Trait/Object

org.apache.spark.metrics

InputMetricsUpdater

Related Docs: object InputMetricsUpdater | package metrics

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sealed trait InputMetricsUpdater extends MetricsUpdater

A trait that provides a method to update read metrics which are collected for connector related tasks. The appropriate instance is created by the companion object.

Instances of this trait are not thread-safe. They do not need to because a single instance should be created for each Cassandra read task. This remains valid as long as Cassandra read tasks are single-threaded.

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MetricsUpdater, AnyRef, Any
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Abstract Value Members

  1. abstract def finish(): Long

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    A method to be called when the task is finished.

    A method to be called when the task is finished. It stops the task timer and flushes data.

    Definition Classes
    MetricsUpdater

Concrete Value Members

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

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    AnyRef → Any
  2. final def ##(): Int

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

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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    Attributes
    protected[java.lang]
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    @throws( ... )
  6. final def eq(arg0: AnyRef): Boolean

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  9. final def getClass(): Class[_]

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  10. def hashCode(): Int

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  11. final def isInstanceOf[T0]: Boolean

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

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  13. final def notify(): Unit

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  14. final def notifyAll(): Unit

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

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  16. def toString(): String

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  17. def updateMetrics(row: Row): Row

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    Updates the metrics being collected for the connector after reading each single row.

    Updates the metrics being collected for the connector after reading each single row. This method is not thread-safe.

    row

    the row which has just been read

  18. final def wait(): Unit

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    @throws( ... )
  19. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )
  20. final def wait(arg0: Long): Unit

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Inherited from MetricsUpdater

Inherited from AnyRef

Inherited from Any

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