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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-834) When TaskTracker config use old memory management values its memory monitoring is diabled.
Date Thu, 20 Aug 2009 07:13:14 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hemanth Yamijala updated MAPREDUCE-834:
---------------------------------------

    Assignee: Sreekanth Ramakrishnan
      Status: Patch Available  (was: Open)

Last patch looks fine to me. +1. Running through Hudson. Let's wait for the hudson run before
uploading the 20 patch.

> 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
>            Assignee: Sreekanth Ramakrishnan
>         Attachments: mapreduce-834-1.patch, mapreduce-834-2.patch, mapreduce-834-3.patch,
mapreduce-834-4.patch
>
>
> 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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