HDFS-12377. Refactor TestReadStripedFileWithDecoding to avoid test timeouts.
This commit is contained in:
Andrew Wang
parent
ad32759fd9
commit
d4035d42f0
@ -0,0 +1,273 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hdfs;
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import org.apache.commons.logging.LogFactory;
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import org.apache.commons.logging.impl.Log4JLogger;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.BlockLocation;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
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import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
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import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
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import org.apache.hadoop.hdfs.protocol.LocatedStripedBlock;
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import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
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import org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy;
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import org.apache.hadoop.hdfs.server.datanode.DataNode;
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import org.apache.hadoop.hdfs.server.namenode.NameNode;
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import org.apache.hadoop.hdfs.util.StripedBlockUtil;
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import org.apache.hadoop.test.GenericTestUtils;
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import org.junit.Assert;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.slf4j.event.Level;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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import java.util.ArrayList;
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import java.util.Collection;
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/**
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* Utility class for testing online recovery of striped files.
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*/
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abstract public class ReadStripedFileWithDecodingHelper {
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static final Logger LOG =
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LoggerFactory.getLogger(ReadStripedFileWithDecodingHelper.class);
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static {
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((Log4JLogger)LogFactory.getLog(BlockPlacementPolicy.class))
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.getLogger().setLevel(org.apache.log4j.Level.ALL);
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GenericTestUtils.setLogLevel(BlockManager.LOG, Level.DEBUG);
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GenericTestUtils.setLogLevel(BlockManager.blockLog, Level.DEBUG);
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GenericTestUtils.setLogLevel(NameNode.stateChangeLog, Level.DEBUG);
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}
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protected static final ErasureCodingPolicy EC_POLICY =
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StripedFileTestUtil.getDefaultECPolicy();
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protected static final short NUM_DATA_UNITS =
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(short) EC_POLICY.getNumDataUnits();
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protected static final short NUM_PARITY_UNITS =
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(short) EC_POLICY.getNumParityUnits();
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protected static final int CELL_SIZE = EC_POLICY.getCellSize();
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private static final int STRIPES_PER_BLOCK = 4;
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protected static final int BLOCK_SIZE = CELL_SIZE * STRIPES_PER_BLOCK;
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private static final int BLOCK_GROUP_SIZE = BLOCK_SIZE * NUM_DATA_UNITS;
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private static final int NUM_DATANODES = NUM_DATA_UNITS + NUM_PARITY_UNITS;
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protected static final int[] FILE_LENGTHS =
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{BLOCK_GROUP_SIZE - 123, BLOCK_GROUP_SIZE + 123};
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public static MiniDFSCluster initializeCluster() throws IOException {
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Configuration conf = new HdfsConfiguration();
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conf.setLong(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, BLOCK_SIZE);
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conf.setInt(DFSConfigKeys.DFS_NAMENODE_REPLICATION_MAX_STREAMS_KEY, 0);
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conf.setInt(DFSConfigKeys.DFS_NAMENODE_REPLICATION_STREAMS_HARD_LIMIT_KEY,
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0);
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conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_REDUNDANCY_CONSIDERLOAD_KEY,
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false);
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conf.set(DFSConfigKeys.DFS_NAMENODE_EC_POLICIES_ENABLED_KEY,
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StripedFileTestUtil.getDefaultECPolicy().getName());
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MiniDFSCluster myCluster = new MiniDFSCluster.Builder(conf)
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.numDataNodes(NUM_DATANODES)
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.build();
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myCluster.getFileSystem().getClient().setErasureCodingPolicy("/",
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StripedFileTestUtil.getDefaultECPolicy().getName());
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return myCluster;
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}
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public static void tearDownCluster(MiniDFSCluster cluster)
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throws IOException {
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if (cluster != null) {
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cluster.shutdown();
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}
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}
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public static int findFirstDataNode(MiniDFSCluster cluster,
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DistributedFileSystem dfs, Path file, long length) throws IOException {
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BlockLocation[] locs = dfs.getFileBlockLocations(file, 0, length);
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String name = (locs[0].getNames())[0];
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int dnIndex = 0;
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for (DataNode dn : cluster.getDataNodes()) {
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int port = dn.getXferPort();
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if (name.contains(Integer.toString(port))) {
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return dnIndex;
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}
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dnIndex++;
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}
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return -1;
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}
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/**
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* Cross product of FILE_LENGTHS, NUM_PARITY_UNITS+1, NUM_PARITY_UNITS.
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* Input for parameterized tests classes.
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*
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* @return Test parameters.
