public static void main(String[] args) throws IOException, TException {
OptionParser parser = new OptionParser();
parser.accepts("c", "configuration file").withRequiredArg().ofType(String.class);
parser.accepts("help", "print help statement");
OptionSet options = parser.parse(args);
if (options.has("help")) {
parser.printHelpOn(System.out);
System.exit(-1);
}
// Logger configuration: log to the console
BasicConfigurator.configure();
LOG.setLevel(Level.DEBUG);
LOG.debug("debug logging on");
Configuration conf = new PropertiesConfiguration();
if (options.has("c")) {
String configFile = (String) options.valueOf("c");
try {
conf = new PropertiesConfiguration(configFile);
} catch (ConfigurationException e) {
}
}
// Start backend server
BackendService.Processor<BackendService.Iface> processor =
new BackendService.Processor<BackendService.Iface>(new ProtoBackend());
int listenPort = conf.getInt("listen_port", DEFAULT_LISTEN_PORT);
NM_PORT = conf.getInt("node_monitor_port", NodeMonitorThrift.DEFAULT_NM_THRIFT_PORT);
TServers.launchThreadedThriftServer(listenPort, THRIFT_WORKER_THREADS, processor);
// Register server
client = TClients.createBlockingNmClient(NM_HOST, NM_PORT);
try {
client.registerBackend(APP_ID, "localhost:" + listenPort);
LOG.debug("Client successfullly registered");
} catch (TTransportException e) {
LOG.debug("Error while registering backend: " + e.getMessage());
}
}
@Override
public void run() {
if (startTime == -1) {
startTime = System.currentTimeMillis();
}
long taskStart = System.currentTimeMillis();
NodeMonitorService.Client client = null;
try {
client = TClients.createBlockingNmClient(NM_HOST, NM_PORT);
} catch (IOException e) {
LOG.fatal("Error creating NM client", e);
}
int tasks = numTasks.addAndGet(1);
double taskRate = ((double) tasks) * 1000 / (System.currentTimeMillis() - startTime);
LOG.debug("Aggregate task rate: " + taskRate);
Random r = new Random();
long benchmarkStart = System.currentTimeMillis();
runBenchmark(benchmarkId, benchmarkIterations, r);
LOG.debug("Benchmark runtime: " + (System.currentTimeMillis() - benchmarkStart));
// Update bookkeeping for task finish
synchronized (resourceUsage) {
TResources.subtractFrom(resourceUsage, taskResources);
}
HashMap<TUserGroupInfo, TResourceVector> out = new HashMap<TUserGroupInfo, TResourceVector>();
// Inform NM of resource usage
out.put(user, resourceUsage);
try {
client.tasksFinished(Lists.newArrayList(taskId));
} catch (TException e) {
e.printStackTrace();
}
client.getInputProtocol().getTransport().close();
client.getOutputProtocol().getTransport().close();
LOG.debug("Task running for " + (System.currentTimeMillis() - taskStart) + " ms");
}