Examples with AMTask com.tencent.angel.master.task.AMTask used on opensource projects

Example 11 with AMTask

use of com.tencent.angel.master.task.AMTask in project angel by Tencent.

the class TaskManagerTest method testTaskIteration.

@Test
public void testTaskIteration() throws Exception {
    try {
        LOG.info("===========================testTaskIteration===============================");
        AngelApplicationMaster angelAppMaster = LocalClusterContext.get().getMaster().getAppMaster();
        assertTrue(angelAppMaster != null);
        AMTaskManager taskManager = angelAppMaster.getAppContext().getTaskManager();
        WorkerManager workerManager = angelAppMaster.getAppContext().getWorkerManager();
        assertTrue(workerManager != null);
        AMWorkerGroup workerGroup0 = workerManager.getWorkGroup(worker0Id);
        AMWorker worker0 = workerGroup0.getWorker(worker0Id);
        WorkerAttempt worker0Attempt0 = worker0.getWorkerAttempt(worker0Attempt0Id);
        Worker worker = LocalClusterContext.get().getWorker(worker0Attempt0Id).getWorker();
        MasterClient masterClient = worker.getPSAgent().getMasterClient();
        masterClient.taskIteration(task0Id.getIndex(), 1);
        AMTask task0 = taskManager.getTask(task0Id);
        AMTask task1 = taskManager.getTask(task1Id);
        assertEquals(task0.getIteration(), 1);
        assertEquals(task1.getIteration(), 0);
        assertEquals(worker0Attempt0.getMinIteration(), 0);
        assertEquals(worker0.getMinIteration(), 0);
        assertEquals(workerGroup0.getMinIteration(), 0);
        masterClient.taskIteration(task1Id.getIndex(), 1);
        assertEquals(task0.getIteration(), 1);
        assertEquals(task1.getIteration(), 1);
        assertEquals(worker0Attempt0.getMinIteration(), 1);
        assertEquals(worker0.getMinIteration(), 1);
        assertEquals(workerGroup0.getMinIteration(), 1);
    } catch (Exception x) {
        LOG.error("run testTaskIteration failed ", x);
        throw x;
    }
}

Example 12 with AMTask

use of com.tencent.angel.master.task.AMTask in project angel by Tencent.

the class TaskCalPerfChecker method check.

@Override
public List<Id> check(AMContext context) {
    double slowestDiscount = context.getConf().getDouble(AngelConf.ANGEL_AM_TASK_SLOWEST_DISCOUNT, AngelConf.DEFAULT_ANGEL_AM_TASK_SLOWEST_DISCOUNT);
    LOG.info("start to check slow workers use TaskCalPerfChecker policy, slowestDiscount = " + slowestDiscount);
    Set<Id> slowWorkers = new HashSet<Id>();
    AMTaskManager taskManage = context.getTaskManager();
    WorkerManager workerManager = context.getWorkerManager();
    Collection<AMTask> tasks = taskManage.getTasks();
    long totalSamples = 0;
    long totalCalTimeMs = 0;
    double averageRate = 0.0;
    Map<TaskId, Double> taskIdToRateMap = new HashMap<TaskId, Double>(tasks.size());
    for (AMTask task : tasks) {
        if (task.getMetrics().containsKey(TaskCounter.TOTAL_CALCULATE_SAMPLES) && task.getMetrics().containsKey(TaskCounter.TOTAL_CALCULATE_TIME_MS)) {
            long sampleNum = Long.valueOf(task.getMetrics().get(TaskCounter.TOTAL_CALCULATE_SAMPLES));
            double calTimeMs = Long.valueOf(task.getMetrics().get(TaskCounter.TOTAL_CALCULATE_TIME_MS));
            LOG.info("for task " + task.getTaskId() + ", sampleNum = " + sampleNum + ", calTimeMs = " + calTimeMs);
            totalSamples += sampleNum;
            totalCalTimeMs += calTimeMs;
            if (sampleNum > 5000000) {
                LOG.info("task " + task.getTaskId() + " calculate rate = " + (calTimeMs * 10000 / sampleNum));
                taskIdToRateMap.put(task.getTaskId(), calTimeMs * 10000 / sampleNum);
            }
        }
    }
    if (totalSamples != 0) {
        averageRate = (double) totalCalTimeMs * 10000 / totalSamples;
    }
    LOG.info("totalSamples = " + totalSamples + ", totalCalTimeMs = " + totalCalTimeMs + ", average calulate time for 10000 samples = " + averageRate + ", the maximum calulate time for 10000 sample = " + averageRate / slowestDiscount);
    for (Map.Entry<TaskId, Double> rateEntry : taskIdToRateMap.entrySet()) {
        if (averageRate < rateEntry.getValue() * slowestDiscount) {
            LOG.info("task " + rateEntry.getKey() + " rate = " + rateEntry.getValue() + " is < " + averageRate * slowestDiscount);
            AMWorker worker = workerManager.getWorker(rateEntry.getKey());
            if (worker != null) {
                LOG.info("put worker " + worker.getId() + " to slow worker list");
                slowWorkers.add(worker.getId());
            }
        }
    }
    List<Id> slowWorkerList = new ArrayList<>(slowWorkers.size());
    slowWorkerList.addAll(slowWorkers);
    return slowWorkerList;
}

Example 13 with AMTask

use of com.tencent.angel.master.task.AMTask in project angel by Tencent.

the class WorkerAttempt method getMinIteration.

/**
 * get the minimal iteration values in all the tasks contained in this worker attempt
 *
 * @return int the minimal iteration values in all the tasks contained in this worker attempt
 */
public int getMinIteration() {
    int minIteration = Integer.MAX_VALUE;
    int size = taskIds.size();
    AMTask task = null;
    for (int i = 0; i < size; i++) {
        task = context.getTaskManager().getTask(taskIds.get(i));
        if (task.getIteration() < minIteration) {
            minIteration = task.getIteration();
        }
    }
    return minIteration;
}