Java tutorial
/* * Copyright 1999-2011 Alibaba Group Holding Ltd. * * 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 com.alibaba.druid.benckmark.pool; import java.sql.Connection; import java.sql.ResultSet; import java.sql.Statement; import java.text.NumberFormat; import java.util.Properties; import java.util.concurrent.CountDownLatch; import java.util.concurrent.atomic.AtomicInteger; import javax.sql.DataSource; import org.junit.Assert; import junit.framework.TestCase; import org.apache.commons.dbcp.BasicDataSource; import com.alibaba.druid.TestUtil; import com.alibaba.druid.pool.DruidDataSource; import com.jolbox.bonecp.BoneCPDataSource; public class Case3 extends TestCase { private String jdbcUrl; private String user; private String password; private String driverClass; private int initialSize = 1; private int minIdle = 1; private int maxIdle = 14; private int maxActive = 14; private int maxWait = -1; private String validationQuery = "SELECT 1"; // "SELECT 1"; private int threadCount = 10; private int TEST_COUNT = 3; final int LOOP_COUNT = 1000 * 100; private boolean testOnBorrow = false; private String connectionProperties = ""; // "bigStringTryClob=true;clientEncoding=GBK;defaultRowPrefetch=50;serverEncoding=ISO-8859-1"; private String sql = "SELECT 1"; private long timeBetweenEvictionRunsMillis = 60000; private long minEvictableIdleTimeMillis = 60000; protected void setUp() throws Exception { jdbcUrl = "jdbc:fake:dragoon_v25masterdb"; user = "dragoon25"; password = "dragoon25"; driverClass = "com.alibaba.druid.mock.MockDriver"; // connectionProperties = "connectSleep=3;executeSleep=1"; // jdbcUrl = "jdbc:mysql://a.b.c.d:3306/druid2"; // user = "root"; // password = "root"; // driverClass = "com.mysql.jdbc.Driver"; } public void test_perf() throws Exception { for (int i = 0; i < 5; ++i) { druid(); dbcp(); // boneCP(); } } public void boneCP() throws Exception { BoneCPDataSource dataSource = new BoneCPDataSource(); // dataSource.(10); // dataSource.setMaxActive(50); dataSource.setMinConnectionsPerPartition(minIdle); dataSource.setMaxConnectionsPerPartition(maxIdle); dataSource.setDriverClass(driverClass); dataSource.setJdbcUrl(jdbcUrl); // dataSource.setPoolPreparedStatements(true); // dataSource.setMaxOpenPreparedStatements(100); dataSource.setUsername(user); dataSource.setPassword(password); dataSource.setConnectionTestStatement(validationQuery); dataSource.setPartitionCount(1); Properties connectionProperties = new Properties(); connectionProperties.put("connectSleep", "3"); connectionProperties.put("executeSleep", "1"); dataSource.setDriverProperties(connectionProperties); for (int i = 0; i < TEST_COUNT; ++i) { p0(dataSource, "boneCP", threadCount); } System.out.println(); } public void druid() throws Exception { DruidDataSource dataSource = new DruidDataSource(); dataSource.setInitialSize(initialSize); dataSource.setMaxActive(maxActive); dataSource.setMaxIdle(maxIdle); dataSource.setMaxWait(maxWait); dataSource.setMinIdle(minIdle); dataSource.setPoolPreparedStatements(true); dataSource.setDriverClassName(driverClass); dataSource.setUrl(jdbcUrl); dataSource.setPoolPreparedStatements(true); dataSource.setUsername(user); dataSource.setPassword(password); dataSource.setValidationQuery(validationQuery); dataSource.setTestOnBorrow(testOnBorrow); dataSource.setConnectionProperties(connectionProperties); dataSource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis); dataSource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis); for (int i = 0; i < TEST_COUNT; ++i) { p0(dataSource, "druid", threadCount); } dataSource.close(); System.out.println(); } public void dbcp() throws Exception { final BasicDataSource dataSource = new BasicDataSource(); dataSource.setInitialSize(initialSize); dataSource.setMaxActive(maxActive); dataSource.setMaxIdle(maxIdle); dataSource.setMaxWait(maxWait); dataSource.setMinIdle(minIdle); dataSource.setPoolPreparedStatements(true); dataSource.setDriverClassName(driverClass); dataSource.setUrl(jdbcUrl); dataSource.setPoolPreparedStatements(true); dataSource.setUsername(user); dataSource.setPassword(password); dataSource.setValidationQuery(validationQuery); dataSource.setTestOnBorrow(testOnBorrow); dataSource.setConnectionProperties(connectionProperties); dataSource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis); dataSource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis); for (int i = 0; i < TEST_COUNT; ++i) { p0(dataSource, "dbcp", threadCount); } // dataSource.close(); System.out.println(); } private void p0(final DataSource dataSource, String name, int threadCount) throws Exception { final AtomicInteger count = new AtomicInteger(); final AtomicInteger errorCount = new AtomicInteger(); final CountDownLatch startLatch = new CountDownLatch(1); final CountDownLatch endLatch = new CountDownLatch(threadCount); for (int i = 0; i < threadCount; ++i) { Thread thread = new Thread() { public void run() { try { startLatch.await(); for (int i = 0; i < LOOP_COUNT; ++i) { Connection conn = dataSource.getConnection(); Statement stmt = conn.createStatement(); ResultSet rs = stmt.executeQuery(sql); while (rs.next()) { rs.getInt(1); } rs.close(); stmt.close(); conn.close(); count.incrementAndGet(); } } catch (Throwable ex) { errorCount.incrementAndGet(); ex.printStackTrace(); } finally { endLatch.countDown(); } } }; thread.start(); } long startMillis = System.currentTimeMillis(); long startYGC = TestUtil.getYoungGC(); long startFullGC = TestUtil.getFullGC(); startLatch.countDown(); endLatch.await(); long millis = System.currentTimeMillis() - startMillis; long ygc = TestUtil.getYoungGC() - startYGC; long fullGC = TestUtil.getFullGC() - startFullGC; Assert.assertEquals(LOOP_COUNT * threadCount, count.get()); Thread.sleep(1); System.out.println("thread " + threadCount + " " + name + " millis : " + NumberFormat.getInstance().format(millis) + ", YGC " + ygc + " FGC " + fullGC); } }