org.apache.spark.deploy.yarn

YarnSparkHadoopUtil

object YarnSparkHadoopUtil

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

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  3. final def ##(): Int

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  6. val ANY_HOST: String

  7. val DEFAULT_NUMBER_EXECUTORS: Int

  8. val FS_CREDENTIALS_MAX_FETCH_ATTEMPTS_CONF: String

  9. val FS_CREDENTIALS_MAX_FETCH_ATTEMPTS_DFLT: Int

  10. val MEMORY_OVERHEAD_FACTOR: Double

  11. val MEMORY_OVERHEAD_MIN: Int

  12. val RM_REQUEST_PRIORITY: Priority

  13. def addPathToEnvironment(env: HashMap[String, String], key: String, value: String): Unit

    Add a path variable to the given environment map.

    Add a path variable to the given environment map. If the map already contains this key, append the value to the existing value instead.

  14. final def asInstanceOf[T0]: T0

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  15. def clone(): AnyRef

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  17. def equals(arg0: Any): Boolean

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  18. def escapeForShell(arg: String): String

    Escapes a string for inclusion in a command line executed by Yarn.

    Escapes a string for inclusion in a command line executed by Yarn. Yarn executes commands using either

    (Unix-based) bash -c "command arg1 arg2" and that means plain quoting doesn't really work. The argument is enclosed in single quotes and some key characters are escaped.

    (Windows-based) part of a .cmd file in which case windows escaping for each argument must be applied. Windows is quite lenient, however it is usually Java that causes trouble, needing to distinguish between arguments starting with '-' and class names. If arguments are surrounded by ' java takes the following string as is, hence an argument is mistakenly taken as a class name which happens to start with a '-'. The way to avoid this, is to surround nothing with a ', but instead with a ".

    arg

    A single argument.

    returns

    Argument quoted for execution via Yarn's generated shell script.

  19. def expandEnvironment(environment: Environment): String

  20. def finalize(): Unit

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  21. def get: YarnSparkHadoopUtil

  22. def getApplicationAclsForYarn(securityMgr: SecurityManager): Map[ApplicationAccessType, String]

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

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  24. def getClassPathSeparator(): String

  25. def getInitialTargetExecutorNumber(conf: SparkConf, numExecutors: Int = DEFAULT_NUMBER_EXECUTORS): Int

    Getting the initial target number of executors depends on whether dynamic allocation is enabled.

    Getting the initial target number of executors depends on whether dynamic allocation is enabled. If not using dynamic allocation it gets the number of executors reqeusted by the user.

  26. def hashCode(): Int

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  27. final def isInstanceOf[T0]: Boolean

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  29. final def notify(): Unit

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  30. final def notifyAll(): Unit

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  31. def setEnvFromInputString(env: HashMap[String, String], inputString: String): Unit

    Set zero or more environment variables specified by the given input string.

    Set zero or more environment variables specified by the given input string. The input string is expected to take the form "KEY1=VAL1,KEY2=VAL2,KEY3=VAL3".

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

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  33. def toString(): String

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  34. final def wait(): Unit

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

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

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