| /** |
| * 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 static org.junit.Assert.fail; |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Matchers.anyBoolean; |
| import static org.mockito.Matchers.anyListOf; |
| import static org.mockito.Matchers.anyLong; |
| import static org.mockito.Matchers.anyObject; |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.doThrow; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| 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.CommonConfigurationKeys; |
| import org.apache.hadoop.fs.FSDataOutputStream; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.FileUtil; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.ha.HAServiceProtocol.HAServiceState; |
| import org.apache.hadoop.hdfs.DFSConfigKeys; |
| import org.apache.hadoop.hdfs.DFSTestUtil; |
| import org.apache.hadoop.hdfs.DistributedFileSystem; |
| import org.apache.hadoop.hdfs.HdfsConfiguration; |
| import org.apache.hadoop.hdfs.MiniDFSCluster; |
| import org.apache.hadoop.hdfs.MiniDFSNNTopology; |
| import org.apache.hadoop.hdfs.protocol.DatanodeID; |
| import org.apache.hadoop.hdfs.protocol.DatanodeInfo; |
| import org.apache.hadoop.hdfs.protocol.ExtendedBlock; |
| import org.apache.hadoop.hdfs.protocol.LocatedBlock; |
| import org.apache.hadoop.hdfs.protocol.RecoveryInProgressException; |
| import org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolClientSideTranslatorPB; |
| import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.ReplicaState; |
| import org.apache.hadoop.hdfs.server.datanode.DataNode.BlockRecord; |
| import org.apache.hadoop.hdfs.server.datanode.fsdataset.ReplicaOutputStreams; |
| import org.apache.hadoop.hdfs.server.namenode.FSNamesystem; |
| import org.apache.hadoop.hdfs.server.protocol.BlockRecoveryCommand.RecoveringBlock; |
| 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.HeartbeatResponse; |
| import org.apache.hadoop.hdfs.server.protocol.InterDatanodeProtocol; |
| import org.apache.hadoop.hdfs.server.protocol.NNHAStatusHeartbeat; |
| import org.apache.hadoop.hdfs.server.protocol.NamespaceInfo; |
| import org.apache.hadoop.hdfs.server.protocol.ReplicaRecoveryInfo; |
| import org.apache.hadoop.hdfs.server.protocol.StorageReport; |
| import org.apache.hadoop.test.GenericTestUtils; |
| import org.apache.hadoop.util.Daemon; |
| import org.apache.hadoop.util.DataChecksum; |
| import org.apache.log4j.Level; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| import org.mockito.invocation.InvocationOnMock; |
| import org.mockito.stubbing.Answer; |
| |
| /** |
| * 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 String CLUSTER_ID = "testClusterID"; |
| private final static String POOL_ID = "BP-TEST"; |
| private final static InetSocketAddress NN_ADDR = new InetSocketAddress( |
| "localhost", 5020); |
| 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 ExtendedBlock block = new ExtendedBlock(POOL_ID, |
| BLOCK_ID, BLOCK_LEN, GEN_STAMP); |
| |
| static { |
| ((Log4JLogger)LogFactory.getLog(FSNamesystem.class)).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); |
| conf.set(DFSConfigKeys.DFS_DATANODE_ADDRESS_KEY, "0.0.0.0:0"); |
| conf.set(DFSConfigKeys.DFS_DATANODE_HTTP_ADDRESS_KEY, "0.0.0.0:0"); |
| conf.set(DFSConfigKeys.DFS_DATANODE_IPC_ADDRESS_KEY, "0.0.0.0:0"); |
| conf.setInt(CommonConfigurationKeys.IPC_CLIENT_CONNECT_MAX_RETRIES_KEY, 0); |
| FileSystem.setDefaultUri(conf, |
| "hdfs://" + NN_ADDR.getHostName() + ":" + NN_ADDR.getPort()); |
| ArrayList<File> dirs = new ArrayList<File>(); |
| File dataDir = new File(DATA_DIR); |
| FileUtil.fullyDelete(dataDir); |
| dataDir.mkdirs(); |
| dirs.add(dataDir); |
| final DatanodeProtocolClientSideTranslatorPB namenode = |
| mock(DatanodeProtocolClientSideTranslatorPB.class); |
