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.
Method Summary |
void |
adjustThreshold(QueueElementIF[] fetched,
long procTime)
Invoked by the stage's thread manager to adjust admission control
parameters. |
private double |
rateAdd(double err)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
DEBUG
private static final boolean DEBUG
- See Also:
- Constant Field Values
MEASUREMENT_SIZE
private static final int MEASUREMENT_SIZE
- See Also:
- Constant Field Values
MEASUREMENT_TIME
private static final long MEASUREMENT_TIME
- See Also:
- Constant Field Values
SMOOTH_CONST
private static final double SMOOTH_CONST
- See Also:
- Constant Field Values
NINETIETH
private static final int NINETIETH
- See Also:
- Constant Field Values
LOW_WATER
private static final double LOW_WATER
- See Also:
- Constant Field Values
HIGH_WATER
private static final double HIGH_WATER
- See Also:
- Constant Field Values
ADDITIVE_INCREASE
private static final double ADDITIVE_INCREASE
- See Also:
- Constant Field Values
MULTIPLICATIVE_INCREASE
private static final double MULTIPLICATIVE_INCREASE
- See Also:
- Constant Field Values
MULTIPLICATIVE_DECREASE
private static final double MULTIPLICATIVE_DECREASE
- See Also:
- Constant Field Values
MULTIPLICATIVE_DECREASE_LOWPRIO
private static final double MULTIPLICATIVE_DECREASE_LOWPRIO
- See Also:
- Constant Field Values
MULTIPLICATIVE_DECREASE_HIPRIO
private static final double MULTIPLICATIVE_DECREASE_HIPRIO
- See Also:
- Constant Field Values
INIT_RATE
private static final double INIT_RATE
- See Also:
- Constant Field Values
INIT_DEPTH
private static final int INIT_DEPTH
- See Also:
- Constant Field Values
MAX_RATE
private static final double MAX_RATE
- See Also:
- Constant Field Values
MIN_RATE
private static final double MIN_RATE
- See Also:
- Constant Field Values
MIN_90th
private static final double MIN_90th
- See Also:
- Constant Field Values
LOWCOUNT_THRESH
private static final int LOWCOUNT_THRESH
- See Also:
- Constant Field Values
SAVE_MAX_RATE
private static final boolean SAVE_MAX_RATE
- See Also:
- Constant Field Values
MAX_CLASSES
private static final int MAX_CLASSES
- See Also:
- Constant Field Values
NUM_CLASSES
private int NUM_CLASSES
name
private java.lang.String name
enabled
private boolean enabled
carr
private ResponseTimeControllerMulticlass.cinfo[] carr
ResponseTimeControllerMulticlass
public ResponseTimeControllerMulticlass(ManagerIF mgr,
StageWrapperIF stage)
throws java.lang.IllegalArgumentException
- Throws:
java.lang.IllegalArgumentException
rateAdd
private double rateAdd(double err)
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.
- Specified by:
adjustThreshold
in interface ResponseTimeControllerIF
- Overrides:
adjustThreshold
in class ResponseTimeControllerDirect