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Posted to mapreduce-dev@hadoop.apache.org by "Jaideep (JIRA)" <ji...@apache.org> on 2010/02/02 10:12:18 UTC
[jira] Created: (MAPREDUCE-1438) Include one minute load average
information in TaskTrackerStatus.ResourceStatus
Include one minute load average information in TaskTrackerStatus.ResourceStatus
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Key: MAPREDUCE-1438
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1438
Project: Hadoop Map/Reduce
Issue Type: Wish
Components: tasktracker
Reporter: Jaideep
Priority: Minor
Load averages are useful indicators of overall system CPU and I/O activity. Including load average information in ResourceStatus could be useful to schedulers in balancing load across TaskTrackers. Since JDK 1.6, one minute. load information can be obtained using the OperatingSystemMXBean.getSystemLoadAverage() method.
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