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Posted to hdfs-commits@hadoop.apache.org by ha...@apache.org on 2010/03/29 23:59:31 UTC
svn commit: r928915 - in
/hadoop/hdfs/branches/branch-0.21/src/test/unit/org/apache/hadoop/hdfs/server/datanode:
./ TestBlockRecovery.java
Author: hairong
Date: Mon Mar 29 21:59:31 2010
New Revision: 928915
URL: http://svn.apache.org/viewvc?rev=928915&view=rev
Log:
Add the missed file when commiting HDFS-512 to HDFS 0.21.
Added:
hadoop/hdfs/branches/branch-0.21/src/test/unit/org/apache/hadoop/hdfs/server/datanode/
hadoop/hdfs/branches/branch-0.21/src/test/unit/org/apache/hadoop/hdfs/server/datanode/TestBlockRecovery.java
Added: hadoop/hdfs/branches/branch-0.21/src/test/unit/org/apache/hadoop/hdfs/server/datanode/TestBlockRecovery.java
URL: http://svn.apache.org/viewvc/hadoop/hdfs/branches/branch-0.21/src/test/unit/org/apache/hadoop/hdfs/server/datanode/TestBlockRecovery.java?rev=928915&view=auto
==============================================================================
--- hadoop/hdfs/branches/branch-0.21/src/test/unit/org/apache/hadoop/hdfs/server/datanode/TestBlockRecovery.java (added)
+++ hadoop/hdfs/branches/branch-0.21/src/test/unit/org/apache/hadoop/hdfs/server/datanode/TestBlockRecovery.java Mon Mar 29 21:59:31 2010
@@ -0,0 +1,316 @@
+/**
+ * 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.server.datanode;
+
+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.FileSystem;
+import org.apache.hadoop.fs.FileUtil;
+import org.apache.hadoop.hdfs.DFSConfigKeys;
+import org.apache.hadoop.hdfs.HdfsConfiguration;
+import org.apache.hadoop.hdfs.MiniDFSCluster;
+import org.apache.hadoop.hdfs.protocol.Block;
+import org.apache.hadoop.hdfs.protocol.DatanodeID;
+import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
+import org.apache.hadoop.hdfs.server.common.HdfsConstants.ReplicaState;
+import org.apache.hadoop.hdfs.server.datanode.DataNode;
+import org.apache.hadoop.hdfs.server.datanode.DataNode.BlockRecord;
+import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
+import org.apache.hadoop.hdfs.server.protocol.DatanodeCommand;
+import org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol;
+import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration;
+import org.apache.hadoop.hdfs.server.protocol.InterDatanodeProtocol;
+import org.apache.hadoop.hdfs.server.protocol.NamespaceInfo;
+import org.apache.hadoop.hdfs.server.protocol.ReplicaRecoveryInfo;
+import org.apache.hadoop.hdfs.server.protocol.BlockRecoveryCommand.RecoveringBlock;
+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 static org.mockito.Mockito.*;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+
+/**
+ * This tests if sync all replicas in block recovery works correctly
+ */
+public class TestBlockRecovery {
+ private static final Log LOG = LogFactory.getLog(TestBlockRecovery.class);
+ private static final String DATA_DIR =
+ MiniDFSCluster.getBaseDirectory() + "data";
+ private DataNode dn;
+ private Configuration conf;
+ private final static long RECOVERY_ID = 3000L;
+ private final static long BLOCK_ID = 1000L;
+ private final static long GEN_STAMP = 2000L;
+ private final static long BLOCK_LEN = 3000L;
+ private final static long REPLICA_LEN1 = 6000L;
+ private final static long REPLICA_LEN2 = 5000L;
+ private final static Block block = new Block(BLOCK_ID, BLOCK_LEN, GEN_STAMP);
+
+ static {
+ ((Log4JLogger)FSNamesystem.LOG).getLogger().setLevel(Level.ALL);
+ ((Log4JLogger)LOG).getLogger().setLevel(Level.ALL);
+ }
+
+ /**
+ * Starts an instance of DataNode
+ * @throws IOException
+ */
+ @Before
+ public void startUp() throws IOException {
+ conf = new HdfsConfiguration();
+ conf.set(DFSConfigKeys.DFS_DATANODE_DATA_DIR_KEY, DATA_DIR);
+ FileSystem.setDefaultUri(conf, "hdfs://localhost:5020");
+ ArrayList<File> dirs = new ArrayList<File>();
+ File dataDir = new File(DATA_DIR);
+ FileUtil.fullyDelete(dataDir);
+ dataDir.mkdirs();
+ dirs.add(dataDir);
+ DatanodeProtocol namenode = mock(DatanodeProtocol.class);
+ when(namenode.versionRequest()).thenReturn(new NamespaceInfo(1, 1L, 1));
+ when(namenode.sendHeartbeat(any(DatanodeRegistration.class), anyLong(),
