spark ApplicationSource 源码
spark ApplicationSource 代码
文件路径：/core/src/main/scala/org/apache/spark/deploy/master/ApplicationSource.scala
/*
* 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.deploy.master
import com.codahale.metrics.{Gauge, MetricRegistry}
import org.apache.spark.metrics.source.Source
private[master] class ApplicationSource(val application: ApplicationInfo) extends Source {
override val metricRegistry = new MetricRegistry()
override val sourceName = "%s.%s.%s".format("application", application.desc.name,
System.currentTimeMillis())
metricRegistry.register(MetricRegistry.name("status"), new Gauge[String] {
override def getValue: String = application.state.toString
})
metricRegistry.register(MetricRegistry.name("runtime_ms"), new Gauge[Long] {
override def getValue: Long = application.duration
})
metricRegistry.register(MetricRegistry.name("cores"), new Gauge[Int] {
override def getValue: Int = application.coresGranted
})
}
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