Package com.linkedin.venice.fastclient.meta

Class InstanceLoadController

java.lang.Object

com.linkedin.venice.fastclient.meta.InstanceLoadController

public class InstanceLoadController
extends Object

This class maintains per-instance LoadController to track the overload status of each instance.

Constructor Summary

Constructors

Constructor	Description
InstanceLoadController(InstanceHealthMonitorConfig config)

Method Summary

Modifier and Type	Method	Description
double	getRejectionRatio(String instanceId)
int	getTotalNumberOfOverLoadedInstances()
void	recordResponse(String instanceId, int responseStatus)
boolean	shouldRejectRequest(String instanceId)	This method will check whether the incoming request to the specified instance should be rejected or not.

Methods inherited from class java.lang.Object

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

Constructor Details

InstanceLoadController

public InstanceLoadController(InstanceHealthMonitorConfig config)

Method Details

recordResponse

public void recordResponse(String instanceId,
 int responseStatus)

shouldRejectRequest

public boolean shouldRejectRequest(String instanceId)

This method will check whether the incoming request to the specified instance should be rejected or not. If it gets rejected, it will record the request in the LoadController to track the overload status.

getTotalNumberOfOverLoadedInstances

public int getTotalNumberOfOverLoadedInstances()

getRejectionRatio

public double getRejectionRatio(String instanceId)