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*/
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public static Collection<Object[]> getParameters() {
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ArrayList<Object[]> params = new ArrayList<>();
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for (int fileLength : FILE_LENGTHS) {
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for (int dataDelNum = 1; dataDelNum <= NUM_PARITY_UNITS; dataDelNum++) {
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for (int parityDelNum = 0;
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(dataDelNum + parityDelNum) <= NUM_PARITY_UNITS; parityDelNum++) {
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params.add(new Object[] {fileLength, dataDelNum, parityDelNum});
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}
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}
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}
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return params;
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}
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public static void verifyRead(DistributedFileSystem dfs, Path testPath,
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int length, byte[] expected) throws IOException {
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LOG.info("verifyRead on path {}", testPath);
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byte[] buffer = new byte[length + 100];
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LOG.info("verifyRead verifyLength on path {}", testPath);
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StripedFileTestUtil.verifyLength(dfs, testPath, length);
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LOG.info("verifyRead verifyPread on path {}", testPath);
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StripedFileTestUtil.verifyPread(dfs, testPath, length, expected, buffer);
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LOG.info("verifyRead verifyStatefulRead on path {}", testPath);
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StripedFileTestUtil.verifyStatefulRead(dfs, testPath, length, expected,
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buffer);
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LOG.info("verifyRead verifyStatefulRead2 on path {}", testPath);
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StripedFileTestUtil.verifyStatefulRead(dfs, testPath, length, expected,
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ByteBuffer.allocate(length + 100));
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LOG.info("verifyRead verifySeek on path {}", testPath);
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StripedFileTestUtil.verifySeek(dfs, testPath, length, EC_POLICY,
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BLOCK_GROUP_SIZE);
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}
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public static void testReadWithDNFailure(MiniDFSCluster cluster,
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DistributedFileSystem dfs, int fileLength, int dnFailureNum)
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throws Exception {
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String fileType = fileLength < (BLOCK_SIZE * NUM_DATA_UNITS) ?
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"smallFile" : "largeFile";
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String src = "/dnFailure_" + dnFailureNum + "_" + fileType;
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LOG.info("testReadWithDNFailure: file = " + src
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+ ", fileSize = " + fileLength
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+ ", dnFailureNum = " + dnFailureNum);
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Path testPath = new Path(src);
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final byte[] bytes = StripedFileTestUtil.generateBytes(fileLength);
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DFSTestUtil.writeFile(dfs, testPath, bytes);
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StripedFileTestUtil.waitBlockGroupsReported(dfs, src);
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// shut down the DN that holds an internal data block
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BlockLocation[] locs = dfs.getFileBlockLocations(testPath, CELL_SIZE * 5,
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CELL_SIZE);
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for (int failedDnIdx = 0; failedDnIdx < dnFailureNum; failedDnIdx++) {
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String name = (locs[0].getNames())[failedDnIdx];
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for (DataNode dn : cluster.getDataNodes()) {
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int port = dn.getXferPort();
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if (name.contains(Integer.toString(port))) {
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dn.shutdown();
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}
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}
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}
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// check file length, pread, stateful read and seek
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verifyRead(dfs, testPath, fileLength, bytes);
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}
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/**
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* Test reading a file with some blocks(data blocks or parity blocks or both)
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* deleted or corrupted.
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* @param src file path
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* @param fileNumBytes file length
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* @param dataBlkDelNum the deleted or corrupted number of data blocks.
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* @param parityBlkDelNum the deleted or corrupted number of parity blocks.
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* @param deleteBlockFile whether block file is deleted or corrupted.
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* true is to delete the block file.
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* false is to corrupt the content of the block file.
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* @throws IOException
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*/
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public static void testReadWithBlockCorrupted(MiniDFSCluster cluster,
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DistributedFileSystem dfs, String src, int fileNumBytes,
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int dataBlkDelNum, int parityBlkDelNum,
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boolean deleteBlockFile) throws IOException {
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LOG.info("testReadWithBlockCorrupted: file = " + src
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+ ", dataBlkDelNum = " + dataBlkDelNum
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+ ", parityBlkDelNum = " + parityBlkDelNum
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+ ", deleteBlockFile? " + deleteBlockFile);
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int recoverBlkNum = dataBlkDelNum + parityBlkDelNum;
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Assert.assertTrue("dataBlkDelNum and parityBlkDelNum should be positive",
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dataBlkDelNum >= 0 && parityBlkDelNum >= 0);
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Assert.assertTrue("The sum of dataBlkDelNum and parityBlkDelNum " +
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"should be between 1 ~ " + NUM_PARITY_UNITS, recoverBlkNum <=
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NUM_PARITY_UNITS);
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// write a file with the length of writeLen
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Path srcPath = new Path(src);
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final byte[] bytes = StripedFileTestUtil.generateBytes(fileNumBytes);
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DFSTestUtil.writeFile(dfs, srcPath, bytes);
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// delete or corrupt some blocks
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corruptBlocks(cluster, dfs, srcPath, dataBlkDelNum, parityBlkDelNum,
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deleteBlockFile);
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// check the file can be read after some blocks were deleted
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verifyRead(dfs, srcPath, fileNumBytes, bytes);
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}
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public static void corruptBlocks(MiniDFSCluster cluster,
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DistributedFileSystem dfs, Path srcPath,
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int dataBlkDelNum, int parityBlkDelNum, boolean deleteBlockFile)
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throws IOException {
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LOG.info("corruptBlocks on path {}", srcPath);
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int recoverBlkNum = dataBlkDelNum + parityBlkDelNum;
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LocatedBlocks locatedBlocks = getLocatedBlocks(dfs, srcPath);
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LocatedStripedBlock lastBlock =
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(LocatedStripedBlock)locatedBlocks.getLastLocatedBlock();
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int[] delDataBlkIndices = StripedFileTestUtil.randomArray(0, NUM_DATA_UNITS,
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dataBlkDelNum);
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Assert.assertNotNull(delDataBlkIndices);
