Examples with TaskInfo com.alibaba.jstorm.task.TaskInfo used on opensource projects

Example 1 with TaskInfo

use of com.alibaba.jstorm.task.TaskInfo in project jstorm by alibaba.

the class DoRebalanceTransitionCallback method setBoltInfo.

private int setBoltInfo(StormTopology oldTopology, StormTopology newTopology, int cnt, StormClusterState clusterState) throws Exception {
    Map<String, Bolt> oldBolts = oldTopology.get_bolts();
    Map<String, Bolt> bolts = newTopology.get_bolts();
    for (Entry<String, Bolt> entry : oldBolts.entrySet()) {
        String boltName = entry.getKey();
        Bolt oldBolt = entry.getValue();
        Bolt bolt = bolts.get(boltName);
        if (oldBolt.get_common().get_parallelism_hint() > bolt.get_common().get_parallelism_hint()) {
            int removedTaskNum = oldBolt.get_common().get_parallelism_hint() - bolt.get_common().get_parallelism_hint();
            TreeSet<Integer> taskIds = new TreeSet<Integer>(clusterState.task_ids_by_componentId(topologyid, boltName));
            Iterator<Integer> descendIterator = taskIds.descendingIterator();
            while (--removedTaskNum >= 0) {
                int taskId = descendIterator.next();
                removeTask(topologyid, taskId, clusterState);
                LOG.info("Remove bolt task, taskId=" + taskId + " for " + boltName);
            }
        } else if (oldBolt.get_common().get_parallelism_hint() == bolt.get_common().get_parallelism_hint()) {
            continue;
        } else {
            int delta = bolt.get_common().get_parallelism_hint() - oldBolt.get_common().get_parallelism_hint();
            Map<Integer, TaskInfo> taskInfoMap = new HashMap<Integer, TaskInfo>();
            for (int i = 1; i <= delta; i++) {
                cnt++;
                TaskInfo taskInfo = new TaskInfo((String) entry.getKey(), "bolt");
                taskInfoMap.put(cnt, taskInfo);
                newTasks.add(cnt);
                LOG.info("Setup new bolt task, taskId=" + cnt + " for " + boltName);
            }
            clusterState.add_task(topologyid, taskInfoMap);
        }
    }
    return cnt;
}

Example 2 with TaskInfo

use of com.alibaba.jstorm.task.TaskInfo in project jstorm by alibaba.

the class ServiceHandler method getTopologyInfo.

