/**
* Open the connection to the worker. And start the heartbeat thread.
*
* @return true if succeed, false otherwise
* @throws IOException
*/
private synchronized boolean connect() throws IOException {
if (!mConnected) {
NetAddress workerNetAddress = null;
try {
String localHostName = NetworkAddressUtils.getLocalHostName(mTachyonConf);
LOG.info("Trying to get local worker host : " + localHostName);
workerNetAddress = mMasterClient.user_getWorker(false, localHostName);
mIsLocal =
workerNetAddress
.getMHost()
.equals(InetAddress.getByName(localHostName).getHostAddress());
} catch (NoWorkerException e) {
LOG.info(e.getMessage());
workerNetAddress = null;
} catch (UnknownHostException e) {
LOG.info(e.getMessage());
workerNetAddress = null;
}
if (workerNetAddress == null) {
try {
workerNetAddress = mMasterClient.user_getWorker(true, "");
} catch (NoWorkerException e) {
LOG.info("No worker running in the system: " + e.getMessage());
mClient = null;
return false;
}
}
String host = NetworkAddressUtils.getFqdnHost(workerNetAddress);
int port = workerNetAddress.mPort;
mWorkerAddress = new InetSocketAddress(host, port);
mWorkerDataServerAddress = new InetSocketAddress(host, workerNetAddress.mSecondaryPort);
LOG.info("Connecting " + (mIsLocal ? "local" : "remote") + " worker @ " + mWorkerAddress);
mProtocol = new TBinaryProtocol(new TFramedTransport(new TSocket(host, port)));
mClient = new WorkerService.Client(mProtocol);
mHeartbeatExecutor = new WorkerClientHeartbeatExecutor(this, mMasterClient.getUserId());
String threadName = "worker-heartbeat-" + mWorkerAddress;
int interval = mTachyonConf.getInt(Constants.USER_HEARTBEAT_INTERVAL_MS, Constants.SECOND_MS);
mHeartbeat =
mExecutorService.submit(new HeartbeatThread(threadName, mHeartbeatExecutor, interval));
try {
mProtocol.getTransport().open();
} catch (TTransportException e) {
LOG.error(e.getMessage(), e);
return false;
}
mConnected = true;
}
return mConnected;
}
/**
* Test constructor for TachyonConfTest class.
*
* <p>Here is the order of the sources to load the properties: -) System properties if desired -)
* Environment variables via tachyon-env.sh or from OS settings -) Site specific properties via
* tachyon-site.properties file -) Default properties via tachyon-default.properties file
*/
TachyonConf(boolean includeSystemProperties) {
// Load default
Properties defaultProps = new Properties();
// Override runtime default
defaultProps.setProperty(Constants.MASTER_HOSTNAME, NetworkAddressUtils.getLocalHostName(250));
defaultProps.setProperty(
Constants.WORKER_MIN_WORKER_THREADS,
String.valueOf(Runtime.getRuntime().availableProcessors()));
defaultProps.setProperty(
Constants.MASTER_MIN_WORKER_THREADS,
String.valueOf(Runtime.getRuntime().availableProcessors()));
InputStream defaultInputStream =
TachyonConf.class.getClassLoader().getResourceAsStream(DEFAULT_PROPERTIES);
if (defaultInputStream == null) {
throw new RuntimeException("The default Tachyon properties file does not exist.");
}
try {
defaultProps.load(defaultInputStream);
} catch (IOException e) {
throw new RuntimeException("Unable to load default Tachyon properties file.", e);
}
// Load site specific properties file
Properties siteProps = new Properties();
InputStream siteInputStream =
TachyonConf.class.getClassLoader().getResourceAsStream(SITE_PROPERTIES);
if (siteInputStream != null) {
try {
siteProps.load(siteInputStream);
} catch (IOException e) {
LOG.warn("Unable to load site Tachyon configuration file.", e);
}
}
// Load system properties
Properties systemProps = new Properties();
if (includeSystemProperties) {
systemProps.putAll(System.getProperties());
}
// Now lets combine
mProperties.putAll(defaultProps);
mProperties.putAll(siteProps);
mProperties.putAll(systemProps);
// Update tachyon.master_address
String masterHostname = mProperties.getProperty(Constants.MASTER_HOSTNAME);
String masterPort = mProperties.getProperty(Constants.MASTER_PORT);
boolean useZk = Boolean.parseBoolean(mProperties.getProperty(Constants.USE_ZOOKEEPER));
String masterAddress =
(useZk ? Constants.HEADER_FT : Constants.HEADER) + masterHostname + ":" + masterPort;
mProperties.setProperty(Constants.MASTER_ADDRESS, masterAddress);
}
@Test
public void mkdirTest() throws IOException {
String qualifiedPath =
"tachyon://"
+ NetworkAddressUtils.getLocalHostName(Constants.DEFAULT_HOST_RESOLUTION_TIMEOUT_MS)
+ ":"
+ mLocalTachyonCluster.getMasterPort()
+ "/root/testFile1";
mFsShell.mkdir(new String[] {"mkdir", qualifiedPath});
TachyonFile tFile = mTfs.getFile(new TachyonURI("/root/testFile1"));
Assert.assertNotNull(tFile);
Assert.assertEquals(
getCommandOutput(new String[] {"mkdir", qualifiedPath}), mOutput.toString());
Assert.assertTrue(tFile.isDirectory());
}
/**
* Creates a new local block input stream.
