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.jupiter.api.Assertions.assertTrue;
021
022import org.apache.hadoop.conf.Configuration;
023import org.apache.hadoop.fs.Path;
024import org.apache.hadoop.hbase.HBaseTestingUtil;
025import org.apache.hadoop.hbase.io.compress.Compression;
026import org.apache.hadoop.hbase.io.compress.HFileTestBase;
027import org.apache.hadoop.hbase.testclassification.IOTests;
028import org.apache.hadoop.hbase.testclassification.SmallTests;
029import org.junit.jupiter.api.BeforeAll;
030import org.junit.jupiter.api.BeforeEach;
031import org.junit.jupiter.api.Tag;
032import org.junit.jupiter.api.Test;
033
034@Tag(IOTests.TAG)
035@Tag(SmallTests.TAG)
036public class TestHFileCompressionZstd extends HFileTestBase {
037
038  private static Configuration conf;
039
040  @BeforeAll
041  public static void setUpBeforeClass() throws Exception {
042    HFileTestBase.setUpBeforeClass();
043  }
044
045  @BeforeEach
046  public void setUp() throws Exception {
047    conf = TEST_UTIL.getConfiguration();
048    conf.set(Compression.ZSTD_CODEC_CLASS_KEY, ZstdCodec.class.getCanonicalName());
049    Compression.Algorithm.ZSTD.reload(conf);
050    HFileTestBase.setUpBeforeClass();
051  }
052
053  @Test
054  public void testWithStreamDecompression() throws Exception {
055    conf.setBoolean("hbase.io.compress.zstd.allowByteBuffDecompression", false);
056    Compression.Algorithm.ZSTD.reload(conf);
057    Path path =
058      new Path(TEST_UTIL.getDataTestDir(), HBaseTestingUtil.getRandomUUID().toString() + ".hfile");
059    doTest(conf, path, Compression.Algorithm.ZSTD);
060  }
061
062  @Test
063  public void testWithByteBuffDecompression() throws Exception {
064    Path path =
065      new Path(TEST_UTIL.getDataTestDir(), HBaseTestingUtil.getRandomUUID().toString() + ".hfile");
066    doTest(conf, path, Compression.Algorithm.ZSTD);
067  }
068
069  @Test
070  public void testReconfLevels() throws Exception {
071    Path path_1 = new Path(TEST_UTIL.getDataTestDir(),
072      HBaseTestingUtil.getRandomUUID().toString() + ".1.hfile");
073    Path path_2 = new Path(TEST_UTIL.getDataTestDir(),
074      HBaseTestingUtil.getRandomUUID().toString() + ".2.hfile");
075    conf.setInt(ZstdCodec.ZSTD_LEVEL_KEY, 1);
076    doTest(conf, path_1, Compression.Algorithm.ZSTD);
077    long len_1 = FS.getFileStatus(path_1).getLen();
078    conf.setInt(ZstdCodec.ZSTD_LEVEL_KEY, 22);
079    doTest(conf, path_2, Compression.Algorithm.ZSTD);
080    long len_2 = FS.getFileStatus(path_2).getLen();
081    LOG.info("Level 1 len {}", len_1);
082    LOG.info("Level 22 len {}", len_2);
083    assertTrue(len_1 > len_2, "Reconfiguraton with ZSTD_LEVEL_KEY did not seem to work");
084  }
085}