@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");
}
public synchronized void fatalError(TaskAttemptID taskId, String msg, JvmContext jvmContext)
throws IOException {
LOG.fatal("Fatal: " + msg + "from task: " + taskId);
}
public synchronized void fsError(TaskAttemptID taskId, String message, JvmContext jvmContext)
throws IOException {
LOG.fatal("FSError: " + message + "from task: " + taskId);
}
public void shuffleError(TaskAttemptID taskId, String message, JvmContext jvmContext)
throws IOException {
LOG.fatal("shuffleError: " + message + "from task: " + taskId);
}
@Override
public void reportErrorOnFile(File f) {
LOG.fatal("Error reported on file " + f + "... exiting", new Exception());
stop(1);
}