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int[] delParityBlkIndices = StripedFileTestUtil.randomArray(NUM_DATA_UNITS,
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NUM_DATA_UNITS + NUM_PARITY_UNITS, parityBlkDelNum);
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Assert.assertNotNull(delParityBlkIndices);
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int[] delBlkIndices = new int[recoverBlkNum];
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System.arraycopy(delDataBlkIndices, 0,
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delBlkIndices, 0, delDataBlkIndices.length);
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System.arraycopy(delParityBlkIndices, 0,
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delBlkIndices, delDataBlkIndices.length, delParityBlkIndices.length);
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ExtendedBlock[] delBlocks = new ExtendedBlock[recoverBlkNum];
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for (int i = 0; i < recoverBlkNum; i++) {
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delBlocks[i] = StripedBlockUtil
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.constructInternalBlock(lastBlock.getBlock(),
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CELL_SIZE, NUM_DATA_UNITS, delBlkIndices[i]);
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if (deleteBlockFile) {
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// delete the block file
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LOG.info("Deleting block file {}", delBlocks[i]);
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cluster.corruptBlockOnDataNodesByDeletingBlockFile(delBlocks[i]);
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} else {
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// corrupt the block file
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LOG.info("Corrupting block file {}", delBlocks[i]);
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cluster.corruptBlockOnDataNodes(delBlocks[i]);
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}
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}
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}
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public static LocatedBlocks getLocatedBlocks(DistributedFileSystem dfs,
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Path filePath) throws IOException {
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return dfs.getClient().getLocatedBlocks(filePath.toString(),
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0, Long.MAX_VALUE);
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}
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}
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@ -18,8 +18,6 @@
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package org.apache.hadoop.hdfs;
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import com.google.common.base.Joiner;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.FSDataInputStream;
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import org.apache.hadoop.fs.FileStatus;
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@ -27,12 +25,12 @@
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hdfs.client.impl.BlockReaderTestUtil;
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import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
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import org.apache.hadoop.hdfs.protocol.SystemErasureCodingPolicies;
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import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
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import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
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import org.apache.hadoop.hdfs.protocol.LocatedBlock;
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import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
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import org.apache.hadoop.hdfs.protocol.LocatedStripedBlock;
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import org.apache.hadoop.hdfs.protocol.SystemErasureCodingPolicies;
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import org.apache.hadoop.hdfs.util.StripedBlockUtil;
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import org.apache.hadoop.hdfs.web.WebHdfsFileSystem.WebHdfsInputStream;
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import org.apache.hadoop.io.IOUtils;
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@ -40,6 +38,8 @@
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import org.apache.hadoop.io.erasurecode.ErasureCoderOptions;
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import org.apache.hadoop.io.erasurecode.rawcoder.RawErasureEncoder;
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import org.junit.Assert;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.EOFException;
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import java.io.IOException;
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@ -57,7 +57,8 @@
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import static org.junit.Assert.assertEquals;
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public class StripedFileTestUtil {
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public static final Log LOG = LogFactory.getLog(StripedFileTestUtil.class);
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public static final Logger LOG =
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LoggerFactory.getLogger(StripedFileTestUtil.class);
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public static byte[] generateBytes(int cnt) {
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byte[] bytes = new byte[cnt];
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@ -0,0 +1,107 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hdfs;
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import org.junit.AfterClass;
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import org.junit.BeforeClass;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.rules.Timeout;
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import org.junit.runner.RunWith;
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import org.junit.runners.Parameterized;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collection;
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import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.BLOCK_SIZE;
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import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.FILE_LENGTHS;
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import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.NUM_DATA_UNITS;
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import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.NUM_PARITY_UNITS;
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import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.initializeCluster;
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import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.tearDownCluster;
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/**
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* Test online recovery with failed DNs. This test is parameterized.
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*/
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@RunWith(Parameterized.class)
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public class TestReadStripedFileWithDNFailure {
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static final Logger LOG =
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LoggerFactory.getLogger(TestReadStripedFileWithDNFailure.class);
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private static MiniDFSCluster cluster;
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private static DistributedFileSystem dfs;
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@Rule
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public Timeout globalTimeout = new Timeout(300000);
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@BeforeClass
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public static void setup() throws IOException {
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cluster = initializeCluster();
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dfs = cluster.getFileSystem();
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}
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@AfterClass
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public static void tearDown() throws IOException {
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tearDownCluster(cluster);
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}
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@Parameterized.Parameters
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public static Collection<Object[]> getParameters() {
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ArrayList<Object[]> params = new ArrayList<>();
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for (int fileLength : FILE_LENGTHS) {
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for (int i = 0; i < NUM_PARITY_UNITS; i++) {
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params.add(new Object[] {fileLength, i+1});
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}
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}
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return params;
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}
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private int fileLength;
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private int dnFailureNum;
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public TestReadStripedFileWithDNFailure(int fileLength, int dnFailureNum) {
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this.fileLength = fileLength;
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this.dnFailureNum = dnFailureNum;
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}
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/**
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* Shutdown tolerable number of Datanode before reading.