/**
     * Get TopologyInfo, it contain all data of the topology running status
     *
     * @return TopologyInfo
     */
@Override
public TopologyInfo getTopologyInfo(String topologyId) throws NotAliveException, TException {
    long start = System.nanoTime();
    StormClusterState stormClusterState = data.getStormClusterState();
    try {
        // get topology's StormBase
        StormBase base = stormClusterState.storm_base(topologyId, null);
        if (base == null) {
            throw new NotAliveException("No topology of " + topologyId);
        }
        Assignment assignment = stormClusterState.assignment_info(topologyId, null);
        if (assignment == null) {
            throw new NotAliveException("No topology of " + topologyId);
        }
        TopologyTaskHbInfo topologyTaskHbInfo = data.getTasksHeartbeat().get(topologyId);
        Map<Integer, TaskHeartbeat> taskHbMap = null;
        if (topologyTaskHbInfo != null)
            taskHbMap = topologyTaskHbInfo.get_taskHbs();
        Map<Integer, TaskInfo> taskInfoMap = Cluster.get_all_taskInfo(stormClusterState, topologyId);
        Map<Integer, String> taskToComponent = Cluster.get_all_task_component(stormClusterState, topologyId, taskInfoMap);
        Map<Integer, String> taskToType = Cluster.get_all_task_type(stormClusterState, topologyId, taskInfoMap);
        String errorString;
        if (Cluster.is_topology_exist_error(stormClusterState, topologyId)) {
            errorString = "Y";
        } else {
            errorString = "";
        }
        TopologySummary topologySummary = new TopologySummary();
        topologySummary.set_id(topologyId);
        topologySummary.set_name(base.getStormName());
        topologySummary.set_uptimeSecs(TimeUtils.time_delta(base.getLanchTimeSecs()));
        topologySummary.set_status(base.getStatusString());
        topologySummary.set_numTasks(NimbusUtils.getTopologyTaskNum(assignment));
        topologySummary.set_numWorkers(assignment.getWorkers().size());
        topologySummary.set_errorInfo(errorString);
        Map<String, ComponentSummary> componentSummaryMap = new HashMap<String, ComponentSummary>();
        HashMap<String, List<Integer>> componentToTasks = JStormUtils.reverse_map(taskToComponent);
        for (Entry<String, List<Integer>> entry : componentToTasks.entrySet()) {
            String name = entry.getKey();
            List<Integer> taskIds = entry.getValue();
            if (taskIds == null || taskIds.size() == 0) {
                LOG.warn("No task of component " + name);
                continue;
            }
            ComponentSummary componentSummary = new ComponentSummary();
            componentSummaryMap.put(name, componentSummary);
            componentSummary.set_name(name);
            componentSummary.set_type(taskToType.get(taskIds.get(0)));
            componentSummary.set_parallel(taskIds.size());
            componentSummary.set_taskIds(taskIds);
        }
        Map<Integer, TaskSummary> taskSummaryMap = new TreeMap<Integer, TaskSummary>();
        Map<Integer, List<TaskError>> taskErrors = Cluster.get_all_task_errors(stormClusterState, topologyId);
        for (Integer taskId : taskInfoMap.keySet()) {
            TaskSummary taskSummary = new TaskSummary();
            taskSummaryMap.put(taskId, taskSummary);
            taskSummary.set_taskId(taskId);
            if (taskHbMap == null) {
                taskSummary.set_status("Starting");
                taskSummary.set_uptime(0);
            } else {
                TaskHeartbeat hb = taskHbMap.get(taskId);
                if (hb == null) {
                    taskSummary.set_status("Starting");
                    taskSummary.set_uptime(0);
                } else {
                    boolean isInactive = NimbusUtils.isTaskDead(data, topologyId, taskId);
                    if (isInactive)
                        taskSummary.set_status("INACTIVE");
                    else
                        taskSummary.set_status("ACTIVE");
                    taskSummary.set_uptime(hb.get_uptime());
                }
            }
            if (StringUtils.isBlank(errorString)) {
                continue;
            }
            List<TaskError> taskErrorList = taskErrors.get(taskId);
            if (taskErrorList != null && taskErrorList.size() != 0) {
                for (TaskError taskError : taskErrorList) {
                    ErrorInfo errorInfo = new ErrorInfo(taskError.getError(), taskError.getTimSecs(), taskError.getLevel(), taskError.getCode());
                    taskSummary.add_to_errors(errorInfo);
                    String component = taskToComponent.get(taskId);
                    componentSummaryMap.get(component).add_to_errors(errorInfo);
                }
            }
        }
        for (ResourceWorkerSlot workerSlot : assignment.getWorkers()) {
            String hostname = workerSlot.getHostname();
            int port = workerSlot.getPort();
            for (Integer taskId : workerSlot.getTasks()) {
                TaskSummary taskSummary = taskSummaryMap.get(taskId);
                taskSummary.set_host(hostname);
                taskSummary.set_port(port);
            }
        }
        TopologyInfo topologyInfo = new TopologyInfo();
        topologyInfo.set_topology(topologySummary);
        topologyInfo.set_components(JStormUtils.mk_list(componentSummaryMap.values()));
        topologyInfo.set_tasks(JStormUtils.mk_list(taskSummaryMap.values()));
        // return topology metric & component metric only
        List<MetricInfo> tpMetricList = data.getMetricCache().getMetricData(topologyId, MetaType.TOPOLOGY);
        List<MetricInfo> compMetricList = data.getMetricCache().getMetricData(topologyId, MetaType.COMPONENT);
        List<MetricInfo> workerMetricList = data.getMetricCache().getMetricData(topologyId, MetaType.WORKER);
        MetricInfo taskMetric = MetricUtils.mkMetricInfo();
        MetricInfo streamMetric = MetricUtils.mkMetricInfo();
        MetricInfo nettyMetric = MetricUtils.mkMetricInfo();
        MetricInfo tpMetric, compMetric, workerMetric;
        if (tpMetricList == null || tpMetricList.size() == 0) {
            tpMetric = MetricUtils.mkMetricInfo();
        } else {
            // get the last min topology metric
            tpMetric = tpMetricList.get(tpMetricList.size() - 1);
        }
        if (compMetricList == null || compMetricList.size() == 0) {
            compMetric = MetricUtils.mkMetricInfo();
        } else {
            compMetric = compMetricList.get(0);
        }
        if (workerMetricList == null || workerMetricList.size() == 0) {
            workerMetric = MetricUtils.mkMetricInfo();
        } else {
            workerMetric = workerMetricList.get(0);
        }
        TopologyMetric topologyMetrics = new TopologyMetric(tpMetric, compMetric, workerMetric, taskMetric, streamMetric, nettyMetric);
        topologyInfo.set_metrics(topologyMetrics);
        return topologyInfo;
    } catch (TException e) {
        LOG.info("Failed to get topologyInfo " + topologyId, e);
        throw e;
    } catch (Exception e) {
        LOG.info("Failed to get topologyInfo " + topologyId, e);
        throw new TException("Failed to get topologyInfo" + topologyId);
    } finally {
        long end = System.nanoTime();
        SimpleJStormMetric.updateNimbusHistogram("getTopologyInfo", (end - start) / TimeUtils.NS_PER_US);
    }
}

Example 3 with TaskInfo

use of com.alibaba.jstorm.task.TaskInfo in project jstorm by alibaba.

the class ServiceHandler method setupZkTaskInfo.

