io.gearpump.util.HistoryMetricsService

MinMaxMetricsStore

Related Doc: package HistoryMetricsService

class MinMaxMetricsStore extends MetricsStore

Metrics store to store history data points For each time point, we will store two data points, with one min, and one max.

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MetricsStore, AnyRef, Any
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Instance Constructors

  1. new MinMaxMetricsStore(retainCount: Int, retainIntervalMs: Long, compare: (HistoryMetricsItem, HistoryMetricsItem) ⇒ Boolean)

    retainCount

    how many data points to retain, old data will be removed

    retainIntervalMs

    time interval between two data points.

    compare

    (left, right) => true, return true when left > right We should compare to decide which data point to keep in current time interval. The data point which is max or min in value will be kept.

Value Members

  1. final def !=(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

    Definition Classes
    AnyRef → Any

  3. final def ==(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  4. def add(inputMetrics: MetricType, now: TimeStamp): Unit

  5. def add(inputMetrics: MetricType): Unit

    Definition Classes
    MinMaxMetricsStore → MetricsStore

  6. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  7. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
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    @throws( ... )

  8. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  9. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  10. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
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    @throws( classOf[java.lang.Throwable] )

  11. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any

  12. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  13. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  14. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  15. final def notify(): Unit

    Definition Classes
    AnyRef

  16. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  17. val queue: ArrayDeque[MinMaxMetrics]

  18. def read: List[HistoryMetricsItem]

    Definition Classes
    MinMaxMetricsStore → MetricsStore

  19. def readLatest: List[HistoryMetricsItem]

    read latest inserted records

    read latest inserted records

    returns

    Definition Classes
    MinMaxMetricsStore → MetricsStore

  20. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef

  21. def toString(): String

    Definition Classes
    AnyRef → Any

  22. final def wait(): Unit

    Definition Classes
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    @throws( ... )

  23. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
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    @throws( ... )

  24. final def wait(arg0: Long): Unit

    Definition Classes
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    @throws( ... )

Inherited from MetricsStore

Inherited from AnyRef

Inherited from Any

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