/* Copyright (c) 2001-2010, The HSQL Development Group * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of the HSQL Development Group nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG, * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.hsqldb.test; import java.sql.Connection; import java.sql.DatabaseMetaData; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.Statement; import java.util.Random; import org.hsqldb.jdbc.JDBCBlob; /** * Test with small cache and very large row inserts */ public class TestStressInsert { private Connection con; private PreparedStatement insertStmtA; private PreparedStatement insertStmtB; private static final int LOB_SIZE = 1024 * 1024; private static final int MAX_SIZE = 4000; private final Random random = new Random(0); byte[] data = getRandomBytes(LOB_SIZE); public void init() throws Exception { String driver = "org.hsqldb.jdbc.JDBCDriver"; String url = "jdbc:hsqldb:file:/hsql/stress/test"; // String url = "jdbc:hsqldb:hsql://localhost/test"; Class.forName(driver); con = DriverManager.getConnection(url, "sa", ""); con.setAutoCommit(true); // set cache sizes Statement stmt = con.createStatement(); try { stmt.execute("set files write delay 10000 millis"); stmt.execute("set files log size " + 200); stmt.execute("set files backup increment true"); DatabaseMetaData metaData = con.getMetaData(); ResultSet rs = metaData.getTables(null, null, "B", null); boolean schemaExists; try { schemaExists = rs.next(); } finally { rs.close(); } if (!schemaExists) { stmt.execute( "create cached table A (ID binary(16) PRIMARY KEY, DATA longvarbinary not null)"); stmt.execute( "create cached table B (ID binary(16) PRIMARY KEY, DATA BLOB(10M) not null)"); } stmt.execute("checkpoint"); } finally { stmt.close(); } // prepare statements insertStmtA = con.prepareStatement("insert into A (DATA, ID) values (?, ?)"); insertStmtB = con.prepareStatement("insert into B (DATA, ID) values (?, ?)"); } public void shutdown() throws Exception { insertStmtA.close(); insertStmtB.close(); Statement stmt = con.createStatement(); stmt.executeUpdate("SHUTDOWN"); con.close(); } public void insertA(byte[] id) throws Exception { try { insertStmtA.setBytes(1, data); insertStmtA.setBytes(2, id); insertStmtA.execute(); } finally { insertStmtA.clearParameters(); insertStmtA.clearWarnings(); } } public void insertB(byte[] id) throws Exception { try { insertStmtB.setBlob(1, new JDBCBlob(data)); insertStmtB.setBytes(2, id); insertStmtB.execute(); } finally { insertStmtB.clearParameters(); insertStmtB.clearWarnings(); } } private void stressInsertA() throws Exception { long t1 = System.currentTimeMillis(); long t2 = System.currentTimeMillis(); System.out.println("done " + (t2 - t1)); for (int i = 0; i < MAX_SIZE; i++) { insertA(getRandomBytes(16)); if (i % 100 == 0) { long t3 = System.currentTimeMillis(); System.out.println("inserted " + i + ", 100 in " + (t3 - t2)); t2 = t3; } } System.out.println("total inserted " + MAX_SIZE + " in " + (t2 - t1)); shutdown(); } private void stressInsertB() throws Exception { long t1 = System.currentTimeMillis(); long t2 = System.currentTimeMillis(); System.out.println("done " + (t2 - t1)); for (int i = 0; i < MAX_SIZE; i++) { insertB(getRandomBytes(16)); if (i % 100 == 0) { long t3 = System.currentTimeMillis(); System.out.println("inserted " + i + ", 100 in " + (t3 - t2)); t2 = t3; } } System.out.println("total inserted " + MAX_SIZE + " in " + (t2 - t1)); shutdown(); } public static void main(String[] args) { try { System.out.print("Initializing..."); TestStressInsert test = new TestStressInsert(); test.init(); test.stressInsertB(); } catch (Exception e) { e.printStackTrace(); } } private byte[] getRandomBytes(int length) { byte[] ret = new byte[length]; random.nextBytes(ret); return ret; } }