org.apache.spark

SparkEnv

class SparkEnv extends AnyRef

Holds all the runtime environment objects for a running Spark instance (either master or worker), including the serializer, Akka actor system, block manager, map output tracker, etc. Currently Spark code finds the SparkEnv through a thread-local variable, so each thread that accesses these objects needs to have the right SparkEnv set. You can get the current environment with SparkEnv.get (e.g. after creating a SparkContext) and set it with SparkEnv.set.

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  1. SparkEnv
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Instance Constructors

  1. new SparkEnv(executorId: String, actorSystem: ActorSystem, serializerManager: SerializerManager, serializer: Serializer, closureSerializer: Serializer, cacheManager: CacheManager, mapOutputTracker: MapOutputTracker, shuffleFetcher: ShuffleFetcher, broadcastManager: BroadcastManager, blockManager: BlockManager, connectionManager: ConnectionManager, httpFileServer: HttpFileServer, sparkFilesDir: String, metricsSystem: MetricsSystem)

Value Members

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

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

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  3. final def ##(): Int

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  4. final def ==(arg0: AnyRef): Boolean

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

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  6. val actorSystem: ActorSystem

  7. final def asInstanceOf[T0]: T0

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  8. val blockManager: BlockManager

  9. val broadcastManager: BroadcastManager

  10. val cacheManager: CacheManager

  11. def clone(): AnyRef

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  12. val closureSerializer: Serializer

  13. val connectionManager: ConnectionManager

  14. def createPythonWorker(pythonExec: String, envVars: Map[String, String]): Socket

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

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  16. def equals(arg0: Any): Boolean

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  17. val executorId: String

  18. def finalize(): Unit

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  19. final def getClass(): java.lang.Class[_]

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  20. val hadoop: SparkHadoopUtil

  21. def hashCode(): Int

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  22. val httpFileServer: HttpFileServer

  23. final def isInstanceOf[T0]: Boolean

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  24. val mapOutputTracker: MapOutputTracker

  25. val metricsSystem: MetricsSystem

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

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  27. final def notify(): Unit

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  28. final def notifyAll(): Unit

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  29. val serializer: Serializer

  30. val serializerManager: SerializerManager

  31. val shuffleFetcher: ShuffleFetcher

  32. val sparkFilesDir: String

  33. def stop(): Unit

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

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  35. def toString(): String

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  36. final def wait(): Unit

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

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

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