| /* |
| * 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.cassandra.test.microbench; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.config.OverrideConfigurationLoader; |
| import org.apache.cassandra.diag.DiagnosticEvent; |
| import org.apache.cassandra.diag.DiagnosticEventPersistence; |
| import org.apache.cassandra.diag.DiagnosticEventService; |
| import org.apache.cassandra.test.microbench.DiagnosticEventServiceBench.DummyEvent; |
| import org.openjdk.jmh.annotations.Benchmark; |
| import org.openjdk.jmh.annotations.BenchmarkMode; |
| import org.openjdk.jmh.annotations.Fork; |
| import org.openjdk.jmh.annotations.Measurement; |
| import org.openjdk.jmh.annotations.Mode; |
| import org.openjdk.jmh.annotations.OutputTimeUnit; |
| 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; |
| |
| @BenchmarkMode(Mode.All) |
| @OutputTimeUnit(TimeUnit.MILLISECONDS) |
| @Warmup(iterations = 4, time = 1, timeUnit = TimeUnit.SECONDS) |
| @Measurement(iterations = 8, time = 2, timeUnit = TimeUnit.SECONDS) |
| @Fork(value = 2) |
| @Threads(4) |
| @State(Scope.Benchmark) |
| public class DiagnosticEventPersistenceBench |
| { |
| private DiagnosticEventService service = DiagnosticEventService.instance(); |
| private DiagnosticEventPersistence persistence = DiagnosticEventPersistence.instance(); |
| private DiagnosticEvent event = new DummyEvent(); |
| |
| @Setup |
| public void setup() |
| { |
| OverrideConfigurationLoader.override((config) -> { |
| config.diagnostic_events_enabled = true; |
| }); |
| DatabaseDescriptor.daemonInitialization(); |
| |
| service.cleanup(); |
| |
| // make persistence subscribe to and store events |
| persistence.enableEventPersistence(DummyEvent.class.getName()); |
| } |
| |
| @Benchmark |
| public void persistEvents() |
| { |
| service.publish(event); |
| } |
| } |