Object

com.twitter.scalding

Tracing

Related Doc: package scalding

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object Tracing

Calling init registers "com.twitter.scalding" as a "tracing boundary" for Cascading. That means that when Cascading sends trace information to a DocumentService such as Driven, the trace will have information about the caller of Scalding instead of about the internals of Scalding. com.twitter.scalding.Job and its subclasses will automatically initialize Tracing.

register and unregister methods are provided for testing, but should not be needed for most development

Source
Tracing.scala
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  2. final def ##(): Int

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  4. final def asInstanceOf[T0]: T0

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  10. def hashCode(): Int

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  11. def init(): Unit

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    Forces the initialization of the Tracing object which in turn causes the one time registration of "com.twitter.scalding" as a tracing boundary in Cascading

  12. final def isInstanceOf[T0]: Boolean

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

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  14. final def notify(): Unit

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  15. final def notifyAll(): Unit

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  16. def register(regex: String = defaultRegex): Unit

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    Explicitly registers "com.twitter.scalding" as a Cascading tracing boundary.

    Explicitly registers "com.twitter.scalding" as a Cascading tracing boundary. Normally not needed, but may be useful after a call to unregister()

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

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  18. def toString(): String

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  19. def unregister(regex: String = defaultRegex): Unit

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    Unregisters "com.twitter.scalding" as a Cascading tracing bounardy.

    Unregisters "com.twitter.scalding" as a Cascading tracing bounardy. After calling this, Cascading DocumentServices such as Driven will show nodes as being created by Scalding class such as RichPipe instead of end user written code. This should normally not be called but can be useful in testing the development of Scalding internals

  20. final def wait(): Unit

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

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

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