| |
| Mockito.doAnswer(new Answer<DatanodeRegistration>() { |
| @Override |
| public DatanodeRegistration answer(InvocationOnMock invocation) |
| throws Throwable { |
| return (DatanodeRegistration) invocation.getArguments()[0]; |
| } |
| }).when(namenode).registerDatanode( |
| Mockito.any(DatanodeRegistration.class)); |
| |
| when(namenode.versionRequest()).thenReturn(new NamespaceInfo |
| (1, CLUSTER_ID, POOL_ID, 1L)); |
| |
| when(namenode.sendHeartbeat( |
| Mockito.any(DatanodeRegistration.class), |
| Mockito.any(StorageReport[].class), |
| Mockito.anyInt(), |
| Mockito.anyInt(), |
| Mockito.anyInt())) |
| .thenReturn(new HeartbeatResponse( |
| new DatanodeCommand[0], |
| new NNHAStatusHeartbeat(HAServiceState.ACTIVE, 1))); |
| |
| dn = new DataNode(conf, dirs, null) { |
| @Override |
| DatanodeProtocolClientSideTranslatorPB connectToNN( |
| InetSocketAddress nnAddr) throws IOException { |
| Assert.assertEquals(NN_ADDR, nnAddr); |
| return namenode; |
| } |
| }; |
| // Trigger a heartbeat so that it acknowledges the NN as active. |
| dn.getAllBpOs()[0].triggerHeartbeatForTests(); |
| } |
| |
| /** |
| * 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, |
| long expectLen) 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( |
| DFSTestUtil.getDatanodeInfo("1.2.3.4", "bogus", 1234), dn1, replica1); |
| BlockRecord record2 = new BlockRecord( |
| DFSTestUtil.getDatanodeInfo("1.2.3.4", "bogus", 1234), dn2, replica2); |
| syncList.add(record1); |
| syncList.add(record2); |
| |
| when(dn1.updateReplicaUnderRecovery((ExtendedBlock)anyObject(), anyLong(), |
| anyLong())).thenReturn("storage1"); |
| when(dn2.updateReplicaUnderRecovery((ExtendedBlock)anyObject(), anyLong(), |
| anyLong())).thenReturn("storage2"); |
| 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 { |
| if(LOG.isDebugEnabled()) { |
| 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, REPLICA_LEN1); |
| 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, REPLICA_LEN1); |
| 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 { |
| if(LOG.isDebugEnabled()) { |
| 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, REPLICA_LEN1); |
| 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, REPLICA_LEN1); |
| 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 { |
| if(LOG.isDebugEnabled()) { |
| 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, REPLICA_LEN1); |
| 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, REPLICA_LEN1); |
| 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 { |
| if(LOG.isDebugEnabled()) { |
| 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); |
| |
| long minLen = Math.min(REPLICA_LEN1, REPLICA_LEN2); |
| testSyncReplicas(replica1, replica2, dn1, dn2, minLen); |
| 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 { |
| if(LOG.isDebugEnabled()) { |
| 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, REPLICA_LEN1); |
| 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 { |
| if(LOG.isDebugEnabled()) { |
| 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); |
| |
| long minLen = Math.min(REPLICA_LEN1, REPLICA_LEN2); |
| testSyncReplicas(replica1, replica2, dn1, dn2, minLen); |
| |
| verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, minLen); |
| verify(dn2).updateReplicaUnderRecovery(block, RECOVERY_ID, minLen); |
| } |
| |
| private Collection<RecoveringBlock> initRecoveringBlocks() throws IOException { |
| Collection<RecoveringBlock> blocks = new ArrayList<RecoveringBlock>(1); |
| DatanodeInfo mockOtherDN = DFSTestUtil.getLocalDatanodeInfo(); |
| DatanodeInfo[] locs = new DatanodeInfo[] { |
| new DatanodeInfo(dn.getDNRegistrationForBP(block.getBlockPoolId())), |
| mockOtherDN }; |
