public virtual void Setup() { conf = new HdfsConfiguration(); SimulatedFSDataset.SetFactory(conf); Configuration[] overlays = new Configuration[NumDatanodes]; for (int i = 0; i < overlays.Length; i++) { overlays[i] = new Configuration(); if (i == RoNodeIndex) { overlays[i].SetEnum(SimulatedFSDataset.ConfigPropertyState, i == RoNodeIndex ? DatanodeStorage.State .ReadOnlyShared : DatanodeStorage.State.Normal); } } cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(NumDatanodes).DataNodeConfOverlays (overlays).Build(); fs = cluster.GetFileSystem(); blockManager = cluster.GetNameNode().GetNamesystem().GetBlockManager(); datanodeManager = blockManager.GetDatanodeManager(); client = new DFSClient(new IPEndPoint("localhost", cluster.GetNameNodePort()), cluster .GetConfiguration(0)); for (int i_1 = 0; i_1 < NumDatanodes; i_1++) { DataNode dataNode = cluster.GetDataNodes()[i_1]; ValidateStorageState(BlockManagerTestUtil.GetStorageReportsForDatanode(datanodeManager .GetDatanode(dataNode.GetDatanodeId())), i_1 == RoNodeIndex ? DatanodeStorage.State .ReadOnlyShared : DatanodeStorage.State.Normal); } // Create a 1 block file DFSTestUtil.CreateFile(fs, Path, BlockSize, BlockSize, BlockSize, (short)1, seed); LocatedBlock locatedBlock = GetLocatedBlock(); extendedBlock = locatedBlock.GetBlock(); block = extendedBlock.GetLocalBlock(); Assert.AssertThat(locatedBlock.GetLocations().Length, CoreMatchers.Is(1)); normalDataNode = locatedBlock.GetLocations()[0]; readOnlyDataNode = datanodeManager.GetDatanode(cluster.GetDataNodes()[RoNodeIndex ].GetDatanodeId()); Assert.AssertThat(normalDataNode, CoreMatchers.Is(CoreMatchers.Not(readOnlyDataNode ))); ValidateNumberReplicas(1); // Inject the block into the datanode with READ_ONLY_SHARED storage cluster.InjectBlocks(0, RoNodeIndex, Collections.Singleton(block)); // There should now be 2 *locations* for the block // Must wait until the NameNode has processed the block report for the injected blocks WaitForLocations(2); }
/// <exception cref="System.IO.IOException"/> public static HeartbeatResponse SendHeartBeat(DatanodeRegistration nodeReg, DatanodeDescriptor dd, FSNamesystem namesystem) { return(namesystem.HandleHeartbeat(nodeReg, BlockManagerTestUtil.GetStorageReportsForDatanode (dd), dd.GetCacheCapacity(), dd.GetCacheRemaining(), 0, 0, 0, null)); }