+ anyLong(), anyLong(), anyInt(), anyInt())).thenReturn(
+ new DatanodeCommand[0]);
+ dn = new DataNode(conf, dirs, namenode);
+ }
+
+ /**
+ * Cleans the resources and closes the instance of datanode
+ * @throws IOException if an error occurred
+ */
+ @After
+ public void tearDown() throws IOException {
+ if (dn != null) {
+ try {
+ dn.shutdown();
+ } catch(Exception e) {
+ LOG.error("Cannot close: ", e);
+ } finally {
+ File dir = new File(DATA_DIR);
+ if (dir.exists())
+ Assert.assertTrue(
+ "Cannot delete data-node dirs", FileUtil.fullyDelete(dir));
+ }
+ }
+ }
+
+ /** Sync two replicas */
+ private void testSyncReplicas(ReplicaRecoveryInfo replica1,
+ ReplicaRecoveryInfo replica2,
+ InterDatanodeProtocol dn1,
+ InterDatanodeProtocol dn2) throws IOException {
+
+ DatanodeInfo[] locs = new DatanodeInfo[]{
+ mock(DatanodeInfo.class), mock(DatanodeInfo.class)};
+ RecoveringBlock rBlock = new RecoveringBlock(block,
+ locs, RECOVERY_ID);
+ ArrayList<BlockRecord> syncList = new ArrayList<BlockRecord>(2);
+ BlockRecord record1 = new BlockRecord(
+ new DatanodeID("xx", "yy", 44, 55), dn1, replica1);
+ BlockRecord record2 = new BlockRecord(
+ new DatanodeID("aa", "bb", 11, 22), dn2, replica2);
+ syncList.add(record1);
+ syncList.add(record2);
+ dn.syncBlock(rBlock, syncList);
+ }
+
+ /**
+ * BlockRecovery_02.8.
+ * Two replicas are in Finalized state
+ * @throws IOException in case of an error
+ */
+ @Test
+ public void testFinalizedReplicas () throws IOException {
+ LOG.debug("Running " + GenericTestUtils.getMethodName());
+ ReplicaRecoveryInfo replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN1, GEN_STAMP-1, ReplicaState.FINALIZED);
+ ReplicaRecoveryInfo replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN1, GEN_STAMP-2, ReplicaState.FINALIZED);
+
+ InterDatanodeProtocol dn1 = mock(InterDatanodeProtocol.class);
+ InterDatanodeProtocol dn2 = mock(InterDatanodeProtocol.class);
+
+ testSyncReplicas(replica1, replica2, dn1, dn2);
+ verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, REPLICA_LEN1);
+ verify(dn2).updateReplicaUnderRecovery(block, RECOVERY_ID, REPLICA_LEN1);
+
+ // two finalized replicas have different length
+ replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN1, GEN_STAMP-1, ReplicaState.FINALIZED);
+ replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN2, GEN_STAMP-2, ReplicaState.FINALIZED);
+
+ try {
+ testSyncReplicas(replica1, replica2, dn1, dn2);
+ Assert.fail("Two finalized replicas should not have different lengthes!");
+ } catch (IOException e) {
+ Assert.assertTrue(e.getMessage().startsWith(
+ "Inconsistent size of finalized replicas. "));
+ }
+ }
+
+ /**
+ * BlockRecovery_02.9.
+ * One replica is Finalized and another is RBW.
+ * @throws IOException in case of an error
+ */
+ @Test
+ public void testFinalizedRbwReplicas() throws IOException {
+ LOG.debug("Running " + GenericTestUtils.getMethodName());
+
+ // rbw and finalized replicas have the same length
+ ReplicaRecoveryInfo replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN1, GEN_STAMP-1, ReplicaState.FINALIZED);
+ ReplicaRecoveryInfo replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN1, GEN_STAMP-2, ReplicaState.RBW);
+
+ InterDatanodeProtocol dn1 = mock(InterDatanodeProtocol.class);
+ InterDatanodeProtocol dn2 = mock(InterDatanodeProtocol.class);
+
+ testSyncReplicas(replica1, replica2, dn1, dn2);
+ verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, REPLICA_LEN1);
+ verify(dn2).updateReplicaUnderRecovery(block, RECOVERY_ID, REPLICA_LEN1);
+
+ // rbw replica has a different length from the finalized one
+ replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN1, GEN_STAMP-1, ReplicaState.FINALIZED);
+ replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN2, GEN_STAMP-2, ReplicaState.RBW);
+
+ dn1 = mock(InterDatanodeProtocol.class);
+ dn2 = mock(InterDatanodeProtocol.class);
+
+ testSyncReplicas(replica1, replica2, dn1, dn2);
+ verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, REPLICA_LEN1);
+ verify(dn2, never()).updateReplicaUnderRecovery(
+ block, RECOVERY_ID, REPLICA_LEN1);
+ }
+
+ /**
+ * BlockRecovery_02.10.
