/*
* This test attempts to upgrade the datanode from federation
* version -35 to upper version
* This test is for non-federation cluster with single namenode
*/
public void testNonFederationClusterUpgradeAfterFederationVersion() throws Exception {
File[] baseDirs;
UpgradeUtilities.initialize();
for (int numDirs = 1; numDirs <= 2; numDirs++) {
conf = new Configuration();
conf.setInt("dfs.datanode.scan.period.hours", -1);
conf = UpgradeUtilities.initializeStorageStateConf(numDirs, conf);
String[] nameNodeDirs = conf.getStrings("dfs.name.dir");
String[] dataNodeDirs = conf.getStrings("dfs.data.dir");
log("DataNode upgrade with federation layout version in current", numDirs);
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
try {
cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE);
baseDirs = UpgradeUtilities.createStorageDirs(DATA_NODE, dataNodeDirs, "current");
UpgradeUtilities.createVersionFile(
DATA_NODE,
baseDirs,
new StorageInfo(
FSConstants.FEDERATION_VERSION,
UpgradeUtilities.getCurrentNamespaceID(cluster),
UpgradeUtilities.getCurrentFsscTime(cluster)),
cluster.getNameNode().getNamespaceID());
cluster.startDataNodes(conf, 1, false, StartupOption.REGULAR, null);
checkResult(DATA_NODE, dataNodeDirs, 0, false);
} finally {
if (cluster != null) cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
UpgradeUtilities.createEmptyDirs(dataNodeDirs);
}
}
}
/** Test the updation of NeededReplications for the Appended Block */
@Test(timeout = 60000)
public void testUpdateNeededReplicationsForAppendedFile() throws Exception {
Configuration conf = new Configuration();
MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build();
DistributedFileSystem fileSystem = null;
try {
// create a file.
fileSystem = cluster.getFileSystem();
Path f = new Path("/testAppend");
FSDataOutputStream create = fileSystem.create(f, (short) 2);
create.write("/testAppend".getBytes());
create.close();
// Append to the file.
FSDataOutputStream append = fileSystem.append(f);
append.write("/testAppend".getBytes());
append.close();
// Start a new datanode
cluster.startDataNodes(conf, 1, true, null, null);
// Check for replications
DFSTestUtil.waitReplication(fileSystem, f, (short) 2);
} finally {
if (null != fileSystem) {
fileSystem.close();
}
cluster.shutdown();
}
}
/**
* Attempts to start a DataNode with the given operation. Starting the DataNode should throw an
* exception.
*/
void startDataNodeShouldFail(StartupOption operation) {
try {
cluster.startDataNodes(conf, 1, false, operation, null); // should fail
throw new AssertionError("DataNode should have failed to start");
} catch (Exception expected) {
// expected
assertFalse(cluster.isDataNodeUp());
}
}
/*
* This test attempts to upgrade the datanode from federation version -35 to
* upper version This test is for federation cluster with 2 namenodes. It
* changes the layout version and ctime.
*/
public void testFederationClusterUpgradeAfterFederationVersionWithCTimeChange() throws Exception {
File[] baseDirs;
Configuration baseConf = new Configuration();
UpgradeUtilities.initialize(2, baseConf, true);
for (int numDirs = 1; numDirs <= 2; numDirs++) {
conf = new Configuration();
conf.setInt("dfs.datanode.scan.period.hours", -1);
conf = UpgradeUtilities.initializeStorageStateConf(numDirs, conf);
String[] nameNodeDirs = conf.getStrings("dfs.name.dir");
String[] dataNodeDirs = conf.getStrings("dfs.data.dir");
log("DataNode upgrade with federation layout version in current and ctime change", numDirs);
UpgradeUtilities.createFederatedNameNodeStorageDirs(nameNodeDirs);
conf.set(
FSConstants.DFS_FEDERATION_NAMESERVICES,
baseConf.get(FSConstants.DFS_FEDERATION_NAMESERVICES));
try {
cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE, false, 2);
baseDirs = UpgradeUtilities.createStorageDirs(DATA_NODE, dataNodeDirs, "current");
for (int i = 0; i < 2; i++) {
UpgradeUtilities.createVersionFile(
DATA_NODE,
baseDirs,
new StorageInfo(
FSConstants.FEDERATION_VERSION,
cluster.getNameNode(i).getNamespaceID(),
cluster.getNameNode(i).versionRequest().getCTime() - 1),
cluster.getNameNode(i).getNamespaceID());
}
cluster.startDataNodes(conf, 1, false, StartupOption.REGULAR, null);
for (int i = 0; i < 2; i++) {
checkResult(DATA_NODE, dataNodeDirs, i, false);
}
} finally {
if (cluster != null) cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
UpgradeUtilities.createEmptyDirs(dataNodeDirs);
}
}
}
/**
* This test attempts to upgrade the NameNode and DataNode under a number of valid and invalid
* conditions.
