Java tutorial
/* * Copyright 2011-2015 the original author or authors. * * Licensed 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.glowroot.local.store; import java.io.File; import com.google.common.base.Stopwatch; import com.google.common.io.CharSource; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.glowroot.collector.Trace; import static java.util.concurrent.TimeUnit.MILLISECONDS; public class TraceDaoPerformanceMain { private static final Logger logger = LoggerFactory.getLogger(TraceDaoPerformanceMain.class); private TraceDaoPerformanceMain() { } public static void main(String... args) throws Exception { DataSource dataSource = new DataSource(); CappedDatabase cappedDatabase = new CappedDatabase(new File("glowroot.capped.db"), 1000000); TraceDao traceDao = new TraceDao(dataSource, cappedDatabase); Stopwatch stopwatch = Stopwatch.createStarted(); for (int i = 0; i < 1000; i++) { Trace trace = TraceTestData.createTrace(); CharSource entries = TraceTestData.createEntries(); traceDao.store(trace, entries, null); } logger.info("elapsed time: {}", stopwatch.elapsed(MILLISECONDS)); logger.info("num traces: {}", traceDao.count()); } }