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Posted to yarn-dev@hadoop.apache.org by "Sunil G (JIRA)" <ji...@apache.org> on 2015/10/28 17:17:27 UTC
[jira] [Created] (YARN-4308) ContainersAggregated CPU resource
utilization reports negative usage in first few heartbeats
Sunil G created YARN-4308:
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Summary: ContainersAggregated CPU resource utilization reports negative usage in first few heartbeats
Key: YARN-4308
URL: https://issues.apache.org/jira/browse/YARN-4308
Project: Hadoop YARN
Issue Type: Bug
Components: nodemanager
Affects Versions: 2.7.1
Reporter: Sunil G
Assignee: Sunil G
NodeManager reports ContainerAggregated CPU resource utilization as -ve value in first few heartbeats cycles. I added a new debug print and received below values from heartbeats.
{noformat}
INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorImpl: ContainersResource Utilization : CpuTrackerUsagePercent : -1.0
INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorImpl:ContainersResource Utilization : CpuTrackerUsagePercent : 198.94598
{noformat}
Its better we send 0 as CPU usage rather than sending a negative values in heartbeats eventhough its happening in only first few heartbeats.
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