*/
public void testUpgrade() throws Exception {
File[] baseDirs;
UpgradeUtilities.initialize();
for (int numDirs = 1; numDirs <= 2; numDirs++) {
conf = new Configuration();
conf.setInt("dfs.datanode.scan.period.hours", -1);
conf = UpgradeUtilities.initializeStorageStateConf(numDirs, conf);
String[] nameNodeDirs = conf.getStrings("dfs.name.dir");
String[] dataNodeDirs = conf.getStrings("dfs.data.dir");
log("Normal NameNode upgrade", numDirs);
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE);
checkResult(NAME_NODE, nameNodeDirs);
cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
log("Normal DataNode upgrade", numDirs);
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE);
UpgradeUtilities.createStorageDirs(DATA_NODE, dataNodeDirs, "current");
cluster.startDataNodes(conf, 1, false, StartupOption.REGULAR, null);
checkResult(DATA_NODE, dataNodeDirs);
cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
UpgradeUtilities.createEmptyDirs(dataNodeDirs);
log("NameNode upgrade with existing previous dir", numDirs);
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "previous");
startNameNodeShouldFail(StartupOption.UPGRADE);
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
log("DataNode upgrade with existing previous dir", numDirs);
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE);
UpgradeUtilities.createStorageDirs(DATA_NODE, dataNodeDirs, "current");
UpgradeUtilities.createStorageDirs(DATA_NODE, dataNodeDirs, "previous");
startDataNodeShouldFail(StartupOption.REGULAR);
cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
UpgradeUtilities.createEmptyDirs(dataNodeDirs);
log("DataNode upgrade with future stored layout version in current", numDirs);
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE);
baseDirs = UpgradeUtilities.createStorageDirs(DATA_NODE, dataNodeDirs, "current");
UpgradeUtilities.createVersionFile(
DATA_NODE,
baseDirs,
new StorageInfo(
Integer.MIN_VALUE,
UpgradeUtilities.getCurrentNamespaceID(cluster),
UpgradeUtilities.getCurrentFsscTime(cluster)),
cluster.getNameNode().getNamespaceID());
startDataNodeShouldFail(StartupOption.REGULAR);
cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
UpgradeUtilities.createEmptyDirs(dataNodeDirs);
log("DataNode upgrade with newer fsscTime in current", numDirs);
UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE);
baseDirs = UpgradeUtilities.createStorageDirs(DATA_NODE, dataNodeDirs, "current");
UpgradeUtilities.createVersionFile(
DATA_NODE,
baseDirs,
new StorageInfo(
UpgradeUtilities.getCurrentLayoutVersion(),
UpgradeUtilities.getCurrentNamespaceID(cluster),
Long.MAX_VALUE),
cluster.getNameNode().getNamespaceID());
startDataNodeShouldFail(StartupOption.REGULAR);
cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
UpgradeUtilities.createEmptyDirs(dataNodeDirs);
log("NameNode upgrade with no edits file", numDirs);
baseDirs = UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
for (File f : baseDirs) {
FileUtil.fullyDelete(new File(f, "edits"));
}
startNameNodeShouldFail(StartupOption.UPGRADE);
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
log("NameNode upgrade with no image file", numDirs);
baseDirs = UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
for (File f : baseDirs) {
FileUtil.fullyDelete(new File(f, "fsimage"));
}
startNameNodeShouldFail(StartupOption.UPGRADE);
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
log("NameNode upgrade with corrupt version file", numDirs);
baseDirs = UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
for (File f : baseDirs) {
UpgradeUtilities.corruptFile(new File(f, "VERSION"));
}
startNameNodeShouldFail(StartupOption.UPGRADE);
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
log("NameNode upgrade with old layout version in current", numDirs);
baseDirs = UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
UpgradeUtilities.createVersionFile(
NAME_NODE,
baseDirs,
new StorageInfo(
Storage.LAST_UPGRADABLE_LAYOUT_VERSION + 1,
UpgradeUtilities.getCurrentNamespaceID(null),
UpgradeUtilities.getCurrentFsscTime(null)),
0);
