alluxio.worker.job.command

Class JobWorkerHealthReporter.JobWorkerHealthReport

java.lang.Object

alluxio.worker.job.command.JobWorkerHealthReporter.JobWorkerHealthReport

Enclosing class:

JobWorkerHealthReporter

public static class JobWorkerHealthReporter.JobWorkerHealthReport
extends Object

It represents the job worker health information.

Constructor Summary

Constructors

Constructor and Description
JobWorkerHealthReport(oshi.hardware.HardwareAbstractionLayer hardware, WorkerNetAddress workerNetAddress) Creates a new instance of JobWorkerHealthReporter.JobWorkerHealthReport.

Method Summary

Modifier and Type	Method and Description
List<Double>	getCpuLoadAverage() Returns the system load average of the worker.
long	getLastComputed() Returns the worker health observed time.
int	getLogicalProcessorCount() Returns the system logical processor count.
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

JobWorkerHealthReport

public JobWorkerHealthReport(oshi.hardware.HardwareAbstractionLayer hardware,
                             WorkerNetAddress workerNetAddress)

Creates a new instance of JobWorkerHealthReporter.JobWorkerHealthReport.

Parameters:

hardware - represents the system info of the worker

workerNetAddress - the connection info for this worker

Method Detail

getCpuLoadAverage

public List<Double> getCpuLoadAverage()

Returns the system load average of the worker. See https://www.oshi.ooo/oshi-core/apidocs/oshi/hardware/CentralProcessor.html#getSystemLoadAverage(int)

Returns:

the system load average of the worker

getLogicalProcessorCount

public int getLogicalProcessorCount()

Returns the system logical processor count. Ref: https://www.oshi.ooo/oshi-core/apidocs/oshi/hardware/CentralProcessor.html#getLogicalProcessorCount()

Returns:

the logical process count of the worker

getLastComputed

public long getLastComputed()

Returns the worker health observed time.

Returns:

observed time

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