/** Sets up configuration based on params */
private static boolean setup(Hashtable<String, String> curConf, Configuration argConf) {
if (argConf.get("file") == null) {
logger.fatal("Missing file parameter");
System.exit(1);
}
if (argConf.get("hdfs_base_path") == null) {
logger.fatal("Missing HDFS base path, check gestore-conf.xml");
System.exit(1);
}
if (argConf.get("hdfs_temp_path") == null) {
logger.fatal("Missing HDFS temp path, check gestore-conf.xml");
System.exit(1);
}
if (argConf.get("local_temp_path") == null) {
logger.fatal("Missing local temp path, check gestore-conf.xml");
System.exit(1);
}
// Input paramaters
curConf.put("run_id", argConf.get("run", ""));
curConf.put("task_id", argConf.get("task", ""));
curConf.put("file_id", argConf.get("file"));
curConf.put("local_path", argConf.get("path", ""));
curConf.put("type", argConf.get("type", "l2r"));
curConf.put("timestamp_start", argConf.get("timestamp_start", "1"));
curConf.put(
"timestamp_stop", argConf.get("timestamp_stop", Integer.toString(Integer.MAX_VALUE)));
curConf.put("delimiter", argConf.get("regex", "ID=.*"));
curConf.put("taxon", argConf.get("taxon", "all"));
curConf.put("intermediate", argConf.get("full_run", "false"));
curConf.put("quick_add", argConf.get("quick_add", "false"));
Boolean full_run = curConf.get("intermediate").matches("(?i).*true.*");
curConf.put("format", argConf.get("format", "unknown"));
curConf.put("split", argConf.get("split", "1"));
curConf.put("copy", argConf.get("copy", "true"));
// Constants
curConf.put("base_path", argConf.get("hdfs_base_path"));
curConf.put("temp_path", argConf.get("hdfs_temp_path"));
curConf.put("local_temp_path", argConf.get("local_temp_path"));
curConf.put("db_name_files", argConf.get("hbase_file_table"));
curConf.put("db_name_runs", argConf.get("hbase_run_table"));
curConf.put("db_name_updates", argConf.get("hbase_db_update_table"));
// Timestamps
Date currentTime = new Date();
Date endDate = new Date(new Long(curConf.get("timestamp_stop")));
curConf.put("timestamp_real", Long.toString(currentTime.getTime()));
return true;
}
@BeforeClass
public static void setUpOnce() throws Exception {
miniCluster = System.getProperty("cluster.type").equals("mini");
securedCluster = System.getProperty("cluster.secured").equals("true");
System.out.println("realCluster - " + !miniCluster);
System.out.println("securedCluster - " + securedCluster);
Util.setLoggingThreshold("ERROR");
if (miniCluster) {
if (hbase == null) {
hbase = new HBaseTestingUtility();
conf = hbase.getConfiguration();
conf.set("zookeeper.session.timeout", "3600000");
conf.set("dfs.client.socket-timeout", "3600000");
if (securedCluster) {
hbase.startMiniCluster(RS_COUNT);
hbase.waitTableEnabled(AccessControlLists.ACL_TABLE_NAME, 30000L);
admin = new HBaseAdminWrapper(conf);
} else {
hbase.startMiniCluster(RS_COUNT);
admin = hbase.getHBaseAdmin();
}
}
} else {
if (admin == null) {
final String argsFileName =
securedCluster
? "../../testClusterRealSecured.args"
: "../../testClusterRealNonSecured.args";
if (!Util.isFile(argsFileName)) {
throw new IllegalStateException(
"You have to define args file " + argsFileName + " for tests.");
}
String[] testArgs = {argsFileName};
Args args = new TestArgs(testArgs);
admin = HBaseClient.getAdmin(args);
conf = admin.getConfiguration();
RS_COUNT = getServerNameList().size();
}
}
previousBalancerRunning = admin.setBalancerRunning(false, true);
hConnection = HConnectionManager.createConnection(conf);
USER_RW = User.createUserForTesting(conf, "rwuser", new String[0]);
}
/**
* Assert that getSplitEditFilesSorted returns files in expected order and that it skips
* moved-aside files.
*
* @throws IOException
*/
@Test
public void testGetSplitEditFilesSorted() throws IOException {
FileSystem fs = FileSystem.get(util.getConfiguration());
Path regiondir = util.getDataTestDir("regiondir");
fs.delete(regiondir, true);
fs.mkdirs(regiondir);
Path recoverededits = WALSplitter.getRegionDirRecoveredEditsDir(regiondir);
String first = WALSplitter.formatRecoveredEditsFileName(-1);
createFile(fs, recoverededits, first);
createFile(fs, recoverededits, WALSplitter.formatRecoveredEditsFileName(0));
createFile(fs, recoverededits, WALSplitter.formatRecoveredEditsFileName(1));
createFile(fs, recoverededits, WALSplitter.formatRecoveredEditsFileName(11));
createFile(fs, recoverededits, WALSplitter.formatRecoveredEditsFileName(2));
createFile(fs, recoverededits, WALSplitter.formatRecoveredEditsFileName(50));
String last = WALSplitter.formatRecoveredEditsFileName(Long.MAX_VALUE);
createFile(fs, recoverededits, last);
createFile(
fs, recoverededits, Long.toString(Long.MAX_VALUE) + "." + System.currentTimeMillis());
final Configuration walConf = new Configuration(util.getConfiguration());
FSUtils.setRootDir(walConf, regiondir);
(new WALFactory(walConf, null, "dummyLogName")).getWAL(new byte[] {}, null);
NavigableSet<Path> files = WALSplitter.getSplitEditFilesSorted(fs, regiondir);
assertEquals(7, files.size());
assertEquals(files.pollFirst().getName(), first);
assertEquals(files.pollLast().getName(), last);
assertEquals(files.pollFirst().getName(), WALSplitter.formatRecoveredEditsFileName(0));
assertEquals(files.pollFirst().getName(), WALSplitter.formatRecoveredEditsFileName(1));
assertEquals(files.pollFirst().getName(), WALSplitter.formatRecoveredEditsFileName(2));
assertEquals(files.pollFirst().getName(), WALSplitter.formatRecoveredEditsFileName(11));
}
/**
* Assert that getSplitEditFilesSorted returns files in expected order and that it skips
* moved-aside files.
