Java ReducedMetric类代码示例

import backtype.storm.metric.api.ReducedMetric; //导入依赖的package包/类
@Override
public void open(Map conf, TopologyContext context, SpoutOutputCollector collector) {
    _throttler = new WindowedTimeThrottler((Number) conf.get(Config.TOPOLOGY_TRIDENT_BATCH_EMIT_INTERVAL_MILLIS),
            Integer.MAX_VALUE);
    for (String spoutId : _managedSpoutIds) {
        _states.add(TransactionalState.newCoordinatorState(conf, spoutId));
    }
    _currTransaction = getStoredCurrTransaction();

    _collector = collector;
    Number active = (Number) conf.get(Config.TOPOLOGY_MAX_SPOUT_PENDING);
    if (active == null) {
        _maxTransactionActive = 1;
    } else {
        _maxTransactionActive = active.intValue();
    }
    _attemptIds = getStoredCurrAttempts(_currTransaction, _maxTransactionActive);
    avgWaittingTime = context.registerMetric("commit-wait-ms", new ReducedMetric(new MeanReducer()),
            Utils.getInt(conf.get(Config.TOPOLOGY_BUILTIN_METRICS_BUCKET_SIZE_SECS)));
    commitWaittingCount = context.registerMetric("commit-wait-cnt", new CountMetric(),
            Utils.getInt(conf.get(Config.TOPOLOGY_BUILTIN_METRICS_BUCKET_SIZE_SECS)));
    activeTxCount = context.registerMetric("active-tx-cnt", new ReducedMetric(new MeanReducer()),
            Utils.getInt(conf.get(Config.TOPOLOGY_BUILTIN_METRICS_BUCKET_SIZE_SECS)));
    for (int i = 0; i < _spouts.size(); i++) {
        String txId = _managedSpoutIds.get(i);
        _coordinators.add(_spouts.get(i).getCoordinator(txId, conf, context));
    }
}
 

import backtype.storm.metric.api.ReducedMetric; //导入依赖的package包/类
public PartitionManager(DynamicPartitionConnections connections, String topologyInstanceId, ZkState state, Map stormConf, SpoutConfig spoutConfig, Partition id) {
    _partition = id;
    _connections = connections;
    _spoutConfig = spoutConfig;
    _topologyInstanceId = topologyInstanceId;
    _consumer = connections.register(id.host, id.partition);
    _state = state;
    _stormConf = stormConf;
    numberAcked = numberFailed = 0;

    String jsonTopologyId = null;
    Long jsonOffset = null;
    String path = committedPath();
    try {
        Map<Object, Object> json = _state.readJSON(path);
        LOG.info("Read partition information from: " + path +  "  --> " + json );
        if (json != null) {
            jsonTopologyId = (String) ((Map<Object, Object>) json.get("topology")).get("id");
            jsonOffset = (Long) json.get("offset");
        }
    } catch (Throwable e) {
        LOG.warn("Error reading and/or parsing at ZkNode: " + path, e);
    }

    Long currentOffset = KafkaUtils.getOffset(_consumer, spoutConfig.topic, id.partition, spoutConfig);

    if (jsonTopologyId == null || jsonOffset == null) { // failed to parse JSON?
        _committedTo = currentOffset;
        LOG.info("No partition information found, using configuration to determine offset");
    } else if (!topologyInstanceId.equals(jsonTopologyId) && spoutConfig.forceFromStart) {
        _committedTo = KafkaUtils.getOffset(_consumer, spoutConfig.topic, id.partition, spoutConfig.startOffsetTime);
        LOG.info("Topology change detected and reset from start forced, using configuration to determine offset");
    } else {
        _committedTo = jsonOffset;
        LOG.info("Read last commit offset from zookeeper: " + _committedTo + "; old topology_id: " + jsonTopologyId + " - new topology_id: " + topologyInstanceId );
    }

    if (currentOffset - _committedTo > spoutConfig.maxOffsetBehind || _committedTo <= 0) {
        LOG.info("Last commit offset from zookeeper: " + _committedTo);
        _committedTo = currentOffset;
        LOG.info("Commit offset " + _committedTo + " is more than " +
                spoutConfig.maxOffsetBehind + " behind, resetting to startOffsetTime=" + spoutConfig.startOffsetTime);
    }

