InputMetricsUpdater

Value Members

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

   

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2. final def ##(): Int

   

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

   

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4. val DefaultGroupSize: Int

   

5. def apply(taskContext: TaskContext, readConf: ReadConf, groupSize: Int = DefaultGroupSize): InputMetricsUpdater

   

   Creates the appropriate instance of InputMetricsUpdater.

   Creates the appropriate instance of InputMetricsUpdater.

   If ReadConf.taskMetricsEnabled is true, the created instance will be updating task metrics so that Spark will report them in the UI. Remember that this is supported for Spark 1.2+.

   If CassandraConnectorSource is registered in Spark metrics system, the created instance will be updating the included Codahale metrics. In order to register CassandraConnectorSource you need to add it to the metrics configuration file.

   taskContext

   task context of a task for which this metrics updater is created

   readConf

   read configuration

   groupSize

   allows to update Codahale metrics every the given number of rows in order to decrease overhead

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