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* Verify the decoding works correctly.
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*/
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@Test
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public void testReadWithDNFailure() throws Exception {
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try {
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// setup a new cluster with no dead datanode
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setup();
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ReadStripedFileWithDecodingHelper.testReadWithDNFailure(cluster,
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dfs, fileLength, dnFailureNum);
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} catch (IOException ioe) {
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String fileType = fileLength < (BLOCK_SIZE * NUM_DATA_UNITS) ?
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"smallFile" : "largeFile";
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LOG.error("Failed to read file with DN failure:"
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+ " fileType = " + fileType
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+ ", dnFailureNum = " + dnFailureNum);
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} finally {
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// tear down the cluster
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tearDown();
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}
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}
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}
|
||||
@ -17,222 +17,58 @@
|
||||
*/
|
||||
package org.apache.hadoop.hdfs;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.commons.logging.impl.Log4JLogger;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.fs.BlockLocation;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.hdfs.protocol.Block;
|
||||
import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
|
||||
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
|
||||
import org.apache.hadoop.hdfs.protocol.LocatedBlock;
|
||||
import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
|
||||
import org.apache.hadoop.hdfs.protocol.LocatedStripedBlock;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor;
|
||||
import org.apache.hadoop.hdfs.server.datanode.DataNode;
|
||||
import org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
|
||||
import org.apache.hadoop.hdfs.server.namenode.NameNode;
|
||||
import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
|
||||
import org.apache.hadoop.hdfs.util.StripedBlockUtil;
|
||||
import org.apache.hadoop.test.GenericTestUtils;
|
||||
import org.apache.log4j.Level;
|
||||
import org.junit.After;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.junit.Rule;
|
||||
import org.junit.Test;
|
||||
import org.junit.rules.Timeout;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.nio.ByteBuffer;
|
||||
|
||||
public class TestReadStripedFileWithDecoding {
|
||||
static final Log LOG = LogFactory.getLog(TestReadStripedFileWithDecoding.class);
|
||||
import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.CELL_SIZE;
|
||||
import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.NUM_DATA_UNITS;
|
||||
import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.NUM_PARITY_UNITS;
|
||||
import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.findFirstDataNode;
|
||||
import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.initializeCluster;
|
||||
import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.tearDownCluster;
|
||||
|
||||
static {
|
||||
((Log4JLogger)LogFactory.getLog(BlockPlacementPolicy.class))
|
||||
.getLogger().setLevel(Level.ALL);
|
||||
GenericTestUtils.setLogLevel(BlockManager.LOG, Level.ALL);
|
||||
GenericTestUtils.setLogLevel(BlockManager.blockLog, Level.ALL);
|
||||
GenericTestUtils.setLogLevel(NameNode.stateChangeLog, Level.ALL);
|
||||
}
|
||||
public class TestReadStripedFileWithDecoding {
|
||||
private static final Logger LOG =
|
||||
LoggerFactory.getLogger(TestReadStripedFileWithDecoding.class);
|
||||
|
||||
private MiniDFSCluster cluster;
|
||||
private DistributedFileSystem fs;
|
||||
private final ErasureCodingPolicy ecPolicy =
|
||||
StripedFileTestUtil.getDefaultECPolicy();
|
||||
private final short dataBlocks = (short) ecPolicy.getNumDataUnits();
|
||||
private final short parityBlocks =
|
||||
(short) ecPolicy.getNumParityUnits();
|
||||
private final int numDNs = dataBlocks + parityBlocks;
|
||||
private final int cellSize = ecPolicy.getCellSize();
|
||||
private final int stripPerBlock = 4;
|
||||
private final int blockSize = cellSize * stripPerBlock;
|
||||
private final int blockGroupSize = blockSize * dataBlocks;
|
||||
private final int smallFileLength = blockGroupSize - 123;
|
||||
private final int largeFileLength = blockGroupSize + 123;
|
||||
private final int[] fileLengths = {smallFileLength, largeFileLength};
|
||||
private final int[] dnFailureNums = getDnFailureNums();
|
||||
|
||||
private int[] getDnFailureNums() {
|
||||
int[] dnFailureNums = new int[parityBlocks];
|
||||
for (int i = 0; i < dnFailureNums.length; i++) {
|
||||
dnFailureNums[i] = i + 1;
|
||||
}
|
||||
return dnFailureNums;
|
||||
}
|
||||
private DistributedFileSystem dfs;
|
||||
|
||||
@Rule
|
||||
public Timeout globalTimeout = new Timeout(300000);
|
||||
|
||||
@Before
|
||||
public void setup() throws IOException {
|
||||
Configuration conf = new HdfsConfiguration();
|
||||
conf.setLong(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, blockSize);
|
||||
conf.setInt(DFSConfigKeys.DFS_NAMENODE_REPLICATION_MAX_STREAMS_KEY, 0);
|
||||
conf.setInt(DFSConfigKeys.DFS_NAMENODE_REPLICATION_STREAMS_HARD_LIMIT_KEY, 0);
|
||||
conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_REDUNDANCY_CONSIDERLOAD_KEY,
|
||||
false);
|
||||
conf.set(DFSConfigKeys.DFS_NAMENODE_EC_POLICIES_ENABLED_KEY,
|
||||
StripedFileTestUtil.getDefaultECPolicy().getName());
|
||||
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(numDNs).build();
|
||||
cluster.getFileSystem().getClient().setErasureCodingPolicy("/",
|
||||
StripedFileTestUtil.getDefaultECPolicy().getName());
|
||||
fs = cluster.getFileSystem();
|
||||
cluster = initializeCluster();
|
||||
dfs = cluster.getFileSystem();
|
||||
}
|
||||
|
||||
@After
|
||||
public void tearDown() throws IOException {
|
||||
if (cluster != null) {
|
||||
cluster.shutdown();
|
||||
cluster = null;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Shutdown tolerable number of Datanode before reading.
