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TEZ-4295: Could not decompress data. Buffer length is too small.
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147
tez-runtime-library/src/test/java/org/apache/tez/runtime/library/utils/TestCodecUtils.java
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| /** | ||
| * 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.tez.runtime.library.utils; | ||
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| import java.io.IOException; | ||
| import java.util.concurrent.ExecutorService; | ||
| import java.util.concurrent.Executors; | ||
| import java.util.concurrent.Future; | ||
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| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.hadoop.fs.CommonConfigurationKeys; | ||
| import org.apache.hadoop.io.compress.CodecPool; | ||
| import org.apache.hadoop.io.compress.CompressionCodec; | ||
| import org.apache.hadoop.io.compress.Compressor; | ||
| import org.apache.hadoop.io.compress.Decompressor; | ||
| import org.apache.tez.runtime.library.api.TezRuntimeConfiguration; | ||
| import org.apache.tez.runtime.library.common.sort.impl.IFileInputStream; | ||
| import org.junit.Assert; | ||
| import org.junit.Test; | ||
| import org.mockito.Mockito; | ||
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| public class TestCodecUtils { | ||
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| @Test | ||
| public void testConcurrentDecompressorCreationWithModifiedBuffersize() throws Exception { | ||
| int modifiedBufferSize = 1000; | ||
| int numberOfThreads = 1000; | ||
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| ExecutorService service = Executors.newFixedThreadPool(numberOfThreads); | ||
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| Configuration conf = new Configuration(); | ||
| conf.setBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_COMPRESS, true); | ||
| CompressionCodec codec = CodecUtils.getCodec(conf); | ||
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| Future<?>[] futures = new Future[numberOfThreads]; | ||
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| for (int i = 0; i < numberOfThreads; i++) { | ||
| futures[i] = service.submit(() -> { | ||
| try { | ||
| Assert.assertEquals(Integer.toString(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_DEFAULT), | ||
| conf.get(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_KEY)); | ||
|
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| Decompressor decompressor = CodecUtils.getDecompressor(codec); | ||
| CodecUtils.getDecompressedInputStreamWithBufferSize(codec, | ||
| Mockito.mock(IFileInputStream.class), decompressor, modifiedBufferSize); | ||
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| Assert.assertEquals(Integer.toString(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_DEFAULT), | ||
| conf.get(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_KEY)); | ||
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| CodecPool.returnDecompressor(decompressor); | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| }); | ||
| } | ||
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| for (Future<?> f : futures) { | ||
| f.get(); | ||
| } | ||
| } | ||
|
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| @Test | ||
| public void testConcurrentCompressorDecompressorCreation() throws Exception { | ||
| int modifiedBufferSize = 1000; | ||
| int numberOfThreads = 1000; | ||
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| ExecutorService service = Executors.newFixedThreadPool(numberOfThreads); | ||
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| Configuration conf = new Configuration(); | ||
| conf.setBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_COMPRESS, true); | ||
| CompressionCodec codec = CodecUtils.getCodec(conf); | ||
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| Future<?>[] futures = new Future[numberOfThreads]; | ||
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| for (int i = 0; i < numberOfThreads; i++) { | ||
| // let's "randomly" choose from scenarios and test them concurrently | ||
| // 1. getDecompressedInputStreamWithBufferSize | ||
| if (i % 3 == 0) { | ||
| futures[i] = service.submit(() -> { | ||
| try { | ||
| Assert.assertEquals( | ||
| Integer.toString(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_DEFAULT), | ||
| conf.get(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_KEY)); | ||
|
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| Decompressor decompressor = CodecUtils.getDecompressor(codec); | ||
| CodecUtils.getDecompressedInputStreamWithBufferSize(codec, | ||
| Mockito.mock(IFileInputStream.class), decompressor, modifiedBufferSize); | ||
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| Assert.assertEquals( | ||
| Integer.toString(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_DEFAULT), | ||
| conf.get(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_KEY)); | ||
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| CodecPool.returnDecompressor(decompressor); | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| }); | ||
| // 2. getCompressor | ||
| } else if (i % 3 == 1) { | ||
| futures[i] = service.submit(() -> { | ||
| Assert.assertEquals(Integer.toString(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_DEFAULT), | ||
| conf.get(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_KEY)); | ||
|
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| Compressor compressor = CodecUtils.getCompressor(codec); | ||
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| Assert.assertEquals(Integer.toString(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_DEFAULT), | ||
| conf.get(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_KEY)); | ||
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| CodecPool.returnCompressor(compressor); | ||
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| }); | ||
| // 3. getDecompressor | ||
| } else if (i % 3 == 2) { | ||
| futures[i] = service.submit(() -> { | ||
| Assert.assertEquals(Integer.toString(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_DEFAULT), | ||
| conf.get(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_KEY)); | ||
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| Decompressor decompressor = CodecUtils.getDecompressor(codec); | ||
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| Assert.assertEquals(Integer.toString(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_DEFAULT), | ||
| conf.get(CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_KEY)); | ||
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| CodecPool.returnDecompressor(decompressor); | ||
| }); | ||
| } | ||
| } | ||
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| for (Future<?> f : futures) { | ||
| f.get(); | ||
| } | ||
| } | ||
| } |