/**
* 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.tajo.storage;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.SequenceFile;
import org.apache.hadoop.io.compress.*;
import org.apache.hadoop.io.compress.zlib.ZlibFactory;
import org.apache.hadoop.util.NativeCodeLoader;
import org.apache.tajo.catalog.CatalogUtil;
import org.apache.tajo.catalog.Schema;
import org.apache.tajo.catalog.TableMeta;
import org.apache.tajo.catalog.proto.CatalogProtos.StoreType;
import org.apache.tajo.catalog.statistics.TableStats;
import org.apache.tajo.common.TajoDataTypes.Type;
import org.apache.tajo.conf.TajoConf;
import org.apache.tajo.datum.DatumFactory;
import org.apache.tajo.storage.fragment.FileFragment;
import org.apache.tajo.util.CommonTestingUtil;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import static org.junit.Assert.*;
@RunWith(Parameterized.class)
public class TestCompressionStorages {
private TajoConf conf;
private static String TEST_PATH = "target/test-data/TestCompressionStorages";
private StoreType storeType;
private Path testDir;
private FileSystem fs;
public TestCompressionStorages(StoreType type) throws IOException {
this.storeType = type;
conf = new TajoConf();
testDir = CommonTestingUtil.getTestDir(TEST_PATH);
fs = testDir.getFileSystem(conf);
}
@Parameterized.Parameters
public static Collection<Object[]> generateParameters() {
return Arrays.asList(new Object[][]{
{StoreType.CSV},
{StoreType.RCFILE},
{StoreType.SEQUENCEFILE}
});
}
@Test
public void testDeflateCodecCompressionData() throws IOException {
storageCompressionTest(storeType, DeflateCodec.class);
}
@Test
public void testGzipCodecCompressionData() throws IOException {
if (storeType == StoreType.RCFILE) {
if( ZlibFactory.isNativeZlibLoaded(conf)) {
storageCompressionTest(storeType, GzipCodec.class);
}
} else if (storeType == StoreType.SEQUENCEFILE) {
if( ZlibFactory.isNativeZlibLoaded(conf)) {
storageCompressionTest(storeType, GzipCodec.class);
}
} else {
storageCompressionTest(storeType, GzipCodec.class);
}
}
@Test
public void testSnappyCodecCompressionData() throws IOException {
if (SnappyCodec.isNativeCodeLoaded()) {
storageCompressionTest(storeType, SnappyCodec.class);
}
}
@Test
public void testBzip2CodecCompressionData() throws IOException {
storageCompressionTest(storeType, BZip2Codec.class);
}
@Test
public void testLz4CodecCompressionData() throws IOException {
if(NativeCodeLoader.isNativeCodeLoaded() && Lz4Codec.isNativeCodeLoaded())
storageCompressionTest(storeType, Lz4Codec.class);
}
@Test
public void testSplitCompressionData() throws IOException {
if(StoreType.CSV != storeType) return;
Schema schema = new Schema();
schema.addColumn("id", Type.INT4);
schema.addColumn("age", Type.INT8);
TableMeta meta = CatalogUtil.newTableMeta(storeType);
meta.putOption("compression.codec", BZip2Codec.class.getCanonicalName());
Path tablePath = new Path(testDir, "SplitCompression");
Appender appender = StorageManagerFactory.getStorageManager(conf).getAppender(meta, schema, tablePath);
appender.enableStats();
appender.init();
String extention = "";
if (appender instanceof CSVFile.CSVAppender) {
extention = ((CSVFile.CSVAppender) appender).getExtension();
}
int tupleNum = 100000;
VTuple vTuple;
for (int i = 0; i < tupleNum; i++) {
vTuple = new VTuple(2);
vTuple.put(0, DatumFactory.createInt4(i + 1));
vTuple.put(1, DatumFactory.createInt8(25l));