|
||||
* Verify the decoding works correctly.
|
||||
*/
|
||||
@Test(timeout=300000)
|
||||
public void testReadWithDNFailure() throws Exception {
|
||||
for (int fileLength : fileLengths) {
|
||||
for (int dnFailureNum : dnFailureNums) {
|
||||
try {
|
||||
// setup a new cluster with no dead datanode
|
||||
setup();
|
||||
testReadWithDNFailure(fileLength, dnFailureNum);
|
||||
} catch (IOException ioe) {
|
||||
String fileType = fileLength < (blockSize * dataBlocks) ?
|
||||
"smallFile" : "largeFile";
|
||||
LOG.error("Failed to read file with DN failure:"
|
||||
+ " fileType = "+ fileType
|
||||
+ ", dnFailureNum = " + dnFailureNum);
|
||||
} finally {
|
||||
// tear down the cluster
|
||||
tearDown();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Corrupt tolerable number of block before reading.
|
||||
* Verify the decoding works correctly.
|
||||
*/
|
||||
@Test(timeout=300000)
|
||||
public void testReadCorruptedData() throws IOException {
|
||||
for (int fileLength : fileLengths) {
|
||||
for (int dataDelNum = 1; dataDelNum <= parityBlocks; dataDelNum++) {
|
||||
for (int parityDelNum = 0; (dataDelNum + parityDelNum) <= parityBlocks;
|
||||
parityDelNum++) {
|
||||
String src = "/corrupted_" + dataDelNum + "_" + parityDelNum;
|
||||
testReadWithBlockCorrupted(src, fileLength,
|
||||
dataDelNum, parityDelNum, false);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Delete tolerable number of block before reading.
|
||||
* Verify the decoding works correctly.
|
||||
*/
|
||||
@Test(timeout=300000)
|
||||
public void testReadCorruptedDataByDeleting() throws IOException {
|
||||
for (int fileLength : fileLengths) {
|
||||
for (int dataDelNum = 1; dataDelNum <= parityBlocks; dataDelNum++) {
|
||||
for (int parityDelNum = 0; (dataDelNum + parityDelNum) <= parityBlocks;
|
||||
parityDelNum++) {
|
||||
String src = "/deleted_" + dataDelNum + "_" + parityDelNum;
|
||||
testReadWithBlockCorrupted(src, fileLength,
|
||||
dataDelNum, parityDelNum, true);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private int findFirstDataNode(Path file, long length) throws IOException {
|
||||
BlockLocation[] locs = fs.getFileBlockLocations(file, 0, length);
|
||||
String name = (locs[0].getNames())[0];
|
||||
int dnIndex = 0;
|
||||
for (DataNode dn : cluster.getDataNodes()) {
|
||||
int port = dn.getXferPort();
|
||||
if (name.contains(Integer.toString(port))) {
|
||||
return dnIndex;
|
||||
}
|
||||
dnIndex++;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
private void verifyRead(Path testPath, int length, byte[] expected)
|
||||
throws IOException {
|
||||
byte[] buffer = new byte[length + 100];
|
||||
StripedFileTestUtil.verifyLength(fs, testPath, length);
|
||||
StripedFileTestUtil.verifyPread(fs, testPath, length, expected, buffer);
|
||||
StripedFileTestUtil.verifyStatefulRead(fs, testPath, length, expected, buffer);
|
||||
StripedFileTestUtil.verifyStatefulRead(fs, testPath, length, expected,
|
||||
ByteBuffer.allocate(length + 100));
|
||||
StripedFileTestUtil.verifySeek(fs, testPath, length, ecPolicy,
|
||||
blockGroupSize);
|
||||
}
|
||||
|
||||
private void testReadWithDNFailure(int fileLength, int dnFailureNum)
|
||||
throws Exception {
|
||||
String fileType = fileLength < (blockSize * dataBlocks) ?
