Package org.apache.storm.metrics.sigar
Class CPUMetric
java.lang.Object
org.apache.storm.metrics.sigar.CPUMetric
- All Implemented Interfaces:
IMetric
A metric using Sigar to get User and System CPU utilization for a worker.
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Constructor Details
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CPUMetric
public CPUMetric()
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Method Details
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getValueAndReset
Description copied from interface:IMetric
Get value and reset.- Specified by:
getValueAndReset
in interfaceIMetric
- Returns:
- an object that will be sent to
IMetricsConsumer.handleDataPoints(org.apache.storm.metric.api.IMetricsConsumer.TaskInfo, java.util.Collection)
. Ifnull
is returned nothing will be sent. If this value can be reset, like with a counter, a side effect of calling this should be that the value is reset.
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