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From "Karam Singh (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-834) When TaskTracker config use old memory management values its memory monitoring is diabled.
Date Fri, 07 Aug 2009 10:01:14 GMT
When TaskTracker config use old memory management values its memory monitoring is diabled.
------------------------------------------------------------------------------------------

                 Key: MAPREDUCE-834
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-834
             Project: Hadoop Map/Reduce
          Issue Type: Bug
            Reporter: Karam Singh


TaskTracker memory config values -:
mapred.tasktracker.vmem.reserved=8589934592
mapred.task.default.maxvmem=2147483648
mapred.task.limit.maxvmem=4294967296
mapred.tasktracker.pmem.reserved=2147483648
TaskTracker start as -:
               2009-08-05 12:39:03,308 WARN org.apache.hadoop.mapred.TaskTracker: The variable
mapred.tasktracker.vmem.reserved is no longer used
		2009-08-05 12:39:03,308 WARN org.apache.hadoop.mapred.TaskTracker: The variable mapred.tasktracker.pmem.reserved
is no longer used
		2009-08-05 12:39:03,308 WARN org.apache.hadoop.mapred.TaskTracker: The variable mapred.task.default.maxvmem
is no longer used
		2009-08-05 12:39:03,308 WARN org.apache.hadoop.mapred.TaskTracker: The variable mapred.task.limit.maxvmem
is no longer used
		2009-08-05 12:39:03,308 INFO org.apache.hadoop.mapred.TaskTracker: Starting thread: Map-events
fetcher for all reduce tasks on <tracker_name>
		2009-08-05 12:39:03,309 INFO org.apache.hadoop.mapred.TaskTracker:  Using MemoryCalculatorPlugin
: org.apache.hadoop.util.LinuxMemoryCalculatorPlugin@19be4777
		2009-08-05 12:39:03,311 WARN org.apache.hadoop.mapred.TaskTracker: TaskTracker's totalMemoryAllottedForTasks
is -1. TaskMemoryManager is disabled.



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