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/*
Copyright (c) 2002, 2014, 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 FOSS 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.
*/
public class RetrievalPerfTest extends BaseTestCase {
private static final int NUM_TESTS = 10000;
private static final int NUM_ROWS = 80;
/**
* Constructor for RetrievalPerfTest.
*
* @param name
* name of the test to run
*/
public RetrievalPerfTest(String name) {
super(name);
}
/**
* Runs all tests.
*
* @param args
* ignored
*/
public static void main(String[] args) {
new RetrievalPerfTest("testRetrievalMyIsam").run();
new RetrievalPerfTest("testRetrievalHeap").run();
new RetrievalPerfTest("testRetrievalCached").run();
}
/**
* @see junit.framework.TestCase#setUp()
*/
@Override
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
*/
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
*/
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
*/
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);
}
}