object IOUtils

The object IOUtils contains some helper code for the sparkMeasure package The methods readSerializedStageMetrics and readSerializedTaskMetrics are used to read data serialized into files by the "flight recorder" mode. Two serialization modes are supported currently: java serialization and JSON serialization with jackson library.

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  1. final def !=(arg0: Any): Boolean
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  15. val objectMapper: ObjectMapper with ScalaObjectMapper
  16. val objectWriter: ObjectWriter
  17. def readSerialized[T](metricsFileName: String): ListBuffer[T]
  18. def readSerializedStageMetrics(stageMetricsFileName: String): ListBuffer[StageVals]
  19. def readSerializedStageMetricsJSON(stageMetricsFileName: String): List[StageVals]
  20. def readSerializedTaskMetrics(stageMetricsFileName: String): ListBuffer[TaskVals]
  21. def readSerializedTaskMetricsJSON(taskMetricsFileName: String): List[TaskVals]
  22. final def synchronized[T0](arg0: => T0): T0
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  23. def toString(): String
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  24. final def wait(): Unit
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  25. final def wait(arg0: Long, arg1: Int): Unit
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  26. final def wait(arg0: Long): Unit
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  27. def writeSerialized(fullPath: String, metricsData: Any): Unit
  28. def writeSerializedJSON(fullPath: String, metricsData: AnyRef): Unit
  29. def writeSerializedJSONToHadoop(fullPath: String, metricsData: AnyRef, conf: SparkConf): Unit
  30. def writeToStringSerializedJSON(metricsData: AnyRef): String

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