/*
* 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.tomee.jul.handler.rotating;
import org.apache.juli.OneLineFormatter;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.TearDown;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.OptionsBuilder;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Handler;
import java.util.logging.Logger;
/*
#1 thread
Benchmark Mode Cnt Score Error Units
PerfRunner.bufferizedLogger thrpt 5 70875.992 ± 14974.425 ops/s
PerfRunner.defaultLogger thrpt 5 54832.426 ± 11709.029 ops/s
#30 threads
Benchmark Mode Cnt Score Error Units
PerfRunner.bufferizedLogger thrpt 5 123684.947 ± 103294.959 ops/s
PerfRunner.defaultLogger thrpt 5 62014.127 ± 36682.710 ops/s
*/
@State(Scope.Benchmark)
public class PerfRunner {
private Logger defaultLogger;
private Logger bufferizedLogger;
@Setup
public void setup() {
{
defaultLogger = Logger.getLogger("perf.logger.default");
cleanHandlers(defaultLogger);
final Map<String, String> config = new HashMap<>();
// initial config
config.put("filenamePattern", "target/PerfRunner/logs/performance.default.%s.%02d.log");
config.put("limit", "10 Mega");
config.put("formatter", OneLineFormatter.class.getName());
defaultLogger.addHandler(new LocalFileHandler() {
@Override
protected String getProperty(final String name, final String defaultValue) {
final String key = name.substring(name.lastIndexOf('.') + 1);
return config.containsKey(key) ? config.get(key) : defaultValue;
}
});
}
{
bufferizedLogger = Logger.getLogger("perf.logger.buffer");
cleanHandlers(bufferizedLogger);
final Map<String, String> config = new HashMap<>();
// initial config
config.put("filenamePattern", "target/PerfRunner/logs/performance.buffer.%s.%02d.log");
config.put("limit", "10 Mega");
config.put("bufferSize", "1 Mega");
config.put("formatter", OneLineFormatter.class.getName());
bufferizedLogger.addHandler(new LocalFileHandler() {
@Override
protected String getProperty(final String name, final String defaultValue) {
final String key = name.substring(name.lastIndexOf('.') + 1);
return config.containsKey(key) ? config.get(key) : defaultValue;
}
});
}
}
@TearDown
public void tearDown() {
defaultLogger.getHandlers()[0].close();
bufferizedLogger.getHandlers()[0].close();
}
private void cleanHandlers(final Logger logger) {
for (final Handler h : logger.getHandlers()) {
logger.removeHandler(h);
}
logger.setUseParentHandlers(false);
}
@Benchmark
public void defaultLogger() {
defaultLogger.info("something happens here and nowhere else so i need to write it down");
}
@Benchmark
public void bufferizedLogger() {
bufferizedLogger.info("something happens here and nowhere else so i need to write it down");
}
public static void main(final String[] args) throws RunnerException {
new Runner(new OptionsBuilder()
.include(PerfRunner.class.getSimpleName())
.forks(0)
.warmupIterations(5)
.measurementIterations(5)
.threads(1)
.build())
.run();
}
}