startNameNodeShouldFail(StartupOption.UPGRADE);
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
log("NameNode upgrade with future layout version in current", numDirs);
baseDirs = UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
UpgradeUtilities.createVersionFile(
NAME_NODE,
baseDirs,
new StorageInfo(
Integer.MIN_VALUE,
UpgradeUtilities.getCurrentNamespaceID(null),
UpgradeUtilities.getCurrentFsscTime(null)),
0);
startNameNodeShouldFail(StartupOption.UPGRADE);
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
log("Normal Datanode upgrade after datanode format", numDirs);
UpgradeUtilities.createEmptyDirs(dataNodeDirs);
baseDirs = UpgradeUtilities.createStorageDirs(NAME_NODE, nameNodeDirs, "current");
UpgradeUtilities.createVersionFile(
NAME_NODE,
baseDirs,
new StorageInfo(
FSConstants.LAYOUT_VERSION, UpgradeUtilities.getCurrentNamespaceID(null), 0),
0);
cluster =
new MiniDFSCluster(
0,
conf,
1,
false,
false,
false,
StartupOption.UPGRADE,
null,
null,
null,
false,
false,
1,
false);
cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
} // end numDir loop
}
public void testFederationClusterUpgradeAfterFederationVersionWithTopLevelLayout()
throws Exception {
File[] baseDirs;
Configuration baseConf = new Configuration();
UpgradeUtilities.initialize(2, baseConf, true);
for (int numDirs = 1; numDirs <= 2; numDirs++) {
conf = new Configuration();
conf.setInt("dfs.datanode.scan.period.hours", -1);
conf = UpgradeUtilities.initializeStorageStateConf(numDirs, conf);
String[] nameNodeDirs = conf.getStrings("dfs.name.dir");
String[] dataNodeDirs = conf.getStrings("dfs.data.dir");
log(
"DataNode upgrade with federation layout version in current and no ns level layout version",
numDirs);
UpgradeUtilities.createFederatedNameNodeStorageDirs(nameNodeDirs);
conf.set(
FSConstants.DFS_FEDERATION_NAMESERVICES,
baseConf.get(FSConstants.DFS_FEDERATION_NAMESERVICES));
try {
cluster = new MiniDFSCluster(conf, 0, StartupOption.UPGRADE, false, 2);
baseDirs = UpgradeUtilities.createStorageDirs(DATA_NODE, dataNodeDirs, "current");
for (int i = 0; i < 2; i++) {
UpgradeUtilities.createVersionFile(
DATA_NODE,
baseDirs,
new StorageInfo(
FSConstants.FEDERATION_VERSION,
cluster.getNameNode(i).getNamespaceID(),
cluster.getNameNode(i).versionRequest().getCTime()),
cluster.getNameNode(i).getNamespaceID(),
false);
}
cluster.startDataNodes(conf, 1, false, StartupOption.REGULAR, null);
for (int i = 0; i < 2; i++) {
checkResult(DATA_NODE, dataNodeDirs, i, false);
}
// Finalize upgrade.
for (int i = 0; i < 2; i++) {
cluster.getNameNode(i).finalizeUpgrade();
}
cluster.restartDataNodes();
// Wait for datanodes to finalize.
Thread.sleep(10000);
for (int nnIndex = 0; nnIndex < 2; nnIndex++) {
for (int i = 0; i < dataNodeDirs.length; i++) {
File nsBaseDir =
NameSpaceSliceStorage.getNsRoot(
cluster.getNameNode(nnIndex).getNamespaceID(),
new File(dataNodeDirs[i], "current"));
assertFalse(new File(nsBaseDir, "previous").exists());
}
}
} finally {
if (cluster != null) cluster.shutdown();
UpgradeUtilities.createEmptyDirs(nameNodeDirs);
UpgradeUtilities.createEmptyDirs(dataNodeDirs);
}
}
}
public static void main(String[] args) {
int numDataNodes = 0;
int numRacks = 0;
boolean inject = false;
long startingBlockId = 1;
int numBlocksPerDNtoInject = 0;
int replication = 1;
Configuration conf = new HdfsConfiguration();
for (int i = 0; i < args.length; i++) { // parse command line
if (args[i].equals("-n")) {
if (++i >= args.length || args[i].startsWith("-")) {
printUsageExit("missing number of nodes");
}
numDataNodes = Integer.parseInt(args[i]);
} else if (args[i].equals("-racks")) {
if (++i >= args.length || args[i].startsWith("-")) {
printUsageExit("Missing number of racks");
}
numRacks = Integer.parseInt(args[i]);
} else if (args[i].equals("-r")) {
if (++i >= args.length || args[i].startsWith("-")) {
printUsageExit("Missing replicaiton factor");
}
replication = Integer.parseInt(args[i]);
} else if (args[i].equals("-d")) {
if (++i >= args.length || args[i].startsWith("-")) {
printUsageExit("Missing datanode dirs parameter");
}
dataNodeDirs = args[i];
