| /** |
| * 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.hadoop.hbase.regionserver; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.regionserver.wal.FSHLog; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.testclassification.RegionServerTests; |
| import org.apache.hadoop.hbase.wal.WAL; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.mockito.Mockito; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| @Category({RegionServerTests.class, MediumTests.class}) |
| public class TestLogRoller { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestLogRoller.class); |
| |
| private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); |
| |
| private static final int LOG_ROLL_PERIOD = 20 * 1000; |
| private static final String LOG_DIR = "WALs"; |
| private static final String ARCHIVE_DIR = "archiveWALs"; |
| private static final String WAL_PREFIX = "test-log-roller"; |
| private static Configuration CONF; |
| private static LogRoller ROLLER; |
| private static Path ROOT_DIR; |
| private static FileSystem FS; |
| |
| @Before |
| public void setup() throws Exception { |
| CONF = TEST_UTIL.getConfiguration(); |
| CONF.setInt("hbase.regionserver.logroll.period", LOG_ROLL_PERIOD); |
| CONF.setInt(HConstants.THREAD_WAKE_FREQUENCY, 300); |
| ROOT_DIR = TEST_UTIL.getRandomDir(); |
| FS = FileSystem.get(CONF); |
| RegionServerServices services = Mockito.mock(RegionServerServices.class); |
| Mockito.when(services.getConfiguration()).thenReturn(CONF); |
| ROLLER = new LogRoller(services); |
| ROLLER.start(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| ROLLER.close(); |
| FS.close(); |
| TEST_UTIL.shutdownMiniCluster(); |
| } |
| |
| @Test |
| public void testRemoveClosedWAL() throws Exception { |
| assertEquals(0, ROLLER.getWalNeedsRoll().size()); |
| for (int i = 1; i <= 3; i++) { |
| FSHLog wal = new FSHLog(FS, ROOT_DIR, LOG_DIR, ARCHIVE_DIR, CONF, null, |
| true, WAL_PREFIX, getWALSuffix(i)); |
| ROLLER.addWAL(wal); |
| } |
| |
| assertEquals(3, ROLLER.getWalNeedsRoll().size()); |
| Iterator<WAL> it = ROLLER.getWalNeedsRoll().keySet().iterator(); |
| WAL wal = it.next(); |
| assertTrue(ROLLER.getWalNeedsRoll().containsKey(wal)); |
| |
| wal.close(); |
| Thread.sleep(LOG_ROLL_PERIOD + 5000); |
| |
| assertEquals(2, ROLLER.getWalNeedsRoll().size()); |
| assertFalse(ROLLER.getWalNeedsRoll().containsKey(wal)); |
| |
| wal = it.next(); |
| wal.close(); |
| wal = it.next(); |
| wal.close(); |
| Thread.sleep(LOG_ROLL_PERIOD + 5000); |
| |
| assertEquals(0, ROLLER.getWalNeedsRoll().size()); |
| } |
| |
| /** |
| * verify that each wal roll separately |
| */ |
| @Test |
| public void testRequestRollWithMultiWal() throws Exception { |
| // add multiple wal |
| Map<FSHLog, Path> wals = new HashMap<>(); |
| for (int i = 1; i <= 3; i++) { |
| FSHLog wal = new FSHLog(FS, ROOT_DIR, LOG_DIR, ARCHIVE_DIR, CONF, null, |
| true, WAL_PREFIX, getWALSuffix(i)); |
| wal.init(); |
| wals.put(wal, wal.getCurrentFileName()); |
| ROLLER.addWAL(wal); |
| Thread.sleep(1000); |
| } |
| |
| // request roll |
| Iterator<Map.Entry<FSHLog, Path>> it = wals.entrySet().iterator(); |
| Map.Entry<FSHLog, Path> walEntry = it.next(); |
| walEntry.getKey().requestLogRoll(); |
| Thread.sleep(5000); |
| |
| assertNotEquals(walEntry.getValue(), walEntry.getKey().getCurrentFileName()); |
| walEntry.setValue(walEntry.getKey().getCurrentFileName()); |
| while (it.hasNext()) { |
| walEntry = it.next(); |
| assertEquals(walEntry.getValue(), walEntry.getKey().getCurrentFileName()); |
| } |
| |
| // period roll |
| Thread.sleep(LOG_ROLL_PERIOD + 5000); |
| for (Map.Entry<FSHLog, Path> entry : wals.entrySet()) { |
| assertNotEquals(entry.getValue(), entry.getKey().getCurrentFileName()); |
| entry.getKey().close(); |
| } |
| } |
| |
| private static String getWALSuffix(int id) { |
| return "." + id; |
| } |
| } |