*
* @throws IOException
*/
@Test
public void testGetSplitEditFilesSorted() throws IOException {
FileSystem fs = FileSystem.get(util.getConfiguration());
Path regiondir = util.getDataTestDir("regiondir");
fs.delete(regiondir, true);
fs.mkdirs(regiondir);
Path recoverededits = HLogUtil.getRegionDirRecoveredEditsDir(regiondir);
String first = HLogSplitter.formatRecoveredEditsFileName(-1);
createFile(fs, recoverededits, first);
createFile(fs, recoverededits, HLogSplitter.formatRecoveredEditsFileName(0));
createFile(fs, recoverededits, HLogSplitter.formatRecoveredEditsFileName(1));
createFile(fs, recoverededits, HLogSplitter.formatRecoveredEditsFileName(11));
createFile(fs, recoverededits, HLogSplitter.formatRecoveredEditsFileName(2));
createFile(fs, recoverededits, HLogSplitter.formatRecoveredEditsFileName(50));
String last = HLogSplitter.formatRecoveredEditsFileName(Long.MAX_VALUE);
createFile(fs, recoverededits, last);
createFile(
fs, recoverededits, Long.toString(Long.MAX_VALUE) + "." + System.currentTimeMillis());
HLogFactory.createHLog(fs, regiondir, "dummyLogName", util.getConfiguration());
NavigableSet<Path> files = HLogUtil.getSplitEditFilesSorted(fs, regiondir);
assertEquals(7, files.size());
assertEquals(files.pollFirst().getName(), first);
assertEquals(files.pollLast().getName(), last);
assertEquals(files.pollFirst().getName(), HLogSplitter.formatRecoveredEditsFileName(0));
assertEquals(files.pollFirst().getName(), HLogSplitter.formatRecoveredEditsFileName(1));
assertEquals(files.pollFirst().getName(), HLogSplitter.formatRecoveredEditsFileName(2));
assertEquals(files.pollFirst().getName(), HLogSplitter.formatRecoveredEditsFileName(11));
}
private static byte[] copyKey(
byte[] targetKey, int targetLength, byte[] sourceKey, int offset, int length) {
if (targetLength > targetKey.length) {
targetKey = new byte[targetLength];
}
System.arraycopy(sourceKey, offset, targetKey, 0, length);
return targetKey;
}
/**
* Test that we get notification if .META. moves.
*
* @throws IOException
* @throws InterruptedException
* @throws KeeperException
*/
@Test
public void testThatIfMETAMovesWeAreNotified()
throws IOException, InterruptedException, KeeperException {
HConnection connection = Mockito.mock(HConnection.class);
constructAndStartCatalogTracker(connection);
RootLocationEditor.setRootLocation(
this.watcher, new ServerName("example.com", 1234, System.currentTimeMillis()));
}
@Test
public void testTableInfoFileStatusComparator() {
FileStatus bare =
new FileStatus(0, false, 0, 0, -1, new Path("/tmp", FSTableDescriptors.TABLEINFO_NAME));
FileStatus future =
new FileStatus(0, false, 0, 0, -1, new Path("/tmp/tablinfo." + System.currentTimeMillis()));
FileStatus farFuture =
new FileStatus(
0, false, 0, 0, -1, new Path("/tmp/tablinfo." + System.currentTimeMillis() + 1000));
FileStatus[] alist = {bare, future, farFuture};
FileStatus[] blist = {bare, farFuture, future};
FileStatus[] clist = {farFuture, bare, future};
FSTableDescriptors.FileStatusFileNameComparator c =
new FSTableDescriptors.FileStatusFileNameComparator();
Arrays.sort(alist, c);
Arrays.sort(blist, c);
Arrays.sort(clist, c);
// Now assert all sorted same in way we want.
for (int i = 0; i < alist.length; i++) {
assertTrue(alist[i].equals(blist[i]));
assertTrue(blist[i].equals(clist[i]));
assertTrue(clist[i].equals(i == 0 ? farFuture : i == 1 ? future : bare));
}
}
/**
* Test get of root region fails properly if nothing to connect to.
*
* @throws IOException
* @throws InterruptedException
* @throws KeeperException
*/
@Test
public void testVerifyRootRegionLocationFails()
throws IOException, InterruptedException, KeeperException {
HConnection connection = Mockito.mock(HConnection.class);
ConnectException connectException = new ConnectException("Connection refused");
final HRegionInterface implementation = Mockito.mock(HRegionInterface.class);
Mockito.when(implementation.getRegionInfo((byte[]) Mockito.any())).thenThrow(connectException);
Mockito.when(
connection.getHRegionConnection(
Mockito.anyString(), Mockito.anyInt(), Mockito.anyBoolean()))
.thenReturn(implementation);
final CatalogTracker ct = constructAndStartCatalogTracker(connection);
RootLocationEditor.setRootLocation(
this.watcher, new ServerName("example.com", 1234, System.currentTimeMillis()));
Assert.assertFalse(ct.verifyRootRegionLocation(100));
}
public HostRankHBaseTest() {
super(HostRankHBaseTest.class.getName());
// Let's set up the hbase root directory.
Configuration conf = HBaseConfiguration.create();
try {
FileSystem fs = FileSystem.get(conf);
String randomStr = UUID.randomUUID().toString();
String tmpdir = System.getProperty("java.io.tmpdir") + "/" + randomStr + "/";
hbaseRootdir = fs.makeQualified(new Path(tmpdir));
conf.set(HConstants.HBASE_DIR, hbaseRootdir.toString());
fs.mkdirs(hbaseRootdir);
} catch (IOException ioe) {
fail("Could not create hbase root directory.");
}
// Start the test utility.
