alluxio.worker.job.command

Class JobWorkerHealthReporter

java.lang.Object

alluxio.worker.job.command.JobWorkerHealthReporter

Direct Known Subclasses:

AlwaysHealthyJobWorkerHealthReporter

public class JobWorkerHealthReporter
extends java.lang.Object

The job worker health reporter.

Constructor Summary

Constructors

Constructor and Description
JobWorkerHealthReporter() Default constructor.

Method Summary

Modifier and Type	Method and Description
void	compute() Computes all of the metrics needed for JobWorkerHealthReporter.
java.util.List<java.lang.Double>	getCpuLoadAverage() Returns the system load average of the worker.
boolean	isHealthy() Determines whether the system is healthy from all the metrics it has collected.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JobWorkerHealthReporter

public JobWorkerHealthReporter()

Default constructor.

Method Detail

getCpuLoadAverage

public java.util.List<java.lang.Double> getCpuLoadAverage()

Returns the system load average of the worker. See http://oshi.github.io/oshi/apidocs/oshi/hardware/CentralProcessor.html#getSystemLoadAverage

Returns:

the system load average of the worker

isHealthy

public boolean isHealthy()

Determines whether the system is healthy from all the metrics it has collected.

Returns:

true if system is deemed healthy, false otherwise

compute

public void compute()

Computes all of the metrics needed for JobWorkerHealthReporter.