TimeServerPrms (GemFire XD Java API Documentation)

java.lang.Object
- hydra.BasePrms
- - hydra.timeserver.TimeServerPrms

public class TimeServerPrms
extends BasePrms

Field Summary

Fields
Modifier and Type	Field and Description
`static Long`	`clockSkewMaxLatencyMs` (long) Number of milliseconds of latency allowed in a clock skew update.
`static Long`	`clockSkewSamplesToAverage` (int) Number of clock skew samples to average for each update to the clock skew Defaults to `DEFAULT_CLOCK_SKEW_SAMPLES_TO_AVERAGE`
`static Long`	`clockSkewThresholdMs` (long) Number of milliseconds of clock skew in System.currentTimeMillis() a test will tolerate between multiple hosts on startup.
`static Long`	`clockSkewUpdateFrequencyMs` (long) Number of milliseconds to sleep in between updates to the clock skew in System.nanoTime between the client VMs and the master controller.
`static int`	`DEFAULT_CLOCK_SKEW_MAX_LATENCY_MS`
`static int`	`DEFAULT_CLOCK_SKEW_SAMPLES_TO_AVERAGE`
`static long`	`DEFAULT_CLOCK_SKEW_THRESHOLD_MS`
`static int`	`DEFAULT_CLOCK_SKEW_UPDATE_FREQUENCY_MS`
`static boolean`	`DEFAULT_ERROR_ON_EXCEEDED_CLOCK_SKEW_THRESHOLD`
`static Long`	`errorOnExceededClockSkewThreshold` (boolean) Whether a test should fail if it exceeds `clockSkewThresholdMs`.

Fields inherited from class hydra.BasePrms
DASH, DEFAULT, NONE

Constructor Summary

Constructors
Constructor and Description

TimeServerPrms()

Constructors
Constructor and Description
`TimeServerPrms()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static int`	`clockSkewMaxLatencyMs()`
`static int`	`clockSkewSamplesToAverage()`
`static long`	`clockSkewThresholdMs()`
`static long`	`clockSkewThresholdMs(TestConfig tc)` This method allows the hostagent to use its own sub-configuration
`static int`	`clockSkewUpdateFrequencyMs()`
`static boolean`	`errorOnExceededClockSkewThreshold()`
`static boolean`	`errorOnExceededClockSkewThreshold(TestConfig tc)` This method allows the hostagent to use its own sub-configuration
`static void`	`main(String[] args)`

Methods inherited from class hydra.BasePrms
dumpKeys, keyForName, nameForKey, setValues, tab, tasktab

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - clockSkewThresholdMs
```
public static Long clockSkewThresholdMs
```
    (long) Number of milliseconds of clock skew in System.currentTimeMillis() a test will tolerate between multiple hosts on startup. Defaults to DEFAULT_CLOCK_SKEW_THRESHOLD_MS, which tolerates any amount of skew. If the threshold is exceeded, hydra will attempt to resynchronize the clocks via NTP. If this fails, hydra honors errorOnExceededClockSkewThreshold.
    
    Since:
    
    5.0
  - DEFAULT_CLOCK_SKEW_THRESHOLD_MS
```
public static final long DEFAULT_CLOCK_SKEW_THRESHOLD_MS
```
    See Also:
    
    Constant Field Values
  - errorOnExceededClockSkewThreshold
```
public static Long errorOnExceededClockSkewThreshold
```
    (boolean) Whether a test should fail if it exceeds clockSkewThresholdMs. Defaults to false, but note that, even when true, this has no effect if the default threshold is used.
    
    Since:
    
    5.0
  - DEFAULT_ERROR_ON_EXCEEDED_CLOCK_SKEW_THRESHOLD
```
public static final boolean DEFAULT_ERROR_ON_EXCEEDED_CLOCK_SKEW_THRESHOLD
```
    See Also:
    
    Constant Field Values
  - clockSkewUpdateFrequencyMs
```
public static Long clockSkewUpdateFrequencyMs
```
    (long) Number of milliseconds to sleep in between updates to the clock skew in System.nanoTime between the client VMs and the master controller. Defaults to DEFAULT_CLOCK_SKEW_UPDATE_FREQUENCY_MS, which that the client will not calculate clock skew for System.nanoTime.
    
    Since:
    
    5.0
  - DEFAULT_CLOCK_SKEW_UPDATE_FREQUENCY_MS
```
public static final int DEFAULT_CLOCK_SKEW_UPDATE_FREQUENCY_MS
```
    See Also:
    
    Constant Field Values
  - clockSkewMaxLatencyMs
```
public static Long clockSkewMaxLatencyMs
```
    (long) Number of milliseconds of latency allowed in a clock skew update. Responses from the master controller with a higher latency will be discarded. Defaults to DEFAULT_CLOCK_SKEW_MAX_LATENCY_MS
    
    Since:
    
    5.0
  - DEFAULT_CLOCK_SKEW_MAX_LATENCY_MS
```
public static final int DEFAULT_CLOCK_SKEW_MAX_LATENCY_MS
```
    See Also:
    
    Constant Field Values
  - clockSkewSamplesToAverage
```
public static Long clockSkewSamplesToAverage
```
    (int) Number of clock skew samples to average for each update to the clock skew Defaults to DEFAULT_CLOCK_SKEW_SAMPLES_TO_AVERAGE
    
    Since:
    
    5.0
  - DEFAULT_CLOCK_SKEW_SAMPLES_TO_AVERAGE
```
public static final int DEFAULT_CLOCK_SKEW_SAMPLES_TO_AVERAGE
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - TimeServerPrms
```
public TimeServerPrms()
```
- Method Detail
  - clockSkewThresholdMs
```
public static long clockSkewThresholdMs()
```
  - clockSkewThresholdMs
```
public static long clockSkewThresholdMs(TestConfig tc)
```
    This method allows the hostagent to use its own sub-configuration
  - errorOnExceededClockSkewThreshold
```
public static boolean errorOnExceededClockSkewThreshold()
```
  - errorOnExceededClockSkewThreshold
```
public static boolean errorOnExceededClockSkewThreshold(TestConfig tc)
```
    This method allows the hostagent to use its own sub-configuration
  - clockSkewUpdateFrequencyMs
```
public static int clockSkewUpdateFrequencyMs()
```
  - clockSkewMaxLatencyMs
```
public static int clockSkewMaxLatencyMs()
```
  - clockSkewSamplesToAverage
```
public static int clockSkewSamplesToAverage()
```
  - main
```
public static void main(String[] args)
```

Class TimeServerPrms

Field Summary

Fields inherited from class hydra.BasePrms

Constructor Summary

Method Summary

Methods inherited from class hydra.BasePrms

Methods inherited from class java.lang.Object

Field Detail

clockSkewThresholdMs

DEFAULT_CLOCK_SKEW_THRESHOLD_MS

errorOnExceededClockSkewThreshold

DEFAULT_ERROR_ON_EXCEEDED_CLOCK_SKEW_THRESHOLD

clockSkewUpdateFrequencyMs

DEFAULT_CLOCK_SKEW_UPDATE_FREQUENCY_MS

clockSkewMaxLatencyMs

DEFAULT_CLOCK_SKEW_MAX_LATENCY_MS

clockSkewSamplesToAverage

DEFAULT_CLOCK_SKEW_SAMPLES_TO_AVERAGE

Constructor Detail

TimeServerPrms

Method Detail

clockSkewThresholdMs

clockSkewThresholdMs

errorOnExceededClockSkewThreshold

errorOnExceededClockSkewThreshold

clockSkewUpdateFrequencyMs

clockSkewMaxLatencyMs

clockSkewSamplesToAverage

main