testUtil = new HBaseTestingUtility(conf);
}
@Test
public void testHostRank() throws Exception {
if (System.getProperty("prop.mapred.job.tracker") != null) {
if (LOG.isInfoEnabled())
LOG.info("testHBaseInputOutput: Ignore this test if not local mode.");
return;
}
File jarTest = new File(System.getProperty("prop.jarLocation"));
if (!jarTest.exists()) {
fail(
"Could not find Giraph jar at "
+ "location specified by 'prop.jarLocation'. "
+ "Make sure you built the main Giraph artifact?.");
}
MiniHBaseCluster cluster = null;
MiniZooKeeperCluster zkCluster = null;
FileSystem fs = null;
try {
// using the restart method allows us to avoid having the hbase
// root directory overwritten by /home/$username
zkCluster = testUtil.startMiniZKCluster();
testUtil.restartHBaseCluster(2);
cluster = testUtil.getMiniHBaseCluster();
final byte[] OL_BYTES = Bytes.toBytes("ol");
final byte[] S_BYTES = Bytes.toBytes("s");
final byte[] METADATA_BYTES = Bytes.toBytes("mtdt");
final byte[] HR_BYTES = Bytes.toBytes("_hr_");
final byte[] TAB = Bytes.toBytes(TABLE_NAME);
Configuration conf = cluster.getConfiguration();
HTableDescriptor desc = new HTableDescriptor(TAB);
desc.addFamily(new HColumnDescriptor(OL_BYTES));
desc.addFamily(new HColumnDescriptor(S_BYTES));
desc.addFamily(new HColumnDescriptor(METADATA_BYTES));
HBaseAdmin hbaseAdmin = new HBaseAdmin(conf);
if (hbaseAdmin.isTableAvailable(TABLE_NAME)) {
hbaseAdmin.disableTable(TABLE_NAME);
hbaseAdmin.deleteTable(TABLE_NAME);
}
hbaseAdmin.createTable(desc);
/**
* Enter the initial data (a,b), (b,c), (a,c) a = 1.0 - google b = 1.0 - yahoo c = 1.0 - bing
*/
HTable table = new HTable(conf, TABLE_NAME);
Put p1 = new Put(Bytes.toBytes("com.google.www"));
p1.add(OL_BYTES, Bytes.toBytes("www.yahoo.com"), Bytes.toBytes("ab"));
Put p2 = new Put(Bytes.toBytes("com.google.www"));
p2.add(OL_BYTES, Bytes.toBytes("www.bing.com"), Bytes.toBytes("ac"));
p2.add(OL_BYTES, Bytes.toBytes("www.bing.com"), Bytes.toBytes("invalid1"));
p2.add(OL_BYTES, Bytes.toBytes("www.google.com"), Bytes.toBytes("invalid2"));
Put p3 = new Put(Bytes.toBytes("com.yahoo.www"));
p3.add(OL_BYTES, Bytes.toBytes("www.bing.com"), Bytes.toBytes("bc"));
// p3.add(OL_BYTES, Bytes.toBytes(""), Bytes.toBytes("invalid4"));
Put p4 = new Put(Bytes.toBytes("com.bing.www"));
// TODO: Handle below case. use apache isValid method.
p4.add(OL_BYTES, Bytes.toBytes("http://invalidurl"), Bytes.toBytes("invalid5"));
p4.add(S_BYTES, S_BYTES, Bytes.toBytes(10.0d));
Put p5 = new Put(Bytes.toBytes("dummy"));
p5.add(S_BYTES, S_BYTES, Bytes.toBytes(10.0d));
table.put(p1);
table.put(p2);
table.put(p3);
table.put(p4);
table.put(p5);
// Set Giraph configuration
// now operate over HBase using Vertex I/O formats
conf.set(TableInputFormat.INPUT_TABLE, TABLE_NAME);
conf.set(TableOutputFormat.OUTPUT_TABLE, TABLE_NAME);
// Start the giraph job
GiraphJob giraphJob = new GiraphJob(conf, BspCase.getCallingMethodName());
GiraphConfiguration giraphConf = giraphJob.getConfiguration();
giraphConf.setZooKeeperConfiguration(cluster.getMaster().getZooKeeper().getQuorum());
setupConfiguration(giraphJob);
giraphConf.setComputationClass(LinkRankComputation.class);
giraphConf.setMasterComputeClass(LinkRankVertexMasterCompute.class);
giraphConf.setOutEdgesClass(ByteArrayEdges.class);
giraphConf.setVertexInputFormatClass(Nutch2HostInputFormat.class);
giraphConf.setVertexOutputFormatClass(Nutch2HostOutputFormat.class);
giraphConf.setInt("giraph.linkRank.superstepCount", 10);
giraphConf.setInt("giraph.linkRank.scale", 10);
giraphConf.set("giraph.linkRank.family", "mtdt");
giraphConf.set("giraph.linkRank.qualifier", "_hr_");
giraphConf.setVertexInputFilterClass(HostRankVertexFilter.class);
assertTrue(giraphJob.run(true));
if (LOG.isInfoEnabled()) LOG.info("Giraph job successful. Checking output qualifier.");
/** Check the results * */
Result result;
String key;
byte[] calculatedScoreByte;
HashMap expectedValues = new HashMap<String, Double>();
expectedValues.put("com.google.www", 1.3515060339386287d);
expectedValues.put("com.yahoo.www", 4.144902009567587d);
expectedValues.put("com.bing.www", 9.063893290511482d);
for (Object keyObject : expectedValues.keySet()) {
key = keyObject.toString();
result = table.get(new Get(key.getBytes()));
calculatedScoreByte = result.getValue(METADATA_BYTES, HR_BYTES);
assertNotNull(calculatedScoreByte);
assertTrue(calculatedScoreByte.length > 0);
Assert.assertEquals(
"Scores are not the same",
(Double) expectedValues.get(key),
Bytes.toDouble(calculatedScoreByte),
DELTA);
}
} finally {
if (cluster != null) {
cluster.shutdown();
}
if (zkCluster != null) {
zkCluster.shutdown();
}
// clean test files
if (fs != null) {
fs.delete(hbaseRootdir);
}
}
}
@Test
public void testLogCleaning() throws Exception {
Configuration conf = TEST_UTIL.getConfiguration();
// set TTL
long ttl = 10000;
conf.setLong("hbase.master.logcleaner.ttl", ttl);
conf.setBoolean(HConstants.REPLICATION_ENABLE_KEY, HConstants.REPLICATION_ENABLE_DEFAULT);
Replication.decorateMasterConfiguration(conf);
Server server = new DummyServer();
ReplicationQueues repQueues =
ReplicationFactory.getReplicationQueues(server.getZooKeeper(), conf, server);
repQueues.init(server.getServerName().toString());
final Path oldLogDir = new Path(TEST_UTIL.getDataTestDir(), HConstants.HREGION_OLDLOGDIR_NAME);
String fakeMachineName = URLEncoder.encode(server.getServerName().toString(), "UTF8");
final FileSystem fs = FileSystem.get(conf);
// Create 2 invalid files, 1 "recent" file, 1 very new file and 30 old files
long now = System.currentTimeMillis();
