seda.sandStorm.internal
Class ResponseTimeControllerMulticlass

java.lang.Object
  |
  +--seda.sandStorm.internal.ResponseTimeController
        |
        +--seda.sandStorm.internal.ResponseTimeControllerDirect
              |
              +--seda.sandStorm.internal.ResponseTimeControllerMulticlass

All Implemented Interfaces:

ResponseTimeControllerIF

public class ResponseTimeControllerMulticlass

extends ResponseTimeControllerDirect

An implementation of ResponseTimeController that uses a direct adjustment of queue thresholds based on the error in the 90th percentile response time. Allows multiple class SLAs.

Author:

Matt Welsh

Inner Class Summary

(package private) class

ResponseTimeControllerMulticlass.cinfo

Fields inherited from class seda.sandStorm.internal.ResponseTimeControllerDirect

INIT_THRESHOLD, MAX_THRESHOLD, MIN_THRESHOLD

Fields inherited from class seda.sandStorm.internal.ResponseTimeController

pred, stage, targetRT

Constructor Summary

ResponseTimeControllerMulticlass(ManagerIF mgr, StageWrapperIF stage)

Method Summary

void	adjustThreshold(QueueElementIF[] fetched, long procTime) Invoked by the stage's thread manager to adjust admission control parameters.

Methods inherited from class seda.sandStorm.internal.ResponseTimeControllerDirect

disable, enable

Methods inherited from class seda.sandStorm.internal.ResponseTimeController

getTarget, setTarget

Methods inherited from class java.lang.Object

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

Constructor Detail

ResponseTimeControllerMulticlass

public ResponseTimeControllerMulticlass(ManagerIF mgr,
                                        StageWrapperIF stage)
                                 throws java.lang.IllegalArgumentException

Method Detail

adjustThreshold

public void adjustThreshold(QueueElementIF[] fetched,
                            long procTime)

Description copied from interface: ResponseTimeControllerIF

Invoked by the stage's thread manager to adjust admission control parameters.

Overrides:

adjustThreshold in class ResponseTimeControllerDirect