} else if (args[i].equals("-simulated")) {
conf.setBoolean(SimulatedFSDataset.CONFIG_PROPERTY_SIMULATED, true);
} else if (args[i].equals("-inject")) {
if (!conf.getBoolean(SimulatedFSDataset.CONFIG_PROPERTY_SIMULATED, false)) {
System.out.print("-inject is valid only for simulated");
printUsageExit();
}
inject = true;
if (++i >= args.length || args[i].startsWith("-")) {
printUsageExit("Missing starting block and number of blocks per DN to inject");
}
startingBlockId = Integer.parseInt(args[i]);
if (++i >= args.length || args[i].startsWith("-")) {
printUsageExit("Missing number of blocks to inject");
}
numBlocksPerDNtoInject = Integer.parseInt(args[i]);
} else {
printUsageExit();
}
}
if (numDataNodes <= 0 || replication <= 0) {
printUsageExit("numDataNodes and replication have to be greater than zero");
}
if (replication > numDataNodes) {
printUsageExit("Replication must be less than or equal to numDataNodes");
}
String nameNodeAdr = FileSystem.getDefaultUri(conf).getAuthority();
if (nameNodeAdr == null) {
System.out.println("No name node address and port in config");
System.exit(-1);
}
boolean simulated = conf.getBoolean(SimulatedFSDataset.CONFIG_PROPERTY_SIMULATED, false);
System.out.println(
"Starting "
+ numDataNodes
+ (simulated ? " Simulated " : " ")
+ " Data Nodes that will connect to Name Node at "
+ nameNodeAdr);
System.setProperty("test.build.data", dataNodeDirs);
MiniDFSCluster mc = new MiniDFSCluster();
try {
mc.formatDataNodeDirs();
} catch (IOException e) {
System.out.println("Error formating data node dirs:" + e);
}
String[] rack4DataNode = null;
if (numRacks > 0) {
System.out.println("Using " + numRacks + " racks: ");
String rackPrefix = getUniqueRackPrefix();
rack4DataNode = new String[numDataNodes];
for (int i = 0; i < numDataNodes; ++i) {
// rack4DataNode[i] = racks[i%numRacks];
rack4DataNode[i] = rackPrefix + "-" + i % numRacks;
System.out.println("Data Node " + i + " using " + rack4DataNode[i]);
}
}
try {
mc.startDataNodes(conf, numDataNodes, true, StartupOption.REGULAR, rack4DataNode);
if (inject) {
long blockSize = 10;
System.out.println(
"Injecting "
+ numBlocksPerDNtoInject
+ " blocks in each DN starting at blockId "
+ startingBlockId
+ " with blocksize of "
+ blockSize);
Block[] blocks = new Block[numBlocksPerDNtoInject];
long blkid = startingBlockId;
for (int i_dn = 0; i_dn < numDataNodes; ++i_dn) {
for (int i = 0; i < blocks.length; ++i) {
blocks[i] = new Block(blkid++, blockSize, CreateEditsLog.BLOCK_GENERATION_STAMP);
}
for (int i = 1; i <= replication; ++i) {
// inject blocks for dn_i into dn_i and replica in dn_i's neighbors
mc.injectBlocks((i_dn + i - 1) % numDataNodes, Arrays.asList(blocks));
System.out.println(
"Injecting blocks of dn " + i_dn + " into dn" + ((i_dn + i - 1) % numDataNodes));
}
}
System.out.println("Created blocks from Bids " + startingBlockId + " to " + (blkid - 1));
}
} catch (IOException e) {
System.out.println("Error creating data node:" + e);
}
}
/** Test replace datanode on failure. */
@Test
public void testReplaceDatanodeOnFailure() throws Exception {
final Configuration conf = new HdfsConfiguration();
// do not consider load factor when selecting a data node
conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_REPLICATION_CONSIDERLOAD_KEY, false);
// always replace a datanode
ReplaceDatanodeOnFailure.write(Policy.ALWAYS, true, conf);
final String[] racks = new String[REPLICATION];
Arrays.fill(racks, RACK0);
final MiniDFSCluster cluster =
new MiniDFSCluster.Builder(conf).racks(racks).numDataNodes(REPLICATION).build();
try {
cluster.waitActive();
final DistributedFileSystem fs = cluster.getFileSystem();
final Path dir = new Path(DIR);
final int NUM_WRITERS = 10;
final int FIRST_BATCH = 5;
final SlowWriter[] slowwriters = new SlowWriter[NUM_WRITERS];
for (int i = 1; i <= slowwriters.length; i++) {
// create slow writers in different speed
slowwriters[i - 1] = new SlowWriter(fs, new Path(dir, "file" + i), i * 200L);
}
for (int i = 0; i < FIRST_BATCH; i++) {
slowwriters[i].start();
}
// Let slow writers write something.