appender.addTuple(vTuple);
}
appender.close();
TableStats stat = appender.getStats();
assertEquals(tupleNum, stat.getNumRows().longValue());
tablePath = tablePath.suffix(extention);
FileStatus status = fs.getFileStatus(tablePath);
long fileLen = status.getLen();
long randomNum = (long) (Math.random() * fileLen) + 1;
FileFragment[] tablets = new FileFragment[2];
tablets[0] = new FileFragment("SplitCompression", tablePath, 0, randomNum);
tablets[1] = new FileFragment("SplitCompression", tablePath, randomNum, (fileLen - randomNum));
Scanner scanner = StorageManagerFactory.getStorageManager(conf).getScanner(meta, schema, tablets[0], schema);
assertTrue(scanner.isSplittable());
scanner.init();
int tupleCnt = 0;
Tuple tuple;
while ((tuple = scanner.next()) != null) {
tupleCnt++;
}
scanner.close();
scanner = StorageManagerFactory.getStorageManager(conf).getScanner(meta, schema, tablets[1], schema);
assertTrue(scanner.isSplittable());
scanner.init();
while ((tuple = scanner.next()) != null) {
tupleCnt++;
}
scanner.close();
assertEquals(tupleNum, tupleCnt);
}
private void storageCompressionTest(StoreType storeType, Class<? extends CompressionCodec> codec) throws IOException {
Schema schema = new Schema();
schema.addColumn("id", Type.INT4);
schema.addColumn("age", Type.FLOAT4);
schema.addColumn("name", Type.TEXT);
TableMeta meta = CatalogUtil.newTableMeta(storeType);
meta.putOption("compression.codec", codec.getCanonicalName());
meta.putOption("compression.type", SequenceFile.CompressionType.BLOCK.name());
meta.putOption("rcfile.serde", TextSerializerDeserializer.class.getName());
meta.putOption("sequencefile.serde", TextSerializerDeserializer.class.getName());
String fileName = "Compression_" + codec.getSimpleName();
Path tablePath = new Path(testDir, fileName);
Appender appender = StorageManagerFactory.getStorageManager(conf).getAppender(meta, schema, tablePath);
appender.enableStats();
appender.init();
String extension = "";
if (appender instanceof CSVFile.CSVAppender) {
extension = ((CSVFile.CSVAppender) appender).getExtension();
}
int tupleNum = 100000;
VTuple vTuple;
for (int i = 0; i < tupleNum; i++) {
vTuple = new VTuple(3);
vTuple.put(0, DatumFactory.createInt4(i + 1));
vTuple.put(1, DatumFactory.createFloat4((float) i));
vTuple.put(2, DatumFactory.createText(String.valueOf(i)));
appender.addTuple(vTuple);
}
appender.close();
TableStats stat = appender.getStats();
assertEquals(tupleNum, stat.getNumRows().longValue());
tablePath = tablePath.suffix(extension);
FileStatus status = fs.getFileStatus(tablePath);
long fileLen = status.getLen();
FileFragment[] tablets = new FileFragment[1];
tablets[0] = new FileFragment(fileName, tablePath, 0, fileLen);
Scanner scanner = StorageManagerFactory.getStorageManager(conf).getScanner(meta, schema, tablets[0], schema);
if (StoreType.CSV == storeType) {
if (SplittableCompressionCodec.class.isAssignableFrom(codec)) {
assertTrue(scanner.isSplittable());
} else {
assertFalse(scanner.isSplittable());
}
}
scanner.init();
int tupleCnt = 0;
Tuple tuple;
while ((tuple = scanner.next()) != null) {
tupleCnt++;
}
scanner.close();
assertEquals(tupleNum, tupleCnt);
assertNotSame(appender.getStats().getNumBytes().longValue(), scanner.getInputStats().getNumBytes().longValue());
assertEquals(appender.getStats().getNumRows().longValue(), scanner.getInputStats().getNumRows().longValue());
}
}