|
||||
"smallFile" : "largeFile";
|
||||
String src = "/dnFailure_" + dnFailureNum + "_" + fileType;
|
||||
LOG.info("testReadWithDNFailure: file = " + src
|
||||
+ ", fileSize = " + fileLength
|
||||
+ ", dnFailureNum = " + dnFailureNum);
|
||||
|
||||
Path testPath = new Path(src);
|
||||
final byte[] bytes = StripedFileTestUtil.generateBytes(fileLength);
|
||||
DFSTestUtil.writeFile(fs, testPath, bytes);
|
||||
StripedFileTestUtil.waitBlockGroupsReported(fs, src);
|
||||
|
||||
// shut down the DN that holds an internal data block
|
||||
BlockLocation[] locs = fs.getFileBlockLocations(testPath, cellSize * 5,
|
||||
cellSize);
|
||||
for (int failedDnIdx = 0; failedDnIdx < dnFailureNum; failedDnIdx++) {
|
||||
String name = (locs[0].getNames())[failedDnIdx];
|
||||
for (DataNode dn : cluster.getDataNodes()) {
|
||||
int port = dn.getXferPort();
|
||||
if (name.contains(Integer.toString(port))) {
|
||||
dn.shutdown();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// check file length, pread, stateful read and seek
|
||||
verifyRead(testPath, fileLength, bytes);
|
||||
tearDownCluster(cluster);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -245,15 +81,17 @@ public void testReportBadBlock() throws IOException {
|
||||
final Path file = new Path("/corrupted");
|
||||
final int length = 10; // length of "corruption"
|
||||
final byte[] bytes = StripedFileTestUtil.generateBytes(length);
|
||||
DFSTestUtil.writeFile(fs, file, bytes);
|
||||
DFSTestUtil.writeFile(dfs, file, bytes);
|
||||
|
||||
// corrupt the first data block
|
||||
int dnIndex = findFirstDataNode(file, cellSize * dataBlocks);
|
||||
int dnIndex = ReadStripedFileWithDecodingHelper.findFirstDataNode(
|
||||
cluster, dfs, file, CELL_SIZE * NUM_DATA_UNITS);
|
||||
Assert.assertNotEquals(-1, dnIndex);
|
||||
LocatedStripedBlock slb = (LocatedStripedBlock)fs.getClient()
|
||||
.getLocatedBlocks(file.toString(), 0, cellSize * dataBlocks).get(0);
|
||||
LocatedStripedBlock slb = (LocatedStripedBlock) dfs.getClient()
|
||||
.getLocatedBlocks(file.toString(), 0, CELL_SIZE * NUM_DATA_UNITS)
|
||||
.get(0);
|
||||
final LocatedBlock[] blks = StripedBlockUtil.parseStripedBlockGroup(slb,
|
||||
cellSize, dataBlocks, parityBlocks);
|
||||
CELL_SIZE, NUM_DATA_UNITS, NUM_PARITY_UNITS);
|
||||
// find the first block file
|
||||
File storageDir = cluster.getInstanceStorageDir(dnIndex, 0);
|
||||
File blkFile = MiniDFSCluster.getBlockFile(storageDir, blks[0].getBlock());
|
||||
@ -272,7 +110,7 @@ public void testReportBadBlock() throws IOException {
|
||||
|
||||
try {
|
||||
// do stateful read
|
||||
StripedFileTestUtil.verifyStatefulRead(fs, file, length, bytes,
|
||||
StripedFileTestUtil.verifyStatefulRead(dfs, file, length, bytes,
|
||||
ByteBuffer.allocate(1024));
|
||||
|
||||
// check whether the corruption has been reported to the NameNode
|
||||
@ -293,110 +131,35 @@ public void testInvalidateBlock() throws IOException {
|
||||
final Path file = new Path("/invalidate");
|
||||
final int length = 10;
|
||||
final byte[] bytes = StripedFileTestUtil.generateBytes(length);
|
||||
DFSTestUtil.writeFile(fs, file, bytes);
|
||||
DFSTestUtil.writeFile(dfs, file, bytes);
|
||||
|
||||
int dnIndex = findFirstDataNode(file, cellSize * dataBlocks);
|
||||
int dnIndex = findFirstDataNode(cluster, dfs, file,
|
||||
CELL_SIZE * NUM_DATA_UNITS);
|
||||
Assert.assertNotEquals(-1, dnIndex);
|
||||
LocatedStripedBlock slb = (LocatedStripedBlock)fs.getClient()
|
||||
.getLocatedBlocks(file.toString(), 0, cellSize * dataBlocks).get(0);
|
||||
LocatedStripedBlock slb = (LocatedStripedBlock) dfs.getClient()
|
||||
.getLocatedBlocks(file.toString(), 0, CELL_SIZE * NUM_DATA_UNITS)
|
||||
.get(0);
|
||||
final LocatedBlock[] blks = StripedBlockUtil.parseStripedBlockGroup(slb,
|
||||
cellSize, dataBlocks, parityBlocks);
|
||||
CELL_SIZE, NUM_DATA_UNITS, NUM_PARITY_UNITS);
|
||||
final Block b = blks[0].getBlock().getLocalBlock();
|
||||
|
||||
DataNode dn = cluster.getDataNodes().get(dnIndex);
|
||||
// disable the heartbeat from DN so that the invalidated block record is kept
|
||||
// in NameNode until heartbeat expires and NN mark the dn as dead
|
||||
// disable the heartbeat from DN so that the invalidated block record is
|
||||
// kept in NameNode until heartbeat expires and NN mark the dn as dead
|
||||
DataNodeTestUtils.setHeartbeatsDisabledForTests(dn, true);
|
||||
|
||||
try {
|
||||
// delete the file
|
||||
fs.delete(file, true);
|
||||
dfs.delete(file, true);
|
||||
// check the block is added to invalidateBlocks
|
||||
final FSNamesystem fsn = cluster.getNamesystem();
|
||||
final BlockManager bm = fsn.getBlockManager();
|
||||
DatanodeDescriptor dnd = NameNodeAdapter.getDatanode(fsn, dn.getDatanodeId());
|
||||
DatanodeDescriptor dnd =
|
||||
NameNodeAdapter.getDatanode(fsn, dn.getDatanodeId());
|
||||
Assert.assertTrue(bm.containsInvalidateBlock(
|
||||
blks[0].getLocations()[0], b) || dnd.containsInvalidateBlock(b));
|
||||
} finally {
|
||||
DataNodeTestUtils.setHeartbeatsDisabledForTests(dn, false);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Test reading a file with some blocks(data blocks or parity blocks or both)
|
||||
* deleted or corrupted.