*
* @param blockId the block id
* @throws IOException if I/O error occurs
*/
public LocalBlockInStream(long blockId, long blockSize) throws IOException {
super(blockId, blockSize);
mContext = BlockStoreContext.INSTANCE;
mCloser = Closer.create();
mWorkerClient =
mContext.acquireWorkerClient(NetworkAddressUtils.getLocalHostName(ClientContext.getConf()));
FileChannel localFileChannel = null;
try {
String blockPath = mWorkerClient.lockBlock(blockId);
if (blockPath == null) {
throw new IOException(ExceptionMessage.BLOCK_NOT_LOCALLY_AVAILABLE.getMessage(mBlockId));
}
RandomAccessFile localFile = mCloser.register(new RandomAccessFile(blockPath, "r"));
localFileChannel = mCloser.register(localFile.getChannel());
} catch (IOException e) {
mContext.releaseWorkerClient(mWorkerClient);
throw e;
}
mLocalFileChannel = localFileChannel;
}
public void start() throws IOException {
int maxLevel = 1;
mTachyonHome =
File.createTempFile("Tachyon", "U" + System.currentTimeMillis()).getAbsolutePath();
mWorkerDataFolder = "/datastore";
mHostname = NetworkAddressUtils.getLocalHostName(100);
mMasterConf = MasterContext.getConf();
mMasterConf.set(Constants.IN_TEST_MODE, "true");
mMasterConf.set(Constants.TACHYON_HOME, mTachyonHome);
mMasterConf.set(Constants.USE_ZOOKEEPER, "true");
mMasterConf.set(Constants.MASTER_HOSTNAME, mHostname);
mMasterConf.set(Constants.MASTER_BIND_HOST, mHostname);
mMasterConf.set(Constants.MASTER_PORT, "0");
mMasterConf.set(Constants.MASTER_WEB_BIND_HOST, mHostname);
mMasterConf.set(Constants.MASTER_WEB_PORT, "0");
mMasterConf.set(Constants.ZOOKEEPER_ADDRESS, mCuratorServer.getConnectString());
mMasterConf.set(Constants.ZOOKEEPER_ELECTION_PATH, "/election");
mMasterConf.set(Constants.ZOOKEEPER_LEADER_PATH, "/leader");
mMasterConf.set(Constants.USER_QUOTA_UNIT_BYTES, "10000");
mMasterConf.set(Constants.USER_DEFAULT_BLOCK_SIZE_BYTE, Integer.toString(mUserBlockSize));
// Since tests are always running on a single host keep the resolution timeout low as otherwise
// people running with strange network configurations will see very slow tests
mMasterConf.set(Constants.HOST_RESOLUTION_TIMEOUT_MS, "250");
// Disable hdfs client caching to avoid file system close() affecting other clients
System.setProperty("fs.hdfs.impl.disable.cache", "true");
// re-build the dir to set permission to 777
deleteDir(mTachyonHome);
mkdir(mTachyonHome);
for (int k = 0; k < mNumOfMasters; k++) {
final LocalTachyonMaster master = LocalTachyonMaster.create(mTachyonHome);
master.start();
LOG.info(
"master NO."
+ k
+ " started, isServing: "
+ master.isServing()
+ ", address: "
+ master.getAddress());
mMasters.add(master);
// Each master should generate a new port for binding
mMasterConf.set(Constants.MASTER_PORT, "0");
}
// Create the directories for the data and workers after LocalTachyonMaster construction,
// because LocalTachyonMaster sets the UNDERFS_DATA_FOLDER and UNDERFS_WORKERS_FOLDER.
mkdir(mMasterConf.get(Constants.UNDERFS_DATA_FOLDER));
mkdir(mMasterConf.get(Constants.UNDERFS_WORKERS_FOLDER));
LOG.info("all " + mNumOfMasters + " masters started.");
LOG.info("waiting for a leader.");
boolean hasLeader = false;
while (!hasLeader) {
for (int i = 0; i < mMasters.size(); i++) {
if (mMasters.get(i).isServing()) {
LOG.info(
"master NO."
