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RetrievalPerfTest.java

/*
 Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
 

  The MySQL Connector/J is licensed under the terms of the GPLv2
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
  There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
  this software, see the FLOSS License Exception
  <http://www.mysql.com/about/legal/licensing/foss-exception.html>.

  This program is free software; you can redistribute it and/or modify it under the terms
  of the GNU General Public License as published by the Free Software Foundation; version 2
  of the License.

  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the GNU General Public License for more details.

  You should have received a copy of the GNU General Public License along with this
  program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
  Floor, Boston, MA 02110-1301  USA



 */
package testsuite.perf;

import testsuite.BaseTestCase;

/**
 * Simplistic test for performance regression.
 * 
 * @author Mark Matthews
 */
00035 public class RetrievalPerfTest extends BaseTestCase {
      // ~ Static fields/initializers
      // ---------------------------------------------

      private static final int NUM_TESTS = 10000;

      private static final int NUM_ROWS = 80;

      // ~ Constructors
      // -----------------------------------------------------------

      /**
       * Constructor for RetrievalPerfTest.
       * 
       * @param name
       *            name of the test to run
       */
00052       public RetrievalPerfTest(String name) {
            super(name);
      }

      // ~ Methods
      // ----------------------------------------------------------------

      /**
       * Runs all tests.
       * 
       * @param args
       *            ignored
       */
00065       public static void main(String[] args) {
            new RetrievalPerfTest("testRetrievalMyIsam").run();
            new RetrievalPerfTest("testRetrievalHeap").run();
            new RetrievalPerfTest("testRetrievalCached").run();
      }

      /**
       * @see junit.framework.TestCase#setUp()
       */
00074       public void setUp() throws Exception {
            super.setUp();
            createTable("retrievalPerfTestHeap",  "(priKey INT NOT NULL PRIMARY KEY,"
                                    + "charField VARCHAR(80)) ", "HEAP");
            createTable("retrievalPerfTestMyIsam", "(priKey INT NOT NULL PRIMARY KEY,"
                        + "charField VARCHAR(80)) ", "MyISAM");

            for (int i = 0; i < NUM_ROWS; i++) {
                  this.stmt
                              .executeUpdate("INSERT INTO retrievalPerfTestHeap (priKey, charField) VALUES ("
                                          + i
                                          + ",'abcdefghijklmnopqrstuvqxyzABCDEFGHIJKLMNOPQRSTUVWXYZ')");
                  this.stmt
                              .executeUpdate("INSERT INTO retrievalPerfTestMyIsam (priKey, charField) VALUES ("
                                          + i
                                          + ",'abcdefghijklmnopqrstuvqxyzABCDEFGHIJKLMNOPQRSTUVWXYZ')");
            }
      }

      /**
       * Tests retrieval from the query cache
       * 
       * @throws Exception
       *             if an error occurs
       */
00099       public void testRetrievalCached() throws Exception {
            this.stmt.executeUpdate("SET QUERY_CACHE_TYPE = DEMAND");

            double fullBegin = System.currentTimeMillis();
            double averageQueryTimeMs = 0;
            double averageTraversalTimeMs = 0;

            for (int i = 0; i < NUM_TESTS; i++) {
                  long queryBegin = System.currentTimeMillis();
                  this.rs = this.stmt
                              .executeQuery("SELECT SQL_CACHE * FROM retrievalPerfTestHeap");

                  long queryEnd = System.currentTimeMillis();
                  averageQueryTimeMs += ((double) (queryEnd - queryBegin) / NUM_TESTS);

                  long traverseBegin = System.currentTimeMillis();

                  while (this.rs.next()) {
                        this.rs.getInt(1);
                        this.rs.getString(2);
                  }

                  long traverseEnd = System.currentTimeMillis();
                  averageTraversalTimeMs += ((double) (traverseEnd - traverseBegin) / NUM_TESTS);
            }

            double fullEnd = System.currentTimeMillis();
            double fullTime = (fullEnd - fullBegin) / 1000;
            double queriesPerSec = NUM_TESTS / fullTime;
            double rowsPerSec = (NUM_ROWS * NUM_TESTS) / fullTime;
            System.out.println("\nQuery Cache From Heap Retrieval\n");
            System.out.println("Full test took: " + fullTime + " seconds.");
            System.out.println("Queries/second: " + queriesPerSec);
            System.out.println("Rows/second: " + rowsPerSec);
            System.out.println("Avg. Query Exec Time: " + averageQueryTimeMs
                        + " ms");
            System.out.println("Avg. Traversal Time: " + averageTraversalTimeMs
                        + " ms");

