/**
* 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.hadoop.hive.llap.metrics;
import static org.apache.hadoop.hive.llap.metrics.LlapDaemonJvmInfo.LlapDaemonDirectBufferCount;
import static org.apache.hadoop.hive.llap.metrics.LlapDaemonJvmInfo.LlapDaemonDirectBufferMemoryUsed;
import static org.apache.hadoop.hive.llap.metrics.LlapDaemonJvmInfo.LlapDaemonDirectBufferTotalCapacity;
import static org.apache.hadoop.hive.llap.metrics.LlapDaemonJvmInfo.LlapDaemonJVMMetrics;
import static org.apache.hadoop.hive.llap.metrics.LlapDaemonJvmInfo.LlapDaemonMappedBufferCount;
import static org.apache.hadoop.hive.llap.metrics.LlapDaemonJvmInfo.LlapDaemonMappedBufferMemoryUsed;
import static org.apache.hadoop.hive.llap.metrics.LlapDaemonJvmInfo.LlapDaemonMappedBufferTotalCapacity;
import static org.apache.hadoop.hive.llap.metrics.LlapDaemonJvmInfo.LlapDaemonMaxFileDescriptorCount;
import static org.apache.hadoop.hive.llap.metrics.LlapDaemonJvmInfo.LlapDaemonOpenFileDescriptorCount;
import static org.apache.hadoop.metrics2.impl.MsInfo.ProcessName;
import static org.apache.hadoop.metrics2.impl.MsInfo.SessionId;
import java.lang.management.BufferPoolMXBean;
import java.lang.management.ManagementFactory;
import java.lang.management.OperatingSystemMXBean;
import java.util.List;
import org.apache.hadoop.metrics2.MetricsCollector;
import org.apache.hadoop.metrics2.MetricsRecordBuilder;
import org.apache.hadoop.metrics2.MetricsSource;
import org.apache.hadoop.metrics2.MetricsSystem;
import org.apache.hadoop.metrics2.annotation.Metrics;
import org.apache.hadoop.metrics2.lib.MetricsRegistry;
import com.sun.management.UnixOperatingSystemMXBean;
/**
* Class to report LLAP Daemon's JVM metrics to the hadoop metrics2 API.
*/
@Metrics(about = "LlapDaemon JVM Metrics", context = "jvm")
public class LlapDaemonJvmMetrics implements MetricsSource {
private final String name;
private final String sessionId;
private final MetricsRegistry registry;
private LlapDaemonJvmMetrics(String displayName, String sessionId) {
this.name = displayName;
this.sessionId = sessionId;
this.registry = new MetricsRegistry("LlapDaemonJvmRegistry");
this.registry.tag(ProcessName, MetricsUtils.METRICS_PROCESS_NAME).tag(SessionId, sessionId);
}
public static LlapDaemonJvmMetrics create(String displayName, String sessionId) {
MetricsSystem ms = LlapMetricsSystem.instance();
return ms.register(displayName, "LlapDaemon JVM Metrics", new LlapDaemonJvmMetrics(displayName, sessionId));
}
@Override
public void getMetrics(MetricsCollector collector, boolean b) {
MetricsRecordBuilder rb = collector.addRecord(LlapDaemonJVMMetrics)
.setContext("jvm")
.tag(ProcessName, MetricsUtils.METRICS_PROCESS_NAME)
.tag(SessionId, sessionId);
getJvmMetrics(rb);
}
private void getJvmMetrics(final MetricsRecordBuilder rb) {
List<BufferPoolMXBean> pools = ManagementFactory.getPlatformMXBeans(BufferPoolMXBean.class);
long directBufferCount = 0;
long directBufferTotalCapacity = 0;
long directBufferMemoryUsed = 0;
long mappedBufferCount = 0;
long mappedBufferTotalCapacity = 0;
long mappedBufferMemoryUsed = 0;
for (BufferPoolMXBean pool : pools) {
if (pool.getName().equals("direct")) {
directBufferCount = pool.getCount();
directBufferTotalCapacity = pool.getTotalCapacity();
directBufferMemoryUsed = pool.getMemoryUsed();
} else if (pool.getName().equals("mapped")) {
mappedBufferCount = pool.getCount();
mappedBufferTotalCapacity = pool.getTotalCapacity();
mappedBufferMemoryUsed = pool.getMemoryUsed();
}
}
OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();
long openFileHandles = 0;
long maxFileHandles = 0;
if(os instanceof UnixOperatingSystemMXBean){
openFileHandles = ((UnixOperatingSystemMXBean) os).getOpenFileDescriptorCount();
maxFileHandles = ((UnixOperatingSystemMXBean) os).getMaxFileDescriptorCount();
}
rb.addGauge(LlapDaemonDirectBufferCount, directBufferCount)
.addGauge(LlapDaemonDirectBufferTotalCapacity, directBufferTotalCapacity)
.addGauge(LlapDaemonDirectBufferMemoryUsed, directBufferMemoryUsed)
.addGauge(LlapDaemonMappedBufferCount, mappedBufferCount)
.addGauge(LlapDaemonMappedBufferTotalCapacity, mappedBufferTotalCapacity)
.addGauge(LlapDaemonMappedBufferMemoryUsed, mappedBufferMemoryUsed)
.addGauge(LlapDaemonOpenFileDescriptorCount, openFileHandles)
.addGauge(LlapDaemonMaxFileDescriptorCount, maxFileHandles);
}
public String getName() {
return name;
}
}