| RecoveringBlock rBlock = new RecoveringBlock(block, locs, RECOVERY_ID); |
| blocks.add(rBlock); |
| return blocks; |
| } |
| /** |
| * BlockRecoveryFI_05. One DN throws RecoveryInProgressException. |
| * |
| * @throws IOException |
| * in case of an error |
| */ |
| @Test |
| public void testRecoveryInProgressException() |
| throws IOException, InterruptedException { |
| if(LOG.isDebugEnabled()) { |
| LOG.debug("Running " + GenericTestUtils.getMethodName()); |
| } |
| DataNode spyDN = spy(dn); |
| doThrow(new RecoveryInProgressException("Replica recovery is in progress")). |
| when(spyDN).initReplicaRecovery(any(RecoveringBlock.class)); |
| Daemon d = spyDN.recoverBlocks("fake NN", initRecoveringBlocks()); |
| d.join(); |
| verify(spyDN, never()).syncBlock( |
| any(RecoveringBlock.class), anyListOf(BlockRecord.class)); |
| } |
| |
| /** |
| * BlockRecoveryFI_06. all datanodes throws an exception. |
| * |
| * @throws IOException |
| * in case of an error |
| */ |
| @Test |
| public void testErrorReplicas() throws IOException, InterruptedException { |
| if(LOG.isDebugEnabled()) { |
| LOG.debug("Running " + GenericTestUtils.getMethodName()); |
| } |
| DataNode spyDN = spy(dn); |
| doThrow(new IOException()). |
| when(spyDN).initReplicaRecovery(any(RecoveringBlock.class)); |
| Daemon d = spyDN.recoverBlocks("fake NN", initRecoveringBlocks()); |
| d.join(); |
| verify(spyDN, never()).syncBlock( |
| any(RecoveringBlock.class), anyListOf(BlockRecord.class)); |
| } |
| |
| /** |
| * BlockRecoveryFI_07. max replica length from all DNs is zero. |
| * |
| * @throws IOException in case of an error |
| */ |
| @Test |
| public void testZeroLenReplicas() throws IOException, InterruptedException { |
| if(LOG.isDebugEnabled()) { |
| LOG.debug("Running " + GenericTestUtils.getMethodName()); |
| } |
| DataNode spyDN = spy(dn); |
| doReturn(new ReplicaRecoveryInfo(block.getBlockId(), 0, |
| block.getGenerationStamp(), ReplicaState.FINALIZED)).when(spyDN). |
| initReplicaRecovery(any(RecoveringBlock.class)); |
| Daemon d = spyDN.recoverBlocks("fake NN", initRecoveringBlocks()); |
| d.join(); |
| DatanodeProtocol dnP = dn.getActiveNamenodeForBP(POOL_ID); |
| verify(dnP).commitBlockSynchronization( |
| block, RECOVERY_ID, 0, true, true, DatanodeID.EMPTY_ARRAY, null); |
| } |
| |
| private List<BlockRecord> initBlockRecords(DataNode spyDN) throws IOException { |
| List<BlockRecord> blocks = new ArrayList<BlockRecord>(1); |
| DatanodeRegistration dnR = dn.getDNRegistrationForBP(block.getBlockPoolId()); |
| BlockRecord blockRecord = new BlockRecord( |
| new DatanodeID(dnR), spyDN, |
| new ReplicaRecoveryInfo(block.getBlockId(), block.getNumBytes(), |
| block.getGenerationStamp(), ReplicaState.FINALIZED)); |
| blocks.add(blockRecord); |
| return blocks; |
| } |
| |
| private final static RecoveringBlock rBlock = |
| new RecoveringBlock(block, null, RECOVERY_ID); |
| |
| /** |
| * BlockRecoveryFI_09. some/all DNs failed to update replicas. |
| * |
| * @throws IOException in case of an error |
| */ |
| @Test |
| public void testFailedReplicaUpdate() throws IOException { |
| if(LOG.isDebugEnabled()) { |
| LOG.debug("Running " + GenericTestUtils.getMethodName()); |
| } |
| DataNode spyDN = spy(dn); |
| doThrow(new IOException()).when(spyDN).updateReplicaUnderRecovery( |
| block, RECOVERY_ID, block.getNumBytes()); |
| try { |
| spyDN.syncBlock(rBlock, initBlockRecords(spyDN)); |
| fail("Sync should fail"); |
| } catch (IOException e) { |
| e.getMessage().startsWith("Cannot recover "); |
| } |
| } |
| |
| /** |
| * BlockRecoveryFI_10. DN has no ReplicaUnderRecovery. |
| * |
| * @throws IOException in case of an error |
| */ |
| @Test |
| public void testNoReplicaUnderRecovery() throws IOException { |
| if(LOG.isDebugEnabled()) { |
