spark JvmSource 源码

2022-10-20
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spark JvmSource 代码

文件路径：/core/src/main/scala/org/apache/spark/metrics/source/JvmSource.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.metrics.source

import java.lang.management.ManagementFactory

import com.codahale.metrics.MetricRegistry
import com.codahale.metrics.jvm.{BufferPoolMetricSet, GarbageCollectorMetricSet, MemoryUsageGaugeSet}

private[spark] class JvmSource extends Source {
  override val sourceName = "jvm"
  override val metricRegistry = new MetricRegistry()

  metricRegistry.registerAll(new GarbageCollectorMetricSet)
  metricRegistry.registerAll(new MemoryUsageGaugeSet)
  metricRegistry.registerAll(
    new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer))
}

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