+ * One replica is Finalized and another is RWR.
+ * @throws IOException in case of an error
+ */
+ @Test
+ public void testFinalizedRwrReplicas() throws IOException {
+ LOG.debug("Running " + GenericTestUtils.getMethodName());
+
+ // rbw and finalized replicas have the same length
+ ReplicaRecoveryInfo replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN1, GEN_STAMP-1, ReplicaState.FINALIZED);
+ ReplicaRecoveryInfo replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN1, GEN_STAMP-2, ReplicaState.RWR);
+
+ InterDatanodeProtocol dn1 = mock(InterDatanodeProtocol.class);
+ InterDatanodeProtocol dn2 = mock(InterDatanodeProtocol.class);
+
+ testSyncReplicas(replica1, replica2, dn1, dn2);
+ verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, REPLICA_LEN1);
+ verify(dn2, never()).updateReplicaUnderRecovery(
+ block, RECOVERY_ID, REPLICA_LEN1);
+
+ // rbw replica has a different length from the finalized one
+ replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN1, GEN_STAMP-1, ReplicaState.FINALIZED);
+ replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN2, GEN_STAMP-2, ReplicaState.RBW);
+
+ dn1 = mock(InterDatanodeProtocol.class);
+ dn2 = mock(InterDatanodeProtocol.class);
+
+ testSyncReplicas(replica1, replica2, dn1, dn2);
+ verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, REPLICA_LEN1);
+ verify(dn2, never()).updateReplicaUnderRecovery(
+ block, RECOVERY_ID, REPLICA_LEN1);
+ }
+
+ /**
+ * BlockRecovery_02.11.
+ * Two replicas are RBW.
+ * @throws IOException in case of an error
+ */
+ @Test
+ public void testRBWReplicas() throws IOException {
+ LOG.debug("Running " + GenericTestUtils.getMethodName());
+ ReplicaRecoveryInfo replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN1, GEN_STAMP-1, ReplicaState.RBW);
+ ReplicaRecoveryInfo replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN2, GEN_STAMP-2, ReplicaState.RBW);
+
+ InterDatanodeProtocol dn1 = mock(InterDatanodeProtocol.class);
+ InterDatanodeProtocol dn2 = mock(InterDatanodeProtocol.class);
+
+ testSyncReplicas(replica1, replica2, dn1, dn2);
+ long minLen = Math.min(REPLICA_LEN1, REPLICA_LEN2);
+ verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, minLen);
+ verify(dn2).updateReplicaUnderRecovery(block, RECOVERY_ID, minLen);
+ }
+
+ /**
+ * BlockRecovery_02.12.
+ * One replica is RBW and another is RWR.
+ * @throws IOException in case of an error
+ */
+ @Test
+ public void testRBW_RWRReplicas() throws IOException {
+ LOG.debug("Running " + GenericTestUtils.getMethodName());
+ ReplicaRecoveryInfo replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN1, GEN_STAMP-1, ReplicaState.RBW);
+ ReplicaRecoveryInfo replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN1, GEN_STAMP-2, ReplicaState.RWR);
+
+ InterDatanodeProtocol dn1 = mock(InterDatanodeProtocol.class);
+ InterDatanodeProtocol dn2 = mock(InterDatanodeProtocol.class);
+
+ testSyncReplicas(replica1, replica2, dn1, dn2);
+ verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, REPLICA_LEN1);
+ verify(dn2, never()).updateReplicaUnderRecovery(
+ block, RECOVERY_ID, REPLICA_LEN1);
+ }
+
+ /**
+ * BlockRecovery_02.13.
+ * Two replicas are RWR.
+ * @throws IOException in case of an error
+ */
+ @Test
+ public void testRWRReplicas() throws IOException {
+ LOG.debug("Running " + GenericTestUtils.getMethodName());
+ ReplicaRecoveryInfo replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN1, GEN_STAMP-1, ReplicaState.RWR);
+ ReplicaRecoveryInfo replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
+ REPLICA_LEN2, GEN_STAMP-2, ReplicaState.RWR);
+
+ InterDatanodeProtocol dn1 = mock(InterDatanodeProtocol.class);
+ InterDatanodeProtocol dn2 = mock(InterDatanodeProtocol.class);
+
+ testSyncReplicas(replica1, replica2, dn1, dn2);
+
+ long minLen = Math.min(REPLICA_LEN1, REPLICA_LEN2);
+ verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, minLen);
+ verify(dn2).updateReplicaUnderRecovery(block, RECOVERY_ID, minLen);
+ }
+}