org.apache.spark.scheduler.DAGSchedulerSource.scala Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
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package org.apache.spark.scheduler
import com.codahale.metrics.{Gauge, MetricRegistry, Timer}
import org.apache.spark.metrics.source.Source
private[scheduler] class DAGSchedulerSource(val dagScheduler: DAGScheduler)
extends Source {
override val metricRegistry = new MetricRegistry()
override val sourceName = "DAGScheduler"
metricRegistry.register(MetricRegistry.name("stage", "failedStages"), new Gauge[Int] {
override def getValue: Int = dagScheduler.failedStages.size
})
metricRegistry.register(MetricRegistry.name("stage", "runningStages"), new Gauge[Int] {
override def getValue: Int = dagScheduler.runningStages.size
})
metricRegistry.register(MetricRegistry.name("stage", "waitingStages"), new Gauge[Int] {
override def getValue: Int = dagScheduler.waitingStages.size
})
metricRegistry.register(MetricRegistry.name("job", "allJobs"), new Gauge[Int] {
override def getValue: Int = dagScheduler.numTotalJobs
})
metricRegistry.register(MetricRegistry.name("job", "activeJobs"), new Gauge[Int] {
override def getValue: Int = dagScheduler.activeJobs.size
})
/** Timer that tracks the time to process messages in the DAGScheduler's event loop */
val messageProcessingTimer: Timer =
metricRegistry.timer(MetricRegistry.name("messageProcessingTime"))
}