fs.delete(oldLogDir, true);
fs.mkdirs(oldLogDir);
// Case 1: 2 invalid files, which would be deleted directly
fs.createNewFile(new Path(oldLogDir, "a"));
fs.createNewFile(new Path(oldLogDir, fakeMachineName + "." + "a"));
// Case 2: 1 "recent" file, not even deletable for the first log cleaner
// (TimeToLiveLogCleaner), so we are not going down the chain
System.out.println("Now is: " + now);
for (int i = 1; i < 31; i++) {
// Case 3: old files which would be deletable for the first log cleaner
// (TimeToLiveLogCleaner), and also for the second (ReplicationLogCleaner)
Path fileName = new Path(oldLogDir, fakeMachineName + "." + (now - i));
fs.createNewFile(fileName);
// Case 4: put 3 old log files in ZK indicating that they are scheduled
// for replication so these files would pass the first log cleaner
// (TimeToLiveLogCleaner) but would be rejected by the second
// (ReplicationLogCleaner)
if (i % (30 / 3) == 1) {
repQueues.addLog(fakeMachineName, fileName.getName());
System.out.println("Replication log file: " + fileName);
}
}
// sleep for sometime to get newer modifcation time
Thread.sleep(ttl);
fs.createNewFile(new Path(oldLogDir, fakeMachineName + "." + now));
// Case 2: 1 newer file, not even deletable for the first log cleaner
// (TimeToLiveLogCleaner), so we are not going down the chain
fs.createNewFile(new Path(oldLogDir, fakeMachineName + "." + (now + 10000)));
for (FileStatus stat : fs.listStatus(oldLogDir)) {
System.out.println(stat.getPath().toString());
}
assertEquals(34, fs.listStatus(oldLogDir).length);
LogCleaner cleaner = new LogCleaner(1000, server, conf, fs, oldLogDir);
cleaner.chore();
// We end up with the current log file, a newer one and the 3 old log
// files which are scheduled for replication
TEST_UTIL.waitFor(
1000,
new Waiter.Predicate<Exception>() {
@Override
public boolean evaluate() throws Exception {
return 5 == fs.listStatus(oldLogDir).length;
}
});
for (FileStatus file : fs.listStatus(oldLogDir)) {
System.out.println("Kept log files: " + file.getPath().getName());
}
}
public int run(String[] args) throws Exception {
// printUsage();
/*
* SETUP
*/
Configuration argConf = getConf();
Hashtable<String, String> confArg = new Hashtable<String, String>();
setup(confArg, argConf);
Date currentTime = new Date();
Date endDate = new Date(new Long(confArg.get("timestamp_stop")));
Boolean full_run = confArg.get("intermediate").matches("(?i).*true.*");
Boolean quick_add = confArg.get("quick_add").matches("(?i).*true.*");
logger.info("Running GeStore");
// ZooKeeper setup
Configuration config = HBaseConfiguration.create();
zkWatcher = new ZooKeeperWatcher(config, "Testing", new HBaseAdmin(config));
zkInstance =
new ZooKeeper(
ZKConfig.getZKQuorumServersString(config),
config.getInt("zookeeper.session.timeout", -1),
zkWatcher);
if (!confArg.get("task_id").isEmpty()) {
confArg.put("temp_path", confArg.get("temp_path") + confArg.get("task_id"));
}
String lockRequest = confArg.get("file_id");
if (!confArg.get("run_id").isEmpty())
lockRequest = lockRequest + "_" + confArg.get("run_id") + "_";
if (!confArg.get("task_id").isEmpty())
lockRequest = lockRequest + "_" + confArg.get("task_id") + "_";
// Get type of movement
toFrom type_move = checkArgs(confArg);
if (type_move == toFrom.LOCAL2REMOTE && !confArg.get("format").equals("unknown")) {
List<String> arguments = new ArrayList<String>();
arguments.add("-Dinput=" + confArg.get("local_path"));
arguments.add("-Dtable=" + confArg.get("file_id"));
arguments.add("-Dtimestamp=" + confArg.get("timestamp_stop"));
arguments.add("-Dtype=" + confArg.get("format"));
arguments.add("-Dtarget_dir=" + confArg.get("base_path") + "_" + confArg.get("file_id"));
arguments.add("-Dtemp_hdfs_path=" + confArg.get("temp_path"));
arguments.add("-Drun_id=" + confArg.get("run_id"));
if (!confArg.get("run_id").isEmpty()) arguments.add("-Drun_id=" + confArg.get("run_id"));
if (!confArg.get("task_id").isEmpty()) arguments.add("-Dtask_id=" + confArg.get("task_id"));
if (quick_add) arguments.add("-Dquick_add=" + confArg.get("quick_add"));
String lockName = lock(lockRequest);
String[] argumentString = arguments.toArray(new String[arguments.size()]);
adddb.main(argumentString);
unlock(lockName);
System.exit(0);
}
// Database registration
dbutil db_util = new dbutil(config);
db_util.register_database(confArg.get("db_name_files"), true);
db_util.register_database(confArg.get("db_name_runs"), true);
db_util.register_database(confArg.get("db_name_updates"), true);
FileSystem hdfs = FileSystem.get(config);
FileSystem localFS = FileSystem.getLocal(config);
// Get source type
confArg.put("source", getSource(db_util, confArg.get("db_name_files"), confArg.get("file_id")));
confArg.put(
"database", isDatabase(db_util, confArg.get("db_name_files"), confArg.get("file_id")));
if (!confArg.get("source").equals("local")
&& type_move == toFrom.REMOTE2LOCAL
&& !confArg.get("timestamp_stop").equals(Integer.toString(Integer.MAX_VALUE))) {
confArg.put("timestamp_stop", Long.toString(latestVersion(confArg, db_util)));
}
/*
* Get previous timestamp
*/
Get run_id_get = new Get(confArg.get("run_id").getBytes());
Result run_get = db_util.doGet(confArg.get("db_name_runs"), run_id_get);
KeyValue run_file_prev =
run_get.getColumnLatest(
"d".getBytes(), (confArg.get("file_id") + "_db_timestamp").getBytes());
String last_timestamp = new String("0");
if (null != run_file_prev && !confArg.get("source").equals("local")) {
long last_timestamp_real = run_file_prev.getTimestamp();
Long current_timestamp = new Long(confArg.get("timestamp_real"));
