCache is incorrectly synchronized.
It is not accessed synchronously from MapOutputServlet.doGet, TaskCleanupThread
and TaskTracker.killOverflowingTasks() method. Other callers access it
synchronously.
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