| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.drill.jdbc.test; |
| |
| import java.sql.Connection; |
| |
| import org.apache.drill.test.TestTools; |
| import org.apache.drill.exec.ExecConstants; |
| import org.apache.drill.jdbc.Driver; |
| import org.apache.drill.categories.JdbcTest; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Ignore; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.rules.TestRule; |
| import org.slf4j.Logger; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Test for DRILL-1735: Closing local JDBC connection didn't shut down |
| * local DrillBit to free resources (plus QueryResultBatch buffer allocation leak |
| * in DrillCursor.next(), lack of DrillMetrics reset, vectors buffer leak under |
| * DrillCursor/DrillResultSet, and other problems). |
| */ |
| @Category(JdbcTest.class) |
| public class Bug1735ConnectionCloseTest extends JdbcTestQueryBase { |
| |
| static final Logger logger = getLogger( Bug1735ConnectionCloseTest.class ); |
| |
| @Rule |
| public TestRule TIMEOUT = TestTools.getTimeoutRule( 120_000 /* ms */ ); |
| |
| // TODO: Move Jetty status server disabling to DrillTest. |
| |
| private static final String STATUS_SERVER_PROPERTY_NAME = |
| ExecConstants.HTTP_ENABLE; |
| |
| private static final String origStatusServerPropValue = |
| System.getProperty( STATUS_SERVER_PROPERTY_NAME, "true" ); |
| |
| // Disable Jetty status server so unit tests run (outside Maven setup). |
| // (TODO: Move this to base test class and/or have Jetty try other ports.) |
| @BeforeClass |
| public static void setUpClass() { |
| System.setProperty( STATUS_SERVER_PROPERTY_NAME, "false" ); |
| } |
| |
| @AfterClass |
| public static void tearDownClass() { |
| System.setProperty( STATUS_SERVER_PROPERTY_NAME, origStatusServerPropValue ); |
| } |
| |
| |
| // Basic sanity test (too small to detect original connection close problem |
| // but would detect QueryResultBatch release and metrics problems). |
| |
| private static final int SMALL_ITERATION_COUNT = 3; |
| |
| @Test |
| public void testCloseDoesntLeakResourcesBasic() throws Exception { |
| for ( int i = 1; i <= SMALL_ITERATION_COUNT; i++ ) { |
| Connection connection = new Driver().connect("jdbc:drill:zk=local", getDefaultProperties()); |
| connection.close(); |
| } |
| } |
| |
| |
| // Test large enough to detect connection close problem (at least on |
| // developer's machine). |
| |
| private static final int LARGE_ITERATION_COUNT = 1000; |
| |
| @Ignore( "Normally suppressed because slow" ) |
| @Test |
| public void testCloseDoesntLeakResourcesMany() throws Exception { |
| for ( int i = 1; i <= LARGE_ITERATION_COUNT; i++ ) { |
| // (Note: Can't use JdbcTest's connect(...) because it returns connection |
| // that doesn't really close. |
| Connection connection = new Driver().connect("jdbc:drill:zk=local", getDefaultProperties()); |
| connection.close(); |
| } |
| } |
| |
| } |