if ((current_timestamp - last_timestamp_real) > 36000) {
last_timestamp = new String(run_file_prev.getValue());
Integer lastTimestamp = new Integer(last_timestamp);
lastTimestamp += 1;
last_timestamp = lastTimestamp.toString();
logger.info("Last timestamp: " + last_timestamp + " End data: " + endDate);
Date last_run = new Date(run_file_prev.getTimestamp());
if (last_run.before(endDate) && !full_run) {
confArg.put("timestamp_start", last_timestamp);
}
}
}
Integer tse = new Integer(confArg.get("timestamp_stop"));
Integer tss = new Integer(confArg.get("timestamp_start"));
if (tss > tse) {
logger.info("No new version of requested file.");
return 0;
}
/*
* Generate file
*/
String lockName = lock(lockRequest);
Get file_id_get = new Get(confArg.get("file_id").getBytes());
Result file_get = db_util.doGet(confArg.get("db_name_files"), file_id_get);
if (!file_get.isEmpty()) {
boolean found =
hasFile(
db_util,
hdfs,
confArg.get("db_name_files"),
confArg.get("file_id"),
getFullPath(confArg));
if (confArg.get("source").equals("fullfile")) {
found = false;
}
String filenames_put =
getFileNames(
db_util, confArg.get("db_name_files"), confArg.get("file_id"), getFullPath(confArg));
// Filename not found in file database
if (!found && type_move == toFrom.REMOTE2LOCAL) {
if (!confArg.get("source").equals("local")) {
// Generate intermediate file
if (getFile(hdfs, confArg, db_util) == null) {
unlock(lockName);
return 1;
}
// Put generated file into file database
if (!confArg.get("format").equals("fullfile")) {
putFileEntry(
db_util,
hdfs,
confArg.get("db_name_files"),
confArg.get("file_id"),
confArg.get("full_file_name"),
confArg.get("source"));
}
} else {
logger.warn("Remote file not found, and cannot be generated! File: " + confArg);
unlock(lockName);
return 1;
}
}
} else {
if (type_move == toFrom.REMOTE2LOCAL) {
logger.warn("Remote file not found, and cannot be generated.");
unlock(lockName);
return 1;
}
}
/*
* Copy file
* Update tables
*/
if (type_move == toFrom.LOCAL2REMOTE) {
if (!confArg.get("format").equals("fullfile")) {
putFileEntry(
db_util,
hdfs,
confArg.get("db_name_files"),
confArg.get("file_id"),
getFullPath(confArg),
confArg.get("source"));
}
putRunEntry(
db_util,
confArg.get("db_name_runs"),
confArg.get("run_id"),
confArg.get("file_id"),
confArg.get("type"),
confArg.get("timestamp_real"),
confArg.get("timestamp_stop"),
getFullPath(confArg),
confArg.get("delimiter"));
hdfs.copyFromLocalFile(new Path(confArg.get("local_path")), new Path(getFullPath(confArg)));
} else if (type_move == toFrom.REMOTE2LOCAL) {
FileStatus[] files = hdfs.globStatus(new Path(getFullPath(confArg) + "*"));
putRunEntry(
db_util,
confArg.get("db_name_runs"),
confArg.get("run_id"),
confArg.get("file_id"),
confArg.get("type"),
confArg.get("timestamp_real"),
confArg.get("timestamp_stop"),
getFullPath(confArg),
confArg.get("delimiter"));
unlock(lockName);
for (FileStatus file : files) {
Path cur_file = file.getPath();
Path cur_local_path =
new Path(new String(confArg.get("local_path") + confArg.get("file_id")));
String suffix = getSuffix(getFileName(confArg), cur_file.getName());
if (suffix.length() > 0) {
cur_local_path = cur_local_path.suffix(new String("." + suffix));
}
if (confArg.get("copy").equals("true")) {
String crc = hdfs.getFileChecksum(cur_file).toString();
if (checksumLocalTest(cur_local_path, crc)) {
continue;
} else {
hdfs.copyToLocalFile(cur_file, cur_local_path);
writeChecksum(cur_local_path, crc);
}
} else {
System.out.println(cur_local_path + "\t" + cur_file);
}
}
}
unlock(lockName);
return 0;
}
public static void main(String[] args) throws Exception {
int result = ToolRunner.run(new Configuration(), new move(), args);
System.exit(result);
}
/**
* Test that MetaReader will ride over server throwing "Server not running" IOEs.
*
* @see https://issues.apache.org/jira/browse/HBASE-3446
* @throws IOException
* @throws InterruptedException
*/
@Test
public void testRideOverServerNotRunning() throws IOException, InterruptedException {
// Need a zk watcher.
ZooKeeperWatcher zkw =
new ZooKeeperWatcher(
UTIL.getConfiguration(), this.getClass().getSimpleName(), ABORTABLE, true);
// This is a servername we use in a few places below.
ServerName sn = new ServerName("example.com", 1234, System.currentTimeMillis());
HConnection connection = null;
CatalogTracker ct = null;
try {
// Mock an HRegionInterface. Our mock implementation will fail a few
// times when we go to open a scanner.
final HRegionInterface implementation = Mockito.mock(HRegionInterface.class);
// When openScanner called throw IOE 'Server not running' a few times
// before we return a scanner id. Whats WEIRD is that these
// exceptions do not show in the log because they are caught and only
// printed if we FAIL. We eventually succeed after retry so these don't
// show. We will know if they happened or not because we will ask
// mockito at the end of this test to verify that openscanner was indeed
// called the wanted number of times.
final long scannerid = 123L;
Mockito.when(implementation.openScanner((byte[]) Mockito.any(), (Scan) Mockito.any()))
.thenThrow(new IOException("Server not running (1 of 3)"))
.thenThrow(new IOException("Server not running (2 of 3)"))
.thenThrow(new IOException("Server not running (3 of 3)"))
.thenReturn(scannerid);
// Make it so a verifiable answer comes back when next is called. Return
// the verifiable answer and then a null so we stop scanning. Our
// verifiable answer is something that looks like a row in META with
// a server and startcode that is that of the above defined servername.