|
||||
* @param src file path
|
||||
* @param fileLength file length
|
||||
* @param dataBlkDelNum the deleted or corrupted number of data blocks.
|
||||
* @param parityBlkDelNum the deleted or corrupted number of parity blocks.
|
||||
* @param deleteBlockFile whether block file is deleted or corrupted.
|
||||
* true is to delete the block file.
|
||||
* false is to corrupt the content of the block file.
|
||||
* @throws IOException
|
||||
*/
|
||||
private void testReadWithBlockCorrupted(String src, int fileLength,
|
||||
int dataBlkDelNum, int parityBlkDelNum, boolean deleteBlockFile)
|
||||
throws IOException {
|
||||
LOG.info("testReadWithBlockCorrupted: file = " + src
|
||||
+ ", dataBlkDelNum = " + dataBlkDelNum
|
||||
+ ", parityBlkDelNum = " + parityBlkDelNum
|
||||
+ ", deleteBlockFile? " + deleteBlockFile);
|
||||
int recoverBlkNum = dataBlkDelNum + parityBlkDelNum;
|
||||
Assert.assertTrue("dataBlkDelNum and parityBlkDelNum should be positive",
|
||||
dataBlkDelNum >= 0 && parityBlkDelNum >= 0);
|
||||
Assert.assertTrue("The sum of dataBlkDelNum and parityBlkDelNum " +
|
||||
"should be between 1 ~ " + parityBlocks, recoverBlkNum <= parityBlocks);
|
||||
|
||||
// write a file with the length of writeLen
|
||||
Path srcPath = new Path(src);
|
||||
final byte[] bytes = StripedFileTestUtil.generateBytes(fileLength);
|
||||
DFSTestUtil.writeFile(fs, srcPath, bytes);
|
||||
|
||||
// delete or corrupt some blocks
|
||||
corruptBlocks(srcPath, dataBlkDelNum, parityBlkDelNum, deleteBlockFile);
|
||||
|
||||
// check the file can be read after some blocks were deleted
|
||||
verifyRead(srcPath, fileLength, bytes);
|
||||
}
|
||||
|
||||
private void corruptBlocks(Path srcPath, int dataBlkDelNum,
|
||||
int parityBlkDelNum, boolean deleteBlockFile) throws IOException {
|
||||
int recoverBlkNum = dataBlkDelNum + parityBlkDelNum;
|
||||
|
||||
LocatedBlocks locatedBlocks = getLocatedBlocks(srcPath);
|
||||
LocatedStripedBlock lastBlock =
|
||||
(LocatedStripedBlock)locatedBlocks.getLastLocatedBlock();
|
||||
|
||||
int[] delDataBlkIndices = StripedFileTestUtil.randomArray(0, dataBlocks,
|
||||
dataBlkDelNum);
|
||||
Assert.assertNotNull(delDataBlkIndices);
|
||||
int[] delParityBlkIndices = StripedFileTestUtil.randomArray(dataBlocks,
|
||||
dataBlocks + parityBlocks, parityBlkDelNum);
|
||||
Assert.assertNotNull(delParityBlkIndices);
|
||||
|
||||
int[] delBlkIndices = new int[recoverBlkNum];
|
||||
System.arraycopy(delDataBlkIndices, 0,
|
||||
delBlkIndices, 0, delDataBlkIndices.length);
|
||||
System.arraycopy(delParityBlkIndices, 0,
|
||||
delBlkIndices, delDataBlkIndices.length, delParityBlkIndices.length);
|
||||
|
||||
ExtendedBlock[] delBlocks = new ExtendedBlock[recoverBlkNum];
|
||||
for (int i = 0; i < recoverBlkNum; i++) {
|
||||
delBlocks[i] = StripedBlockUtil
|
||||
.constructInternalBlock(lastBlock.getBlock(),
|
||||
cellSize, dataBlocks, delBlkIndices[i]);
|
||||
if (deleteBlockFile) {
|
||||
// delete the block file
|
||||
cluster.corruptBlockOnDataNodesByDeletingBlockFile(delBlocks[i]);
|
||||
} else {
|
||||
// corrupt the block file
|
||||
cluster.corruptBlockOnDataNodes(delBlocks[i]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private LocatedBlocks getLocatedBlocks(Path filePath) throws IOException {
|
||||
return fs.getClient().getLocatedBlocks(filePath.toString(),
|
||||
0, Long.MAX_VALUE);
|
||||
}
|
||||
}
|
||||
|
||||
@ -0,0 +1,87 @@
|
||||
/**
|
||||
* 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.hadoop.hdfs;
|
||||
|
||||
import org.junit.AfterClass;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Rule;
|
||||
import org.junit.Test;
|
||||
import org.junit.rules.Timeout;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.junit.runners.Parameterized;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.Collection;
|
||||
|
||||
import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.initializeCluster;
|
||||
import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.tearDownCluster;
|
||||
|
||||
/**
|
||||
* Test online recovery with corrupt files. This test is parameterized.
