| /** |
| * 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.ipc.metrics; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.metrics2.annotation.Metric; |
| import org.apache.hadoop.metrics2.annotation.Metrics; |
| import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; |
| import org.apache.hadoop.metrics2.lib.MetricsRegistry; |
| import org.apache.hadoop.metrics2.lib.MutableRates; |
| |
| /** |
| * This class is for maintaining RPC method related statistics |
| * and publishing them through the metrics interfaces. |
| */ |
| @InterfaceAudience.Private |
| @Metrics(about="Per method RPC metrics", context="rpcdetailed") |
| public class RpcDetailedMetrics { |
| |
| @Metric MutableRates rates; |
| |
| static final Log LOG = LogFactory.getLog(RpcDetailedMetrics.class); |
| final MetricsRegistry registry; |
| final String name; |
| |
| RpcDetailedMetrics(int port) { |
| name = "RpcDetailedActivityForPort"+ port; |
| registry = new MetricsRegistry("rpcdetailed") |
| .tag("port", "RPC port", String.valueOf(port)); |
| LOG.debug(registry.info()); |
| } |
| |
| public String name() { return name; } |
| |
| public static RpcDetailedMetrics create(int port) { |
| RpcDetailedMetrics m = new RpcDetailedMetrics(port); |
| return DefaultMetricsSystem.instance().register(m.name, null, m); |
| } |
| |
| /** |
| * Initialize the metrics for JMX with protocol methods |
| * @param protocol the protocol class |
| */ |
| public void init(Class<?> protocol) { |
| rates.init(protocol); |
| } |
| |
| /** |
| * Add an RPC processing time sample |
| * @param name of the RPC call |
| * @param processingTime the processing time |
| */ |
| //@Override // some instrumentation interface |
| public void addProcessingTime(String name, int processingTime) { |
| rates.add(name, processingTime); |
| } |
| |
| /** |
| * Shutdown the instrumentation for the process |
| */ |
| //@Override // some instrumentation interface |
| public void shutdown() {} |
| } |