List<KeyValue> kvs = new ArrayList<KeyValue>();
final byte[] rowToVerify = Bytes.toBytes("rowToVerify");
kvs.add(
new KeyValue(
rowToVerify,
HConstants.CATALOG_FAMILY,
HConstants.REGIONINFO_QUALIFIER,
Writables.getBytes(HRegionInfo.FIRST_META_REGIONINFO)));
kvs.add(
new KeyValue(
rowToVerify,
HConstants.CATALOG_FAMILY,
HConstants.SERVER_QUALIFIER,
Bytes.toBytes(sn.getHostAndPort())));
kvs.add(
new KeyValue(
rowToVerify,
HConstants.CATALOG_FAMILY,
HConstants.STARTCODE_QUALIFIER,
Bytes.toBytes(sn.getStartcode())));
final Result[] result = new Result[] {new Result(kvs)};
Mockito.when(implementation.next(Mockito.anyLong(), Mockito.anyInt()))
.thenReturn(result)
.thenReturn(null);
// Associate a spied-upon HConnection with UTIL.getConfiguration. Need
// to shove this in here first so it gets picked up all over; e.g. by
// HTable.
connection = HConnectionTestingUtility.getSpiedConnection(UTIL.getConfiguration());
// Fix the location lookup so it 'works' though no network. First
// make an 'any location' object.
final HRegionLocation anyLocation =
new HRegionLocation(HRegionInfo.FIRST_META_REGIONINFO, sn.getHostname(), sn.getPort());
// Return the any location object when locateRegion is called in HTable
// constructor and when its called by ServerCallable (it uses getRegionLocation).
// The ugly format below comes of 'Important gotcha on spying real objects!' from
// http://mockito.googlecode.com/svn/branches/1.6/javadoc/org/mockito/Mockito.html
Mockito.doReturn(anyLocation)
.when(connection)
.locateRegion((byte[]) Mockito.any(), (byte[]) Mockito.any());
Mockito.doReturn(anyLocation)
.when(connection)
.getRegionLocation((byte[]) Mockito.any(), (byte[]) Mockito.any(), Mockito.anyBoolean());
// Now shove our HRI implementation into the spied-upon connection.
Mockito.doReturn(implementation)
.when(connection)
.getHRegionConnection(Mockito.anyString(), Mockito.anyInt());
// Now start up the catalogtracker with our doctored Connection.
ct = new CatalogTracker(zkw, null, connection, ABORTABLE, 0);
ct.start();
// Scan meta for user tables and verify we got back expected answer.
NavigableMap<HRegionInfo, Result> hris = MetaReader.getServerUserRegions(ct, sn);
assertTrue(hris.size() == 1);
assertTrue(hris.firstEntry().getKey().equals(HRegionInfo.FIRST_META_REGIONINFO));
assertTrue(Bytes.equals(rowToVerify, hris.firstEntry().getValue().getRow()));
// Finally verify that openscanner was called four times -- three times
// with exception and then on 4th attempt we succeed.
Mockito.verify(implementation, Mockito.times(4))
.openScanner((byte[]) Mockito.any(), (Scan) Mockito.any());
} finally {
if (ct != null) ct.stop();
HConnectionManager.deleteConnection(UTIL.getConfiguration(), true);
zkw.close();
}
}
/** Test {@link CatalogTracker} */
@Category(MediumTests.class)
public class TestCatalogTracker {
private static final Log LOG = LogFactory.getLog(TestCatalogTracker.class);
private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
private static final ServerName SN =
new ServerName("example.org", 1234, System.currentTimeMillis());
private ZooKeeperWatcher watcher;
private Abortable abortable;
@BeforeClass
public static void beforeClass() throws Exception {
// Set this down so tests run quicker
UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 3);
UTIL.startMiniZKCluster();
}
@AfterClass
public static void afterClass() throws IOException {
UTIL.getZkCluster().shutdown();
}
@Before
public void before() throws IOException {
this.abortable =
new Abortable() {
@Override
public void abort(String why, Throwable e) {
LOG.info(why, e);
}
@Override
public boolean isAborted() {
return false;
}
};
this.watcher =
new ZooKeeperWatcher(
UTIL.getConfiguration(), this.getClass().getSimpleName(), this.abortable, true);
}
@After
public void after() {
try {
// Clean out root location or later tests will be confused... they presume
// start fresh in zk.
RootLocationEditor.deleteRootLocation(this.watcher);
} catch (KeeperException e) {
LOG.warn("Unable to delete root location", e);
}
// Clear out our doctored connection or could mess up subsequent tests.
HConnectionManager.deleteConnection(UTIL.getConfiguration());
this.watcher.close();
}
private CatalogTracker constructAndStartCatalogTracker(final HConnection c)
throws IOException, InterruptedException {
CatalogTracker ct =
new CatalogTracker(this.watcher, UTIL.getConfiguration(), c, this.abortable);
ct.start();
return ct;
}
/**
* Test that we get notification if .META. moves.
*
* @throws IOException
* @throws InterruptedException
* @throws KeeperException
*/
@Test
public void testThatIfMETAMovesWeAreNotified()
throws IOException, InterruptedException, KeeperException {
HConnection connection = Mockito.mock(HConnection.class);
constructAndStartCatalogTracker(connection);
RootLocationEditor.setRootLocation(
this.watcher, new ServerName("example.com", 1234, System.currentTimeMillis()));
}
/**
* Test interruptable while blocking wait on root and meta.
*
* @throws IOException
* @throws InterruptedException
*/
@Test
public void testInterruptWaitOnMetaAndRoot() throws IOException, InterruptedException {
HRegionInterface implementation = Mockito.mock(HRegionInterface.class);
HConnection connection = mockConnection(implementation);
final CatalogTracker ct = constructAndStartCatalogTracker(connection);
ServerName hsa = ct.getRootLocation();
Assert.assertNull(hsa);
ServerName meta = ct.getMetaLocation();
Assert.assertNull(meta);
Thread t =
new Thread() {
@Override
public void run() {
try {
ct.waitForMeta();
} catch (InterruptedException e) {
throw new RuntimeException("Interrupted", e);
}
}
};
t.start();
while (!t.isAlive()) Threads.sleep(1);
Threads.sleep(1);
assertTrue(t.isAlive());
ct.stop();
// Join the thread... should exit shortly.
t.join();
}
/**
* Test for HBASE-4288. Throw an IOE when trying to verify meta region and prove it doesn't cause
* master shutdown.
*
* @see <a href="https://issues.apache.org/jira/browse/HBASE-4288">HBASE-4288</a>
* @throws IOException
* @throws InterruptedException
* @throws KeeperException
*/
@Test
public void testServerNotRunningIOException()
throws IOException, InterruptedException, KeeperException {
// Mock an HRegionInterface.
final HRegionInterface implementation = Mockito.mock(HRegionInterface.class);
HConnection connection = mockConnection(implementation);
// If a 'getRegionInfo' is called on mocked HRegionInterface, throw IOE
// the first time. 'Succeed' the second time we are called.
