Package com.yahoo.vespa.curator.stats

Class LatencyMetrics

java.lang.Object
com.yahoo.vespa.curator.stats.LatencyMetrics
public class LatencyMetrics extends Object
Metrics on the time interval associated with e.g. the acquiring of a lock.

In the language of LatencyStats, these metrics relate to time intervals associated with e.g. the acquiring of a lock, collected over time period.

Author:
hakon
See Also:

  • Constructor Summary

    Constructors
    Constructor
    Description
    LatencyMetrics(Duration latency, Duration maxLatency, Duration maxActiveLatency, double startHz, double endHz, Map<String,Double> loadByThread, double load, int maxLoad, int currentLoad)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    currentLoad()
    Returns the number of active intervals right now.
    double
    endHz()
    Returns the average number of intervals that ended in the period per second.
    double
    latencySeconds()
    Returns the average latency of all intervals that ended in the period.
    double
    load()
    The average load of the implied time period, with 3 decimal places precision.
    Map<String,Double>
    loadByThread()
    Returns the average load of the implied time period, for each thread with non-zero load, with 3 decimal places precision.
    double
    maxActiveLatencySeconds()
    Return the maximum latency of any interval that ended in the period, or is still active.
    double
    maxLatencySeconds()
    Returns the maximum latency of any interval that ended in the period.
    int
    maxLoad()
    Returns the maximum number of concurrently active intervals in the period.
    double
    startHz()
    Returns the average number of intervals that started in the period per second.
    String
    toString()
     

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • LatencyMetrics

      public LatencyMetrics(Duration latency, Duration maxLatency, Duration maxActiveLatency, double startHz, double endHz, Map<String,Double> loadByThread, double load, int maxLoad, int currentLoad)

  • Method Details

    • latencySeconds

      public double latencySeconds()
      Returns the average latency of all intervals that ended in the period.

    • maxLatencySeconds

      public double maxLatencySeconds()
      Returns the maximum latency of any interval that ended in the period.

    • maxActiveLatencySeconds

      public double maxActiveLatencySeconds()
      Return the maximum latency of any interval that ended in the period, or is still active.

    • startHz

      public double startHz()
      Returns the average number of intervals that started in the period per second.

    • endHz

      public double endHz()
      Returns the average number of intervals that ended in the period per second.

    • loadByThread

      public Map<String,Double> loadByThread()
      Returns the average load of the implied time period, for each thread with non-zero load, with 3 decimal places precision.

    • load

      public double load()
      The average load of the implied time period, with 3 decimal places precision.

    • maxLoad

      public int maxLoad()
      Returns the maximum number of concurrently active intervals in the period.

    • currentLoad

      public int currentLoad()
      Returns the number of active intervals right now.

    • toString

      public String toString()
      Overrides:
      toString in class Object