// Some of them are too slow and will be not yet started.
sleepSeconds(3);
// start new datanodes
cluster.startDataNodes(conf, 2, true, null, new String[] {RACK1, RACK1});
cluster.waitActive();
// wait for first block reports for up to 10 seconds
cluster.waitFirstBRCompleted(0, 10000);
// stop an old datanode
MiniDFSCluster.DataNodeProperties dnprop =
cluster.stopDataNode(AppendTestUtil.nextInt(REPLICATION));
for (int i = FIRST_BATCH; i < slowwriters.length; i++) {
slowwriters[i].start();
}
waitForBlockReplication(slowwriters);
// check replication and interrupt.
for (SlowWriter s : slowwriters) {
s.checkReplication();
s.interruptRunning();
}
// close files
for (SlowWriter s : slowwriters) {
s.joinAndClose();
}
// Verify the file
LOG.info("Verify the file");
for (int i = 0; i < slowwriters.length; i++) {
LOG.info(
slowwriters[i].filepath
+ ": length="
+ fs.getFileStatus(slowwriters[i].filepath).getLen());
FSDataInputStream in = null;
try {
in = fs.open(slowwriters[i].filepath);
for (int j = 0, x; (x = in.read()) != -1; j++) {
Assert.assertEquals(j, x);
}
} finally {
IOUtils.closeStream(in);
}
}
} finally {
if (cluster != null) {
cluster.shutdown();
}
}
}
/**
* Test the case that a replica is reported corrupt while it is not in blocksMap. Make sure that
* ArrayIndexOutOfBounds does not thrown. See Hadoop-4351.
*
* <p>TODO HOPS This test fails as it tries to remove a non-existing replica. Calling
* findAndMarkBlockAsCorrupt from a DataNode that does not store any replica for this specific
* block will lead to a tuple did not exist exception. The reason for this is that
* BlockManager.removeStoredBlock is called with a node that does not store a replica and hence
* the delete will not be able to succeed during commit.
*/
@Test
public void testArrayOutOfBoundsException() throws Exception {
MiniDFSCluster cluster = null;
try {
Configuration conf = new HdfsConfiguration();
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(2).build();
cluster.waitActive();
FileSystem fs = cluster.getFileSystem();
final Path FILE_PATH = new Path("/tmp.txt");
final long FILE_LEN = 1L;
DFSTestUtil.createFile(fs, FILE_PATH, FILE_LEN, (short) 2, 1L);
// get the block
final String bpid = cluster.getNamesystem().getBlockPoolId();
File storageDir = cluster.getInstanceStorageDir(0, 0);
File dataDir = MiniDFSCluster.getFinalizedDir(storageDir, bpid);
assertTrue("Data directory does not exist", dataDir.exists());
ExtendedBlock blk = getBlock(bpid, dataDir);
if (blk == null) {
storageDir = cluster.getInstanceStorageDir(0, 1);
dataDir = MiniDFSCluster.getFinalizedDir(storageDir, bpid);
blk = getBlock(bpid, dataDir);
}
assertFalse(
"Data directory does not contain any blocks or there was an " + "IO error", blk == null);
// start a third datanode
cluster.startDataNodes(conf, 1, true, null, null);
ArrayList<DataNode> datanodes = cluster.getDataNodes();
assertEquals(datanodes.size(), 3);
DataNode dataNode = datanodes.get(2);
// report corrupted block by the third datanode
DatanodeRegistration dnR =
DataNodeTestUtils.getDNRegistrationForBP(dataNode, blk.getBlockPoolId());
// Get the storage id of one of the storages on the datanode
String storageId =
cluster
.getNamesystem()
.getBlockManager()
.getDatanodeManager()
.getDatanode(dataNode.getDatanodeId())
.getStorageInfos()[0]
.getStorageID();
cluster
.getNamesystem()
.getBlockManager()
.findAndMarkBlockAsCorrupt(blk, new DatanodeInfo(dnR), storageId, "some test reason");
// open the file
fs.open(FILE_PATH);
// clean up
fs.delete(FILE_PATH, false);
} finally {
if (cluster != null) {
cluster.shutdown();
}
}
}
