| /* |
| * 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.bookkeeper.stats; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| import java.util.function.Supplier; |
| |
| import org.apache.bookkeeper.stats.codahale.CodahaleMetricsProvider; |
| import org.apache.bookkeeper.stats.codahale.FastCodahaleMetricsProvider; |
| import org.apache.bookkeeper.stats.prometheus.PrometheusMetricsProvider; |
| import org.openjdk.jmh.annotations.Benchmark; |
| import org.openjdk.jmh.annotations.Fork; |
| import org.openjdk.jmh.annotations.Level; |
| import org.openjdk.jmh.annotations.Measurement; |
| import org.openjdk.jmh.annotations.OutputTimeUnit; |
| import org.openjdk.jmh.annotations.Param; |
| import org.openjdk.jmh.annotations.Scope; |
| import org.openjdk.jmh.annotations.Setup; |
| import org.openjdk.jmh.annotations.State; |
| import org.openjdk.jmh.annotations.Threads; |
| import org.openjdk.jmh.annotations.Warmup; |
| |
| /** |
| * Microbenchmarks for different stats backend providers. |
| */ |
| @OutputTimeUnit(TimeUnit.MICROSECONDS) |
| @Threads(16) |
| @Fork(1) |
| @Warmup(iterations = 1, time = 10, timeUnit = TimeUnit.SECONDS) |
| @Measurement(iterations = 3, time = 10, timeUnit = TimeUnit.SECONDS) |
| public class StatsLoggerBenchmark { |
| |
| private static Map<String, Supplier<StatsProvider>> providers = new HashMap<>(); |
| |
| static { |
| providers.put("Prometheus", PrometheusMetricsProvider::new); |
| providers.put("Codahale", CodahaleMetricsProvider::new); |
| providers.put("FastCodahale", FastCodahaleMetricsProvider::new); |
| } |
| |
| @State(Scope.Benchmark) |
| public static class LoggerState { |
| @Param({ "Prometheus", "Codahale", "FastCodahale", "Twitter", "Ostrich" }) |
| private String statsProvider; |
| |
| private Counter counter; |
| private OpStatsLogger opStats; |
| |
| private long startTime = System.nanoTime(); |
| |
| @Setup(Level.Trial) |
| public void setup() { |
| StatsProvider provider = providers.get(statsProvider).get(); |
| StatsLogger logger = provider.getStatsLogger("test"); |
| counter = logger.getCounter("counter"); |
| opStats = logger.getOpStatsLogger("opstats"); |
| } |
| } |
| |
| @Benchmark |
| public void counterIncrement(LoggerState s) { |
| s.counter.inc(); |
| } |
| |
| @Benchmark |
| public void recordLatency(LoggerState s) { |
| s.opStats.registerSuccessfulValue(System.nanoTime() - s.startTime); |
| } |
| } |