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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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.scheduler
import com.codahale.metrics.{Gauge,MetricRegistry}
import org.apache.spark.metrics.source.Source
import org.apache.spark.SparkContext
private[spark] class DAGSchedulerSource(val dagScheduler: DAGScheduler, sc: SparkContext)
extends Source {
val metricRegistry = new MetricRegistry()
val sourceName = "%s.DAGScheduler".format(sc.appName)
metricRegistry.register(MetricRegistry.name("stage", "failedStages", "number"), new Gauge[Int] {
override def getValue: Int = dagScheduler.failed.size
})
metricRegistry.register(MetricRegistry.name("stage", "runningStages", "number"), new Gauge[Int] {
override def getValue: Int = dagScheduler.running.size
})
metricRegistry.register(MetricRegistry.name("stage", "waitingStages", "number"), new Gauge[Int] {
override def getValue: Int = dagScheduler.waiting.size
})
metricRegistry.register(MetricRegistry.name("job", "allJobs", "number"), new Gauge[Int] {
override def getValue: Int = dagScheduler.nextJobId.get()
})
metricRegistry.register(MetricRegistry.name("job", "activeJobs", "number"), new Gauge[Int] {
override def getValue: Int = dagScheduler.activeJobs.size
})
}
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