001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.regionserver.wal;
019
020import org.apache.hadoop.conf.Configuration;
021import org.apache.hadoop.fs.FileSystem;
022import org.apache.hadoop.hbase.HBaseClassTestRule;
023import org.apache.hadoop.hbase.HBaseTestingUtility;
024import org.apache.hadoop.hbase.TableName;
025import org.apache.hadoop.hbase.testclassification.RegionServerTests;
026import org.apache.hadoop.hbase.testclassification.SmallTests;
027import org.apache.hadoop.hbase.wal.WAL;
028import org.apache.hadoop.hbase.wal.WALFactory;
029import org.apache.hadoop.hbase.wal.WALProvider;
030import org.junit.Before;
031import org.junit.ClassRule;
032import org.junit.Rule;
033import org.junit.Test;
034import org.junit.experimental.categories.Category;
035import org.junit.rules.TestName;
036import org.junit.runner.RunWith;
037import org.junit.runners.Parameterized;
038import org.slf4j.Logger;
039import org.slf4j.LoggerFactory;
040
041import java.io.IOException;
042import java.util.Arrays;
043import java.util.List;
044
045import static org.junit.Assert.assertEquals;
046import static org.junit.Assert.fail;
047
048/**
049 * Ensure configuration changes are having an effect on WAL.
050 * There is a lot of reflection around WAL setup; could be skipping Configuration changes.
051 */
052@RunWith(Parameterized.class)
053@Category({ RegionServerTests.class, SmallTests.class })
054public class TestWALConfiguration {
055  private static final Logger LOG = LoggerFactory.getLogger(TestWALConfiguration.class);
056  static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
057  @ClassRule
058  public static final HBaseClassTestRule CLASS_RULE =
059      HBaseClassTestRule.forClass(TestWALConfiguration.class);
060
061  @Rule
062  public TestName name = new TestName();
063
064  @Parameterized.Parameter
065  public String walProvider;
066
067  @Parameterized.Parameters(name = "{index}: provider={0}")
068  public static Iterable<Object[]> data() {
069    return Arrays.asList(new Object[] { "filesystem" }, new Object[] { "asyncfs" });
070  }
071
072  @Before
073  public void before() {
074    TEST_UTIL.getConfiguration().set(WALFactory.WAL_PROVIDER, walProvider);
075  }
076
077  /**
078   * Test blocksize change from HBASE-20520 takes on both asycnfs and old wal provider.
079   * Hard to verify more than this given the blocksize is passed down to HDFS on create -- not
080   * kept local to the streams themselves.
081   */
082  @Test
083  public void testBlocksizeDefaultsToTwiceHDFSBlockSize() throws IOException {
084    TableName tableName = TableName.valueOf("test");
085    final WALFactory walFactory = new WALFactory(TEST_UTIL.getConfiguration(), this.walProvider);
086    Configuration conf = TEST_UTIL.getConfiguration();
087    WALProvider provider = walFactory.getWALProvider();
088    // Get a WAL instance from the provider. Check its blocksize.
089    WAL wal = provider.getWAL(null);
090    if (wal instanceof AbstractFSWAL) {
091      long expectedDefaultBlockSize =
092          WALUtil.getWALBlockSize(conf, FileSystem.get(conf), TEST_UTIL.getDataTestDir());
093      long blocksize = ((AbstractFSWAL)wal).blocksize;
094      assertEquals(expectedDefaultBlockSize, blocksize);
095      LOG.info("Found blocksize of {} on {}", blocksize, wal);
096    } else {
097      fail("Unknown provider " + provider);
098    }
099  }
100}