            // We're doing something wrong if we can't beat 45 seconds :(
            assertTrue(fullTime < 45);
      }

      /**
       * Tests retrieval from HEAP tables
       * 
       * @throws Exception
       *             if an error occurs
       */
00148       public void testRetrievalHeap() throws Exception {
            double fullBegin = System.currentTimeMillis();
            double averageQueryTimeMs = 0;
            double averageTraversalTimeMs = 0;

            for (int i = 0; i < NUM_TESTS; i++) {
                  long queryBegin = System.currentTimeMillis();
                  this.rs = this.stmt
                              .executeQuery("SELECT * FROM retrievalPerfTestHeap");

                  long queryEnd = System.currentTimeMillis();
                  averageQueryTimeMs += ((double) (queryEnd - queryBegin) / NUM_TESTS);

                  long traverseBegin = System.currentTimeMillis();

                  while (this.rs.next()) {
                        this.rs.getInt(1);
                        this.rs.getString(2);
                  }

                  long traverseEnd = System.currentTimeMillis();
                  averageTraversalTimeMs += ((double) (traverseEnd - traverseBegin) / NUM_TESTS);
            }

            double fullEnd = System.currentTimeMillis();
            double fullTime = (fullEnd - fullBegin) / 1000;
            double queriesPerSec = NUM_TESTS / fullTime;
            double rowsPerSec = (NUM_ROWS * NUM_TESTS) / fullTime;
            System.out.println("\nHEAP Table Retrieval\n");
            System.out.println("Full test took: " + fullTime + " seconds.");
            System.out.println("Queries/second: " + queriesPerSec);
            System.out.println("Rows/second: " + rowsPerSec);
            System.out.println("Avg. Query Exec Time: " + averageQueryTimeMs
                        + " ms");
            System.out.println("Avg. Traversal Time: " + averageTraversalTimeMs
                        + " ms");

            // We're doing something wrong if we can't beat 45 seconds :(
            assertTrue(fullTime < 45);
      }

      /**
       * Tests retrieval speed from MyISAM type tables
       * 
       * @throws Exception
       *             if an error occurs
       */
00195       public void testRetrievalMyIsam() throws Exception {
            double fullBegin = System.currentTimeMillis();
            double averageQueryTimeMs = 0;
            double averageTraversalTimeMs = 0;

            for (int i = 0; i < NUM_TESTS; i++) {
                  long queryBegin = System.currentTimeMillis();
                  this.rs = this.stmt
                              .executeQuery("SELECT * FROM retrievalPerfTestMyIsam");

                  long queryEnd = System.currentTimeMillis();
                  averageQueryTimeMs += ((double) (queryEnd - queryBegin) / NUM_TESTS);

                  long traverseBegin = System.currentTimeMillis();

                  while (this.rs.next()) {
                        this.rs.getInt(1);
                        this.rs.getString(2);
                  }

                  long traverseEnd = System.currentTimeMillis();
                  averageTraversalTimeMs += ((double) (traverseEnd - traverseBegin) / NUM_TESTS);
            }

            double fullEnd = System.currentTimeMillis();
            double fullTime = (fullEnd - fullBegin) / 1000;
            double queriesPerSec = NUM_TESTS / fullTime;
            double rowsPerSec = (NUM_ROWS * NUM_TESTS) / fullTime;
            System.out.println("\nMyIsam Retrieval\n");
            System.out.println("Full test took: " + fullTime + " seconds.");
            System.out.println("Queries/second: " + queriesPerSec);
            System.out.println("Rows/second: " + rowsPerSec);
            System.out.println("Avg. Query Exec Time: " + averageQueryTimeMs
                        + " ms");
            System.out.println("Avg. Traversal Time: " + averageTraversalTimeMs
                        + " ms");

            // We're doing something wrong if we can't beat 45 seconds :(
            assertTrue(fullTime < 45);
      }
}

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