Mockito.when(implementation.getRegionInfo((byte[]) Mockito.any()))
.thenThrow(new IOException("Server not running, aborting"))
.thenReturn(new HRegionInfo());
// After we encounter the above 'Server not running', we should catch the
// IOE and go into retrying for the meta mode. We'll do gets on -ROOT- to
// get new meta location. Return something so this 'get' succeeds
// (here we mock up getRegionServerWithRetries, the wrapper around
// the actual get).
// TODO: Refactor. This method has been moved out of HConnection.
// It works for now but has been deprecated.
Mockito.when(connection.getRegionServerWithRetries((ServerCallable<Result>) Mockito.any()))
.thenReturn(getMetaTableRowResult());
// Now start up the catalogtracker with our doctored Connection.
final CatalogTracker ct = constructAndStartCatalogTracker(connection);
try {
// Set a location for root and meta.
RootLocationEditor.setRootLocation(this.watcher, SN);
ct.setMetaLocation(SN);
// Call the method that HBASE-4288 calls. It will try and verify the
// meta location and will fail on first attempt then go into a long wait.
// So, do this in a thread and then reset meta location to break it out
// of its wait after a bit of time.
final AtomicBoolean metaSet = new AtomicBoolean(false);
final CountDownLatch latch = new CountDownLatch(1);
Thread t =
new Thread() {
@Override
public void run() {
try {
latch.countDown();
metaSet.set(ct.waitForMeta(100000) != null);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
};
t.start();
latch.await();
Threads.sleep(1);
// Now reset the meta as though it were redeployed.
ct.setMetaLocation(SN);
t.join();
Assert.assertTrue(metaSet.get());
} finally {
// Clean out root and meta locations or later tests will be confused...
// they presume start fresh in zk.
ct.resetMetaLocation();
}
}
private void testVerifyMetaRegionLocationWithException(Exception ex)
throws IOException, InterruptedException, KeeperException {
// Mock an HRegionInterface.
final HRegionInterface implementation = Mockito.mock(HRegionInterface.class);
HConnection connection = mockConnection(implementation);
// If a 'get' is called on mocked interface, throw connection refused.
Mockito.when(implementation.get((byte[]) Mockito.any(), (Get) Mockito.any())).thenThrow(ex);
// Now start up the catalogtracker with our doctored Connection.
final CatalogTracker ct = constructAndStartCatalogTracker(connection);
RootLocationEditor.setRootLocation(this.watcher, SN);
long timeout = UTIL.getConfiguration().getLong("hbase.catalog.verification.timeout", 1000);
Assert.assertFalse(ct.verifyMetaRegionLocation(timeout));
}
/**
* Test we survive a connection refused {@link ConnectException}
*
* @throws IOException
* @throws InterruptedException
* @throws KeeperException
*/
@Test
public void testGetMetaServerConnectionFails()
throws IOException, InterruptedException, KeeperException {
testVerifyMetaRegionLocationWithException(new ConnectException("Connection refused"));
}
/**
* Test that verifyMetaRegionLocation properly handles getting a ServerNotRunningException. See
* HBASE-4470. Note this doesn't check the exact exception thrown in the HBASE-4470 as there it is
* thrown from getHConnection() and here it is thrown from get() -- but those are both called from
* the same function anyway, and this way is less invasive than throwing from getHConnection would
* be.
*
* @throws IOException
* @throws InterruptedException
* @throws KeeperException
*/
@Test
public void testVerifyMetaRegionServerNotRunning()
throws IOException, InterruptedException, KeeperException {
testVerifyMetaRegionLocationWithException(new ServerNotRunningYetException("mock"));
}
/**
* Test get of root region fails properly if nothing to connect to.
*
* @throws IOException
* @throws InterruptedException
* @throws KeeperException
*/
@Test
public void testVerifyRootRegionLocationFails()
throws IOException, InterruptedException, KeeperException {
HConnection connection = Mockito.mock(HConnection.class);
ConnectException connectException = new ConnectException("Connection refused");
final HRegionInterface implementation = Mockito.mock(HRegionInterface.class);
Mockito.when(implementation.getRegionInfo((byte[]) Mockito.any())).thenThrow(connectException);
Mockito.when(
connection.getHRegionConnection(
Mockito.anyString(), Mockito.anyInt(), Mockito.anyBoolean()))
.thenReturn(implementation);
final CatalogTracker ct = constructAndStartCatalogTracker(connection);
RootLocationEditor.setRootLocation(
this.watcher, new ServerName("example.com", 1234, System.currentTimeMillis()));
Assert.assertFalse(ct.verifyRootRegionLocation(100));
}
@Test(expected = NotAllMetaRegionsOnlineException.class)
public void testTimeoutWaitForRoot() throws IOException, InterruptedException {
HConnection connection = Mockito.mock(HConnection.class);
final CatalogTracker ct = constructAndStartCatalogTracker(connection);
ct.waitForRoot(100);
}
@Test(expected = RetriesExhaustedException.class)
public void testTimeoutWaitForMeta() throws IOException, InterruptedException {
HConnection connection = HConnectionTestingUtility.getMockedConnection(UTIL.getConfiguration());
final CatalogTracker ct = constructAndStartCatalogTracker(connection);
ct.waitForMeta(100);
}
/**
* Test waiting on root w/ no timeout specified.
*
* @throws IOException
* @throws InterruptedException
* @throws KeeperException
*/
@Test
public void testNoTimeoutWaitForRoot() throws IOException, InterruptedException, KeeperException {
HConnection connection = Mockito.mock(HConnection.class);
final CatalogTracker ct = constructAndStartCatalogTracker(connection);
ServerName hsa = ct.getRootLocation();
Assert.assertNull(hsa);
// Now test waiting on root location getting set.
Thread t = new WaitOnMetaThread(ct);
startWaitAliveThenWaitItLives(t, 1000);
// Set a root location.
hsa = setRootLocation();
// Join the thread... should exit shortly.
t.join();
// Now root is available.
Assert.assertTrue(ct.getRootLocation().equals(hsa));
}
private ServerName setRootLocation() throws KeeperException {
RootLocationEditor.setRootLocation(this.watcher, SN);
return SN;
}
/**
* Test waiting on meta w/ no timeout specified.
