| /* |
| * 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.atlas.util; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.lang.management.ManagementFactory; |
| import java.lang.management.MemoryMXBean; |
| import java.lang.management.MemoryPoolMXBean; |
| import java.lang.management.MemoryType; |
| import java.lang.management.MemoryUsage; |
| import java.lang.management.OperatingSystemMXBean; |
| import java.lang.management.RuntimeMXBean; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| import java.util.Objects; |
| |
| public class AtlasMetricJVMUtil { |
| private static final Logger LOG = LoggerFactory.getLogger(AtlasMetricJVMUtil.class); |
| |
| private static final RuntimeMXBean RUNTIME; |
| private static final OperatingSystemMXBean OS; |
| private static final MemoryMXBean memBean; |
| |
| static { |
| RUNTIME = ManagementFactory.getRuntimeMXBean(); |
| OS = ManagementFactory.getOperatingSystemMXBean(); |
| memBean = ManagementFactory.getMemoryMXBean(); |
| } |
| |
| /** |
| * Collect general runtime information. |
| */ |
| public static Map<String, Object> getRuntimeInfo() { |
| Map<String, Object> vmDetails = new LinkedHashMap<>(); |
| vmDetails.put("name", RUNTIME.getVmName()); |
| vmDetails.put("version", RUNTIME.getSystemProperties().get("java.version")); |
| return vmDetails; |
| } |
| |
| /** |
| * Add memory details |
| */ |
| public static Map<String, Object> getMemoryDetails() { |
| Map<String, Object> memory = new LinkedHashMap<>(); |
| heapDetails(memory); |
| pooldivision(memory); |
| return memory; |
| } |
| |
| /** |
| * Collect system information. |
| */ |
| public static Map<String, Object> getSystemInfo() { |
| Map<String, Object> values = new LinkedHashMap<>(); |
| String[] osInfo = {OS.getName(), OS.getArch(), OS.getVersion()}; |
| values.put("os.spec", String.join(", ", osInfo)); |
| values.put("os.vcpus", String.valueOf(OS.getAvailableProcessors())); |
| return values; |
| } |
| |
| /** |
| * collect the pool division of java |
| */ |
| private static void pooldivision(Map<String, Object> memory) { |
| Map<String, Object> poolDivisionValues = new LinkedHashMap<>(); |
| for (MemoryPoolMXBean mpBean : ManagementFactory.getMemoryPoolMXBeans()) { |
| if (mpBean.getType() == MemoryType.HEAP) { |
| poolDivisionValues.put(mpBean.getName(), mpBean.getUsage()); |
| } |
| } |
| memory.put("memory_pool_usages", poolDivisionValues); |
| } |
| |
| /** |
| * Collect java heap details |
| */ |
| private static void heapDetails(Map<String, Object> memory) { |
| MemoryUsage memHeapUsage = memBean.getHeapMemoryUsage(); |
| MemoryUsage nonHeapUsage = memBean.getNonHeapMemoryUsage(); |
| memory.put("heapInit", String.valueOf(memHeapUsage.getInit())); |
| memory.put("heapMax", String.valueOf(memHeapUsage.getMax())); |
| memory.put("heapCommitted", String.valueOf(memHeapUsage.getCommitted())); |
| memory.put("heapUsed", String.valueOf(memHeapUsage.getUsed())); |
| memory.put("nonHeapInit", String.valueOf(nonHeapUsage.getInit())); |
| memory.put("nonHeapMax", String.valueOf(nonHeapUsage.getMax())); |
| memory.put("nonHeapCommitted", String.valueOf(nonHeapUsage.getCommitted())); |
| memory.put("nonHeapUsed", String.valueOf(nonHeapUsage.getUsed())); |
| } |
| } |