|
||||
*/
|
||||
@RunWith(Parameterized.class)
|
||||
public class TestReadStripedFileWithDecodingCorruptData {
|
||||
static final Logger LOG =
|
||||
LoggerFactory.getLogger(TestReadStripedFileWithDecodingCorruptData.class);
|
||||
|
||||
private static MiniDFSCluster cluster;
|
||||
private static DistributedFileSystem dfs;
|
||||
|
||||
@Rule
|
||||
public Timeout globalTimeout = new Timeout(300000);
|
||||
|
||||
@BeforeClass
|
||||
public static void setup() throws IOException {
|
||||
cluster = initializeCluster();
|
||||
dfs = cluster.getFileSystem();
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
public static void tearDown() throws IOException {
|
||||
tearDownCluster(cluster);
|
||||
}
|
||||
|
||||
@Parameterized.Parameters
|
||||
public static Collection<Object[]> getParameters() {
|
||||
return ReadStripedFileWithDecodingHelper.getParameters();
|
||||
}
|
||||
|
||||
private int fileLength;
|
||||
private int dataDelNum;
|
||||
private int parityDelNum;
|
||||
|
||||
public TestReadStripedFileWithDecodingCorruptData(int fileLength, int
|
||||
dataDelNum, int parityDelNum) {
|
||||
this.fileLength = fileLength;
|
||||
this.dataDelNum = dataDelNum;
|
||||
this.parityDelNum = parityDelNum;
|
||||
}
|
||||
|
||||
/**
|
||||
* Corrupt tolerable number of block before reading.
|
||||
* Verify the decoding works correctly.
|
||||
*/
|
||||
@Test
|
||||
public void testReadCorruptedData() throws IOException {
|
||||
String src = "/corrupted_" + dataDelNum + "_" + parityDelNum;
|
||||
ReadStripedFileWithDecodingHelper.testReadWithBlockCorrupted(cluster,
|
||||
dfs, src, fileLength, dataDelNum, parityDelNum, false);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,88 @@
|
||||
/**
|
||||
* 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.hadoop.hdfs;
|
||||
|
||||
import org.junit.AfterClass;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Rule;
|
||||
import org.junit.Test;
|
||||
import org.junit.rules.Timeout;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.junit.runners.Parameterized;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.Collection;
|
||||
|
||||
import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.initializeCluster;
|
||||
import static org.apache.hadoop.hdfs.ReadStripedFileWithDecodingHelper.tearDownCluster;
|
||||
|
||||
/**
|
||||
* Test online recovery with files with deleted blocks. This test is
|
||||
* parameterized.
|
||||
*/
|
||||
@RunWith(Parameterized.class)
|
||||
public class TestReadStripedFileWithDecodingDeletedData {
|
||||
static final Logger LOG =
|
||||
LoggerFactory.getLogger(TestReadStripedFileWithDecodingDeletedData.class);
|
||||
|
||||
private static MiniDFSCluster cluster;
|
||||
private static DistributedFileSystem dfs;
|
||||
|
||||
@Rule
|
||||
public Timeout globalTimeout = new Timeout(300000);
|
||||
|
||||
@BeforeClass
|
||||
public static void setup() throws IOException {
|
||||
cluster = initializeCluster();
|
||||
dfs = cluster.getFileSystem();
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
public static void tearDown() throws IOException {
|
||||
tearDownCluster(cluster);
|
||||
}
|
||||
|
||||
@Parameterized.Parameters
|
||||
public static Collection<Object[]> getParameters() {
|
||||
return ReadStripedFileWithDecodingHelper.getParameters();
|
||||
}
|
||||
|
||||
private int fileLength;
|
||||
private int dataDelNum;
|
||||
private int parityDelNum;
|
||||
|
||||
public TestReadStripedFileWithDecodingDeletedData(int fileLength, int
|
||||
dataDelNum, int parityDelNum) {
|
||||
this.fileLength = fileLength;
|
||||
this.dataDelNum = dataDelNum;
|
||||
this.parityDelNum = parityDelNum;
|
||||
}
|
||||
|
||||
/**
|
||||
* Delete tolerable number of block before reading.
|
||||
* Verify the decoding works correctly.
|
||||
*/
|
||||
@Test
|
||||
public void testReadCorruptedDataByDeleting() throws IOException {
|
||||
String src = "/deleted_" + dataDelNum + "_" + parityDelNum;
|
||||
ReadStripedFileWithDecodingHelper.testReadWithBlockCorrupted(cluster,
|
||||
dfs, src, fileLength, dataDelNum, parityDelNum, true);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user