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.io.compress.zstd;
019
020import static org.junit.Assert.assertTrue;
021
022import org.apache.hadoop.conf.Configuration;
023import org.apache.hadoop.fs.Path;
024import org.apache.hadoop.hbase.HBaseClassTestRule;
025import org.apache.hadoop.hbase.HBaseTestingUtility;
026import org.apache.hadoop.hbase.io.compress.Compression;
027import org.apache.hadoop.hbase.io.compress.HFileTestBase;
028import org.apache.hadoop.hbase.testclassification.IOTests;
029import org.apache.hadoop.hbase.testclassification.SmallTests;
030import org.junit.BeforeClass;
031import org.junit.ClassRule;
032import org.junit.Test;
033import org.junit.experimental.categories.Category;
034
035@Category({ IOTests.class, SmallTests.class })
036public class TestHFileCompressionZstd extends HFileTestBase {
037
038  @ClassRule
039  public static final HBaseClassTestRule CLASS_RULE =
040    HBaseClassTestRule.forClass(TestHFileCompressionZstd.class);
041
042  private static Configuration conf;
043
044  @BeforeClass
045  public static void setUpBeforeClass() throws Exception {
046    conf = TEST_UTIL.getConfiguration();
047    conf.set(Compression.ZSTD_CODEC_CLASS_KEY, ZstdCodec.class.getCanonicalName());
048    Compression.Algorithm.ZSTD.reload(conf);
049    HFileTestBase.setUpBeforeClass();
050  }
051
052  @Test
053  public void test() throws Exception {
054    Path path = new Path(TEST_UTIL.getDataTestDir(),
055      HBaseTestingUtility.getRandomUUID().toString() + ".hfile");
056    doTest(conf, path, Compression.Algorithm.ZSTD);
057  }
058
059  @Test
060  public void testReconfLevels() throws Exception {
061    Path path_1 = new Path(TEST_UTIL.getDataTestDir(),
062      HBaseTestingUtility.getRandomUUID().toString() + ".1.hfile");
063    Path path_2 = new Path(TEST_UTIL.getDataTestDir(),
064      HBaseTestingUtility.getRandomUUID().toString() + ".2.hfile");
065    conf.setInt(ZstdCodec.ZSTD_LEVEL_KEY, 1);
066    doTest(conf, path_1, Compression.Algorithm.ZSTD);
067    long len_1 = FS.getFileStatus(path_1).getLen();
068    conf.setInt(ZstdCodec.ZSTD_LEVEL_KEY, 22);
069    doTest(conf, path_2, Compression.Algorithm.ZSTD);
070    long len_2 = FS.getFileStatus(path_2).getLen();
071    LOG.info("Level 1 len {}", len_1);
072    LOG.info("Level 22 len {}", len_2);
073    assertTrue("Reconfiguraton with ZSTD_LEVEL_KEY did not seem to work", len_1 > len_2);
074  }
075
076}