@BeforeClass public static void clusterSetupAtBegining() throws IOException, LoginException, URISyntaxException { SupportsBlocks = true; CONF.setBoolean(DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY, true); cluster = new MiniDFSCluster.Builder(CONF) .nnTopology(MiniDFSNNTopology.simpleFederatedTopology(2)) .numDataNodes(2) .build(); cluster.waitClusterUp(); fHdfs = cluster.getFileSystem(0); fHdfs2 = cluster.getFileSystem(1); fHdfs .getConf() .set(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY, FsConstants.VIEWFS_URI.toString()); fHdfs2 .getConf() .set(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY, FsConstants.VIEWFS_URI.toString()); defaultWorkingDirectory = fHdfs.makeQualified( new Path("/user/" + UserGroupInformation.getCurrentUser().getShortUserName())); defaultWorkingDirectory2 = fHdfs2.makeQualified( new Path("/user/" + UserGroupInformation.getCurrentUser().getShortUserName())); fHdfs.mkdirs(defaultWorkingDirectory); fHdfs2.mkdirs(defaultWorkingDirectory2); }
@BeforeClass public static void clusterSetupAtBeginning() throws IOException { cluster = new MiniDFSCluster.Builder(clusterConf) .nnTopology(MiniDFSNNTopology.simpleFederatedTopology(2)) .numDataNodes(2) .build(); cluster.waitClusterUp(); fHdfs = cluster.getFileSystem(0); fHdfs2 = cluster.getFileSystem(1); }
@Before public void setUp() throws IOException { conf = new HdfsConfiguration(); conf.setInt(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, 100); conf.setInt(DFSConfigKeys.DFS_BYTES_PER_CHECKSUM_KEY, 100); cluster = new MiniDFSCluster.Builder(conf) .nnTopology(MiniDFSNNTopology.simpleFederatedTopology(3)) .build(); for (int i = 0; i < 3; i++) { cluster.waitActive(i); } }