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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.flink.runtime.metrics.util;
import org.apache.flink.annotation.VisibleForTesting;
import org.apache.flink.api.common.time.Time;
import org.apache.flink.api.java.tuple.Tuple2;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.configuration.MetricOptions;
import org.apache.flink.metrics.Gauge;
import org.apache.flink.metrics.MetricGroup;
import org.apache.flink.runtime.clusterframework.BootstrapTools;
import org.apache.flink.runtime.clusterframework.types.ResourceID;
import org.apache.flink.runtime.metrics.MetricNames;
import org.apache.flink.runtime.metrics.MetricRegistry;
import org.apache.flink.runtime.metrics.groups.JobManagerMetricGroup;
import org.apache.flink.runtime.metrics.groups.TaskManagerMetricGroup;
import org.apache.flink.runtime.rpc.RpcService;
import org.apache.flink.runtime.rpc.akka.AkkaRpcServiceUtils;
import org.apache.flink.util.Preconditions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.management.AttributeNotFoundException;
import javax.management.InstanceNotFoundException;
import javax.management.MBeanException;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.management.ReflectionException;
import java.lang.management.ClassLoadingMXBean;
import java.lang.management.GarbageCollectorMXBean;
import java.lang.management.ManagementFactory;
import java.lang.management.MemoryUsage;
import java.lang.management.ThreadMXBean;
import java.util.List;
import java.util.Optional;
import java.util.function.Supplier;
import static org.apache.flink.runtime.metrics.util.SystemResourcesMetricsInitializer.instantiateSystemMetrics;
/**
* Utility class to register pre-defined metric sets.
*/
public class MetricUtils {
private static final Logger LOG = LoggerFactory.getLogger(MetricUtils.class);
private static final String METRIC_GROUP_STATUS_NAME = "Status";
private static final String METRICS_ACTOR_SYSTEM_NAME = "flink-metrics";
static final String METRIC_GROUP_HEAP_NAME = "Heap";
static final String METRIC_GROUP_NONHEAP_NAME = "NonHeap";
private MetricUtils() {
}
public static JobManagerMetricGroup instantiateJobManagerMetricGroup(
final MetricRegistry metricRegistry,
final String hostname,
final Optional