/**
     * generate TaskInfo for every bolt or spout in ZK /ZK/tasks/topoologyId/xxx
     *
     * @param conf
     * @param topologyId
     * @param stormClusterState
     * @throws Exception
     */
public void setupZkTaskInfo(Map<Object, Object> conf, String topologyId, StormClusterState stormClusterState) throws Exception {
    Map<Integer, TaskInfo> taskToTaskInfo = mkTaskComponentAssignments(conf, topologyId);
    // mkdir /ZK/taskbeats/topoologyId
    int masterId = NimbusUtils.getTopologyMasterId(taskToTaskInfo);
    TopologyTaskHbInfo topoTaskHbinfo = new TopologyTaskHbInfo(topologyId, masterId);
    data.getTasksHeartbeat().put(topologyId, topoTaskHbinfo);
    stormClusterState.topology_heartbeat(topologyId, topoTaskHbinfo);
    if (taskToTaskInfo == null || taskToTaskInfo.size() == 0) {
        throw new InvalidTopologyException("Failed to generate TaskIDs map");
    }
    // key is taskid, value is taskinfo
    stormClusterState.set_task(topologyId, taskToTaskInfo);
}

Example 4 with TaskInfo

use of com.alibaba.jstorm.task.TaskInfo in project jstorm by alibaba.

the class DoRebalanceTransitionCallback method setSpoutInfo.

private int setSpoutInfo(StormTopology oldTopology, StormTopology newTopology, int cnt, StormClusterState clusterState) throws Exception {
    Map<String, SpoutSpec> oldSpouts = oldTopology.get_spouts();
    Map<String, SpoutSpec> spouts = newTopology.get_spouts();
    for (Entry<String, SpoutSpec> entry : oldSpouts.entrySet()) {
        String spoutName = entry.getKey();
        SpoutSpec oldSpout = entry.getValue();
        SpoutSpec spout = spouts.get(spoutName);
        if (oldSpout.get_common().get_parallelism_hint() > spout.get_common().get_parallelism_hint()) {
            int removedTaskNum = oldSpout.get_common().get_parallelism_hint() - spout.get_common().get_parallelism_hint();
            TreeSet<Integer> taskIds = new TreeSet<Integer>(clusterState.task_ids_by_componentId(topologyid, spoutName));
            Iterator<Integer> descendIterator = taskIds.descendingIterator();
            while (--removedTaskNum >= 0) {
                int taskId = descendIterator.next();
                removeTask(topologyid, taskId, clusterState);
                LOG.info("Remove spout task, taskId=" + taskId + " for " + spoutName);
            }
        } else if (oldSpout.get_common().get_parallelism_hint() == spout.get_common().get_parallelism_hint()) {
            continue;
        } else {
            int delta = spout.get_common().get_parallelism_hint() - oldSpout.get_common().get_parallelism_hint();
            Map<Integer, TaskInfo> taskInfoMap = new HashMap<Integer, TaskInfo>();
            for (int i = 1; i <= delta; i++) {
                cnt++;
                TaskInfo taskInfo = new TaskInfo((String) entry.getKey(), "spout");
                taskInfoMap.put(cnt, taskInfo);
                newTasks.add(cnt);
                LOG.info("Setup new spout task, taskId=" + cnt + " for " + spoutName);
            }
            clusterState.add_task(topologyid, taskInfoMap);
        }
    }
    return cnt;
}

Example 5 with TaskInfo

use of com.alibaba.jstorm.task.TaskInfo in project jstorm by alibaba.

the class StormZkClusterState method task_ids_by_componentId.

@Override
public Set<Integer> task_ids_by_componentId(String topologyId, String componentId) throws Exception {
    String stormTaskPath = Cluster.storm_task_root(topologyId);
    Object data = getObject(stormTaskPath, false);
    if (data == null) {
        return null;
    }
    Map<Integer, TaskInfo> taskInfoMap = (Map<Integer, TaskInfo>) data;
    Set<Integer> rtn = new HashSet<Integer>();
    Set<Integer> taskIds = taskInfoMap.keySet();
    for (Integer taskId : taskIds) {
        TaskInfo taskInfo = taskInfoMap.get(taskId);
        if (taskInfo != null) {
            if (taskInfo.getComponentId().equalsIgnoreCase(componentId))
                rtn.add(taskId);
        }
    }
    return rtn;
}