| /** |
| * 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.namenode; |
| |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.Path; |
| 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.StripedFileTestUtil; |
| import org.apache.hadoop.hdfs.protocol.DatanodeID; |
| import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy; |
| import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoStriped; |
| import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager; |
| import org.apache.hadoop.hdfs.server.blockmanagement.NumberReplicas; |
| import org.apache.hadoop.hdfs.server.datanode.DataNode; |
| import org.apache.hadoop.test.GenericTestUtils; |
| import org.apache.hadoop.test.Whitebox; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.Timeout; |
| import org.mockito.Mockito; |
| |
| import com.google.common.base.Supplier; |
| |
| import java.io.IOException; |
| |
| public class TestAddStripedBlockInFBR { |
| private final ErasureCodingPolicy ecPolicy = |
| StripedFileTestUtil.getDefaultECPolicy(); |
| private final int cellSize = ecPolicy.getCellSize(); |
| private final short dataBlocks = (short) ecPolicy.getNumDataUnits(); |
| private final short parityBlocks = (short) ecPolicy.getNumParityUnits(); |
| private final short groupSize = (short) (dataBlocks + parityBlocks); |
| |
| private MiniDFSCluster cluster; |
| private DistributedFileSystem dfs; |
| |
| @Rule |
| public Timeout globalTimeout = new Timeout(300000); |
| |
| @Before |
| public void setup() throws IOException { |
| Configuration conf = new HdfsConfiguration(); |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(groupSize).build(); |
| cluster.waitActive(); |
| dfs = cluster.getFileSystem(); |
| dfs.enableErasureCodingPolicy( |
| StripedFileTestUtil.getDefaultECPolicy().getName()); |
| } |
| |
| @After |
| public void tearDown() { |
| if (cluster != null) { |
| cluster.shutdown(); |
| cluster = null; |
| } |
| } |
| |
| @Test |
| public void testAddBlockInFullBlockReport() throws Exception { |
| BlockManager spy = Mockito.spy(cluster.getNamesystem().getBlockManager()); |
| // let NN ignore one DataNode's IBR |
| final DataNode dn = cluster.getDataNodes().get(0); |
| final DatanodeID datanodeID = dn.getDatanodeId(); |
| Mockito.doNothing().when(spy) |
| .processIncrementalBlockReport(Mockito.eq(datanodeID), Mockito.any()); |
| Whitebox.setInternalState(cluster.getNamesystem(), "blockManager", spy); |
| |
| final Path ecDir = new Path("/ec"); |
| final Path repDir = new Path("/rep"); |
| dfs.mkdirs(ecDir); |
| dfs.mkdirs(repDir); |
| dfs.getClient().setErasureCodingPolicy(ecDir.toString(), |
| StripedFileTestUtil.getDefaultECPolicy().getName()); |
| |
| // create several non-EC files and one EC file |
| final Path[] repFiles = new Path[groupSize]; |
| for (int i = 0; i < groupSize; i++) { |
| repFiles[i] = new Path(repDir, "f" + i); |
| DFSTestUtil.createFile(dfs, repFiles[i], 1L, (short) 3, 0L); |
| } |
| final Path ecFile = new Path(ecDir, "f"); |
| DFSTestUtil.createFile(dfs, ecFile, |
| cellSize * dataBlocks, (short) 1, 0L); |
| |
| GenericTestUtils.waitFor(new Supplier<Boolean>() { |
| |
| @Override |
| public Boolean get() { |
| try { |
| // trigger dn's FBR. The FBR will add block-dn mapping. |
| cluster.triggerBlockReports(); |
| |
| // make sure NN has correct block-dn mapping |
| BlockInfoStriped blockInfo = (BlockInfoStriped) cluster |
| .getNamesystem().getFSDirectory().getINode(ecFile.toString()) |
| .asFile().getLastBlock(); |
| NumberReplicas nr = spy.countNodes(blockInfo); |
| |
| return nr.excessReplicas() == 0 && nr.liveReplicas() == groupSize; |
| } catch (Exception ignored) { |
| // Ignore the exception |
| } |
| |
| return false; |
| } |
| }, 3000, 60000); |
| } |
| } |