| LOG.debug("Running " + GenericTestUtils.getMethodName()); |
| } |
| dn.data.createRbw(block); |
| try { |
| dn.syncBlock(rBlock, initBlockRecords(dn)); |
| fail("Sync should fail"); |
| } catch (IOException e) { |
| e.getMessage().startsWith("Cannot recover "); |
| } |
| DatanodeProtocol namenode = dn.getActiveNamenodeForBP(POOL_ID); |
| verify(namenode, never()).commitBlockSynchronization( |
| any(ExtendedBlock.class), anyLong(), anyLong(), anyBoolean(), |
| anyBoolean(), any(DatanodeID[].class), any(String[].class)); |
| } |
| |
| /** |
| * BlockRecoveryFI_11. a replica's recovery id does not match new GS. |
| * |
| * @throws IOException in case of an error |
| */ |
| @Test |
| public void testNotMatchedReplicaID() throws IOException { |
| if(LOG.isDebugEnabled()) { |
| LOG.debug("Running " + GenericTestUtils.getMethodName()); |
| } |
| ReplicaInPipelineInterface replicaInfo = dn.data.createRbw(block); |
| ReplicaOutputStreams streams = null; |
| try { |
| streams = replicaInfo.createStreams(true, |
| DataChecksum.newDataChecksum(DataChecksum.Type.CRC32, 512)); |
| streams.getChecksumOut().write('a'); |
| dn.data.initReplicaRecovery(new RecoveringBlock(block, null, RECOVERY_ID+1)); |
| try { |
| dn.syncBlock(rBlock, initBlockRecords(dn)); |
| fail("Sync should fail"); |
| } catch (IOException e) { |
| e.getMessage().startsWith("Cannot recover "); |
| } |
| DatanodeProtocol namenode = dn.getActiveNamenodeForBP(POOL_ID); |
| verify(namenode, never()).commitBlockSynchronization( |
| any(ExtendedBlock.class), anyLong(), anyLong(), anyBoolean(), |
| anyBoolean(), any(DatanodeID[].class), any(String[].class)); |
| } finally { |
| streams.close(); |
| } |
| } |
| |
| /** |
| * Test to verify the race between finalizeBlock and Lease recovery |
| * |
| * @throws Exception |
| */ |
| @Test(timeout = 20000) |
| public void testRaceBetweenReplicaRecoveryAndFinalizeBlock() throws Exception { |
| tearDown();// Stop the Mocked DN started in startup() |
| |
| Configuration conf = new HdfsConfiguration(); |
| MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf) |
| .nnTopology(MiniDFSNNTopology.simpleSingleNN(8020, 50070)) |
| .numDataNodes(1).build(); |
| try { |
| cluster.waitClusterUp(); |
| DistributedFileSystem fs = cluster.getFileSystem(); |
| Path path = new Path("/test"); |
| FSDataOutputStream out = fs.create(path); |
| out.writeBytes("data"); |
| out.hsync(); |
| |
| List<LocatedBlock> blocks = DFSTestUtil.getAllBlocks(fs.open(path)); |
| final LocatedBlock block = blocks.get(0); |
| final DataNode dataNode = cluster.getDataNodes().get(0); |
| |
| final AtomicBoolean recoveryInitResult = new AtomicBoolean(true); |
| Thread recoveryThread = new Thread() { |
| @Override |
| public void run() { |
| try { |
| DatanodeInfo[] locations = block.getLocations(); |
| final RecoveringBlock recoveringBlock = new RecoveringBlock( |
| block.getBlock(), locations, block.getBlock() |
| .getGenerationStamp() + 1); |
| synchronized (dataNode.data) { |
| Thread.sleep(2000); |
| dataNode.initReplicaRecovery(recoveringBlock); |
| } |
| } catch (Exception e) { |
| recoveryInitResult.set(false); |
| } |
| } |
| }; |
| recoveryThread.start(); |
| try { |
| out.close(); |
| } catch (IOException e) { |
| Assert.assertTrue("Writing should fail", |
| e.getMessage().contains("are bad. Aborting...")); |
| } finally { |
| recoveryThread.join(); |
| } |
| Assert.assertTrue("Recovery should be initiated successfully", |
| recoveryInitResult.get()); |
| |
| dataNode.updateReplicaUnderRecovery(block.getBlock(), block.getBlock() |
| .getGenerationStamp() + 1, block.getBlockSize()); |
| } finally { |
| if (null != cluster) { |
| cluster.shutdown(); |
| cluster = null; |
| } |
| } |
| } |
| } |
