Examples with Counters org.apache.hadoop.mapreduce.v2.api.records.Counters used on opensource projects

Example 6 with Counters

use of org.apache.hadoop.mapreduce.v2.api.records.Counters in project hadoop by apache.

the class TestAMWebServicesTasks method testTaskIdCounters.

@Test
public void testTaskIdCounters() throws JSONException, Exception {
    WebResource r = resource();
    Map<JobId, Job> jobsMap = appContext.getAllJobs();
    for (JobId id : jobsMap.keySet()) {
        String jobId = MRApps.toString(id);
        for (Task task : jobsMap.get(id).getTasks().values()) {
            String tid = MRApps.toString(task.getID());
            ClientResponse response = r.path("ws").path("v1").path("mapreduce").path("jobs").path(jobId).path("tasks").path(tid).path("counters").accept(MediaType.APPLICATION_JSON).get(ClientResponse.class);
            assertEquals(MediaType.APPLICATION_JSON_TYPE + "; " + JettyUtils.UTF_8, response.getType().toString());
            JSONObject json = response.getEntity(JSONObject.class);
            assertEquals("incorrect number of elements", 1, json.length());
            JSONObject info = json.getJSONObject("jobTaskCounters");
            verifyAMJobTaskCounters(info, task);
        }
    }
}

Example 7 with Counters

use of org.apache.hadoop.mapreduce.v2.api.records.Counters in project hadoop by apache.

the class TaskImpl method getCounters.

@Override
public Counters getCounters() {
    Counters counters = null;
    readLock.lock();
    try {
        TaskAttempt bestAttempt = selectBestAttempt();
        if (bestAttempt != null) {
            counters = bestAttempt.getCounters();
        } else {
            counters = TaskAttemptImpl.EMPTY_COUNTERS;
        //        counters.groups = new HashMap<CharSequence, CounterGroup>();
        }
        return counters;
    } finally {
        readLock.unlock();
    }
}

Example 8 with Counters

use of org.apache.hadoop.mapreduce.v2.api.records.Counters in project hadoop by apache.

the class KillAMPreemptionPolicy method killContainer.

@SuppressWarnings("unchecked")
private void killContainer(Context ctxt, PreemptionContainer c) {
    ContainerId reqCont = c.getId();
    TaskAttemptId reqTask = ctxt.getTaskAttempt(reqCont);
    LOG.info("Evicting " + reqTask);
    dispatcher.handle(new TaskAttemptEvent(reqTask, TaskAttemptEventType.TA_KILL));
    // add preemption to counters
    JobCounterUpdateEvent jce = new JobCounterUpdateEvent(reqTask.getTaskId().getJobId());
    jce.addCounterUpdate(JobCounter.TASKS_REQ_PREEMPT, 1);
    dispatcher.handle(jce);
}

Example 9 with Counters

use of org.apache.hadoop.mapreduce.v2.api.records.Counters in project hadoop by apache.

the class CountersBlock method getCounters.

private void getCounters(AppContext ctx) {
    JobId jobID = null;
    TaskId taskID = null;
    String tid = $(TASK_ID);
    if (!tid.isEmpty()) {
        taskID = MRApps.toTaskID(tid);
        jobID = taskID.getJobId();
    } else {
        String jid = $(JOB_ID);
        if (jid != null && !jid.isEmpty()) {
            jobID = MRApps.toJobID(jid);
        }
    }
    if (jobID == null) {
        return;
    }
    job = ctx.getJob(jobID);
    if (job == null) {
        return;
    }
    if (taskID != null) {
        task = job.getTask(taskID);
        if (task == null) {
            return;
        }
        total = task.getCounters();
        return;
    }
    // Get all types of counters
    Map<TaskId, Task> tasks = job.getTasks();
    total = job.getAllCounters();
    boolean needTotalCounters = false;
    if (total == null) {
        total = new Counters();
        needTotalCounters = true;
    }
    map = new Counters();
    reduce = new Counters();
    for (Task t : tasks.values()) {
        Counters counters = t.getCounters();
        if (counters == null) {
            continue;
        }
        switch(t.getType()) {
            case MAP:
                map.incrAllCounters(counters);
                break;
            case REDUCE:
                reduce.incrAllCounters(counters);
                break;
        }
        if (needTotalCounters) {
            total.incrAllCounters(counters);
        }
    }
}

Example 10 with Counters

use of org.apache.hadoop.mapreduce.v2.api.records.Counters in project hadoop by apache.

the class SingleCounterBlock method populateMembers.

private void populateMembers(AppContext ctx) {
    JobId jobID = null;
    TaskId taskID = null;
    String tid = $(TASK_ID);
    if ($(TITLE).contains("MAPS")) {
        counterType = TaskType.MAP;
    } else if ($(TITLE).contains("REDUCES")) {
        counterType = TaskType.REDUCE;
    } else {
        counterType = null;
    }
    if (!tid.isEmpty()) {
        taskID = MRApps.toTaskID(tid);
        jobID = taskID.getJobId();
    } else {
        String jid = $(JOB_ID);
        if (!jid.isEmpty()) {
            jobID = MRApps.toJobID(jid);
        }
    }
    if (jobID == null) {
        return;
    }
    job = ctx.getJob(jobID);
    if (job == null) {
        return;
    }
    if (taskID != null) {
        task = job.getTask(taskID);
        if (task == null) {
            return;
        }
        for (Map.Entry<TaskAttemptId, TaskAttempt> entry : task.getAttempts().entrySet()) {
            long value = 0;
            Counters counters = entry.getValue().getCounters();
            CounterGroup group = (counters != null) ? counters.getGroup($(COUNTER_GROUP)) : null;
            if (group != null) {
                Counter c = group.findCounter($(COUNTER_NAME));
                if (c != null) {
                    value = c.getValue();
                }
            }
            values.put(MRApps.toString(entry.getKey()), value);
        }
        return;
    }
    // Get all types of counters
    Map<TaskId, Task> tasks = job.getTasks();
    for (Map.Entry<TaskId, Task> entry : tasks.entrySet()) {
        long value = 0;
        Counters counters = entry.getValue().getCounters();
        CounterGroup group = (counters != null) ? counters.getGroup($(COUNTER_GROUP)) : null;
        if (group != null) {
            Counter c = group.findCounter($(COUNTER_NAME));
            if (c != null) {
                value = c.getValue();
            }
        }
        if (counterType == null || counterType == entry.getValue().getType()) {
            values.put(MRApps.toString(entry.getKey()), value);
        }
    }
}