+ i
+ " is selected as leader. address: "
+ mMasters.get(i).getAddress());
hasLeader = true;
break;
}
}
}
// Use first master port
mMasterConf.set(Constants.MASTER_PORT, getMasterPort() + "");
CommonUtils.sleepMs(10);
mWorkerConf = WorkerContext.getConf();
mWorkerConf.merge(mMasterConf);
mWorkerConf.set(Constants.WORKER_DATA_FOLDER, mWorkerDataFolder);
mWorkerConf.set(Constants.WORKER_MEMORY_SIZE, mWorkerCapacityBytes + "");
mWorkerConf.set(Constants.WORKER_TO_MASTER_HEARTBEAT_INTERVAL_MS, 15 + "");
// Setup conf for worker
mWorkerConf.set(Constants.WORKER_MAX_TIERED_STORAGE_LEVEL, Integer.toString(maxLevel));
mWorkerConf.set(String.format(Constants.WORKER_TIERED_STORAGE_LEVEL_ALIAS_FORMAT, 0), "MEM");
mWorkerConf.set(
String.format(Constants.WORKER_TIERED_STORAGE_LEVEL_DIRS_PATH_FORMAT, 0),
mTachyonHome + "/ramdisk");
mWorkerConf.set(
String.format(Constants.WORKER_TIERED_STORAGE_LEVEL_DIRS_QUOTA_FORMAT, 0),
mWorkerCapacityBytes + "");
// Since tests are always running on a single host keep the resolution timeout low as otherwise
// people running with strange network configurations will see very slow tests
mWorkerConf.set(Constants.HOST_RESOLUTION_TIMEOUT_MS, "250");
for (int level = 1; level < maxLevel; level++) {
String tierLevelDirPath =
String.format(Constants.WORKER_TIERED_STORAGE_LEVEL_DIRS_PATH_FORMAT, level);
String[] dirPaths = mWorkerConf.get(tierLevelDirPath).split(",");
String newPath = "";
for (String dirPath : dirPaths) {
newPath += mTachyonHome + dirPath + ",";
}
mWorkerConf.set(
String.format(Constants.WORKER_TIERED_STORAGE_LEVEL_DIRS_PATH_FORMAT, level),
newPath.substring(0, newPath.length() - 1));
}
mWorkerConf.set(Constants.WORKER_BIND_HOST, mHostname);
mWorkerConf.set(Constants.WORKER_PORT, "0");
mWorkerConf.set(Constants.WORKER_DATA_BIND_HOST, mHostname);
mWorkerConf.set(Constants.WORKER_DATA_PORT, "0");
mWorkerConf.set(Constants.WORKER_WEB_BIND_HOST, mHostname);
mWorkerConf.set(Constants.WORKER_WEB_PORT, "0");
mWorkerConf.set(Constants.WORKER_MIN_WORKER_THREADS, "1");
mWorkerConf.set(Constants.WORKER_MAX_WORKER_THREADS, "100");
// Perform immediate shutdown of data server. Graceful shutdown is unnecessary and slow
mWorkerConf.set(Constants.WORKER_NETWORK_NETTY_SHUTDOWN_QUIET_PERIOD, Integer.toString(0));
mWorkerConf.set(Constants.WORKER_NETWORK_NETTY_SHUTDOWN_TIMEOUT, Integer.toString(0));
mWorker = new BlockWorker();
Runnable runWorker =
new Runnable() {
@Override
public void run() {
try {
mWorker.process();
} catch (Exception e) {
throw new RuntimeException(e + " \n Start Master Error \n" + e.getMessage(), e);
}
}
};
mWorkerThread = new Thread(runWorker);
mWorkerThread.start();
// The client context should reflect the updates to the conf.
if (sReinitializer == null) {
ClientContext.accessReinitializer(sReinitializerAccesser);
}
sReinitializer.reinitializeWithConf(mWorkerConf);
}
/** Constructs a {@link LocalFirstPolicy}. */
public LocalFirstPolicy() {
mLocalHostName = NetworkAddressUtils.getLocalHostName(ClientContext.getConf());
}