*
* @throws Exception
*/
@Ignore // Can't make it work reliably on all platforms; mockito gets confused
// Throwing: org.mockito.exceptions.misusing.WrongTypeOfReturnValue:
// Result cannot be returned by locateRegion()
// If you plug locateRegion, it then throws for incCounter, and if you plug
// that ... and so one.
@Test
public void testNoTimeoutWaitForMeta() throws Exception {
// Mock an HConnection and a HRegionInterface implementation. Have the
// HConnection return the HRI. Have the HRI return a few mocked up responses
// to make our test work.
// Mock an HRegionInterface.
final HRegionInterface implementation = Mockito.mock(HRegionInterface.class);
HConnection connection = mockConnection(implementation);
// Now the ct is up... set into the mocks some answers that make it look
// like things have been getting assigned. Make it so we'll return a
// location (no matter what the Get is). Same for getHRegionInfo -- always
// just return the meta region.
final Result result = getMetaTableRowResult();
// TODO: Refactor. This method has been moved out of HConnection.
// It works for now but has been deprecated.
Mockito.when(connection.getRegionServerWithRetries((ServerCallable<Result>) Mockito.any()))
.thenReturn(result);
Mockito.when(implementation.getRegionInfo((byte[]) Mockito.any()))
.thenReturn(HRegionInfo.FIRST_META_REGIONINFO);
final CatalogTracker ct = constructAndStartCatalogTracker(connection);
ServerName hsa = ct.getMetaLocation();
Assert.assertNull(hsa);
// Now test waiting on meta location getting set.
Thread t =
new WaitOnMetaThread(ct) {
@Override
void doWaiting() throws InterruptedException {
this.ct.waitForMeta();
}
};
startWaitAliveThenWaitItLives(t, 1000);
// This should trigger wake up of meta wait (Its the removal of the meta
// region unassigned node that triggers catalogtrackers that a meta has
// been assigned).
String node = ct.getMetaNodeTracker().getNode();
ZKUtil.createAndFailSilent(this.watcher, node);
MetaEditor.updateMetaLocation(ct, HRegionInfo.FIRST_META_REGIONINFO, SN);
ZKUtil.deleteNode(this.watcher, node);
// Go get the new meta location. waitForMeta gets and verifies meta.
Assert.assertTrue(ct.waitForMeta(10000).equals(SN));
// Join the thread... should exit shortly.
t.join();
// Now meta is available.
Assert.assertTrue(ct.waitForMeta(10000).equals(SN));
}
/**
* @param implementation An {@link HRegionInterface} instance; you'll likely want to pass a mocked
* HRS; can be null.
* @return Mock up a connection that returns a {@link org.apache.hadoop.conf.Configuration} when
* {@link HConnection#getConfiguration()} is called, a 'location' when {@link
* HConnection#getRegionLocation(byte[], byte[], boolean)} is called, and that returns the
* passed {@link HRegionInterface} instance when {@link
* HConnection#getHRegionConnection(String, int)} is called (Be sure call {@link
* HConnectionManager#deleteConnection(org.apache.hadoop.conf.Configuration)} when done with
* this mocked Connection.
* @throws IOException
*/
private HConnection mockConnection(final HRegionInterface implementation) throws IOException {
HConnection connection = HConnectionTestingUtility.getMockedConnection(UTIL.getConfiguration());
Mockito.doNothing().when(connection).close();
// Make it so we return any old location when asked.
final HRegionLocation anyLocation =
new HRegionLocation(HRegionInfo.FIRST_META_REGIONINFO, SN.getHostname(), SN.getPort());
Mockito.when(
connection.getRegionLocation(
(byte[]) Mockito.any(), (byte[]) Mockito.any(), Mockito.anyBoolean()))
.thenReturn(anyLocation);
Mockito.when(connection.locateRegion((byte[]) Mockito.any(), (byte[]) Mockito.any()))
.thenReturn(anyLocation);
if (implementation != null) {
// If a call to getHRegionConnection, return this implementation.
Mockito.when(connection.getHRegionConnection(Mockito.anyString(), Mockito.anyInt()))
.thenReturn(implementation);
}
return connection;
}
/**
* @return A mocked up Result that fakes a Get on a row in the <code>.META.</code> table.
* @throws IOException
*/
private Result getMetaTableRowResult() throws IOException {
List<KeyValue> kvs = new ArrayList<KeyValue>();
kvs.add(
new KeyValue(
HConstants.EMPTY_BYTE_ARRAY,
HConstants.CATALOG_FAMILY,
HConstants.REGIONINFO_QUALIFIER,
Writables.getBytes(HRegionInfo.FIRST_META_REGIONINFO)));
kvs.add(
new KeyValue(
HConstants.EMPTY_BYTE_ARRAY,
HConstants.CATALOG_FAMILY,
HConstants.SERVER_QUALIFIER,
Bytes.toBytes(SN.getHostAndPort())));
kvs.add(
new KeyValue(
HConstants.EMPTY_BYTE_ARRAY,
HConstants.CATALOG_FAMILY,
HConstants.STARTCODE_QUALIFIER,
Bytes.toBytes(SN.getStartcode())));
return new Result(kvs);
}
private void startWaitAliveThenWaitItLives(final Thread t, final int ms) {
t.start();
while (!t.isAlive()) {
// Wait
}
// Wait one second.
Threads.sleep(ms);
Assert.assertTrue("Assert " + t.getName() + " still waiting", t.isAlive());
}
class CountingProgressable implements Progressable {
final AtomicInteger counter = new AtomicInteger(0);
@Override
public void progress() {
this.counter.incrementAndGet();
}
}
/** Wait on META. Default is wait on -ROOT-. */
class WaitOnMetaThread extends Thread {
final CatalogTracker ct;
WaitOnMetaThread(final CatalogTracker ct) {
super("WaitOnMeta");
this.ct = ct;
}
@Override
public void run() {
try {
doWaiting();
} catch (InterruptedException e) {
throw new RuntimeException("Failed wait", e);
}
LOG.info("Exiting " + getName());
}
void doWaiting() throws InterruptedException {
this.ct.waitForRoot();
}
}
@org.junit.Rule
public org.apache.hadoop.hbase.ResourceCheckerJUnitRule cu =
new org.apache.hadoop.hbase.ResourceCheckerJUnitRule();
}