    LOG.info("Starting Kafka " + _consumer.host() + ":" + id.partition + " from offset " + _committedTo);
    _emittedToOffset = _committedTo;

    _fetchAPILatencyMax = new CombinedMetric(new MaxMetric());
    _fetchAPILatencyMean = new ReducedMetric(new MeanReducer());
    _fetchAPICallCount = new CountMetric();
    _fetchAPIMessageCount = new CountMetric();
}
 

import backtype.storm.metric.api.ReducedMetric; //导入依赖的package包/类
@Override
public ReducedMetric registerMetric(String name, IReducer reducer, int timeBucketSizeInSecs) {
       return _topoContext.registerMetric(name, new ReducedMetric(reducer), timeBucketSizeInSecs);
   }
 

import backtype.storm.metric.api.ReducedMetric; //导入依赖的package包/类
@Override
public ReducedMetric registerMetric(String name, IReducer reducer, int timeBucketSizeInSecs) {
       return registerMetric(name, new ReducedMetric(reducer), timeBucketSizeInSecs);
   }
 

import backtype.storm.metric.api.ReducedMetric; //导入依赖的package包/类
ReducedMetric registerMetric(String name, IReducer reducer,
int timeBucketSizeInSecs);
 

import backtype.storm.metric.api.ReducedMetric; //导入依赖的package包/类
public ReducedMetric registerMetric(String name, IReducer reducer, int timeBucketSizeInSecs) {
    return _topoContext.registerMetric(name, new ReducedMetric(reducer), timeBucketSizeInSecs);
}
 

import backtype.storm.metric.api.ReducedMetric; //导入依赖的package包/类
public ReducedMetric registerMetric(String name, IReducer reducer, int timeBucketSizeInSecs) {
    return registerMetric(name, new ReducedMetric(reducer), timeBucketSizeInSecs);
}
 

import backtype.storm.metric.api.ReducedMetric; //导入依赖的package包/类
public ReducedMetric registerMetric(String name, IReducer reducer,
		int timeBucketSizeInSecs) {
	return registerMetric(name, new ReducedMetric(reducer),
			timeBucketSizeInSecs);
}
 

import backtype.storm.metric.api.ReducedMetric; //导入依赖的package包/类
@SuppressWarnings("rawtypes")
public ReducedMetric registerMetric(String name, IReducer reducer, int timeBucketSizeInSecs) {
  return registerMetric(name, new ReducedMetric(reducer), timeBucketSizeInSecs);
}
 

import backtype.storm.metric.api.ReducedMetric; //导入依赖的package包/类
@SuppressWarnings("rawtypes")
ReducedMetric registerMetric(String name, IReducer reducer, int timeBucketSizeInSecs);
 

import backtype.storm.metric.api.ReducedMetric; //导入依赖的package包/类
public PartitionManager(DynamicPartitionConnections connections, String topologyInstanceId, ZkState state, Map stormConf, SpoutConfig spoutConfig, Partition id) {
    _partition = id;
    _connections = connections;
    _spoutConfig = spoutConfig;
    _topologyInstanceId = topologyInstanceId;
    _consumer = connections.register(id.host, id.partition);
    _state = state;
    _stormConf = stormConf;

    String jsonTopologyId = null;
    Long jsonOffset = null;
    String path = committedPath();
    try {
        Map<Object, Object> json = _state.readJSON(path);
        LOG.info("Read partition information from: " + path +  " --> " + json );
        if (json != null) {
            jsonTopologyId = (String) ((Map<Object, Object>) json.get("topology")).get("id");
            jsonOffset = (Long) json.get("offset");
        }
    } catch (Throwable e) {
        LOG.warn("Error reading and/or parsing at ZkNode: " + path, e);
    }

    if (jsonTopologyId == null || jsonOffset == null) { // failed to parse JSON?
        _committedTo = KafkaUtils.getOffset(_consumer, spoutConfig.topic, id.partition, spoutConfig);
        LOG.info("No partition information found, using configuration to determine offset");
    } else if (!topologyInstanceId.equals(jsonTopologyId) && spoutConfig.forceFromStart) {
        _committedTo = KafkaUtils.getOffset(_consumer, spoutConfig.topic, id.partition, spoutConfig.startOffsetTime);
        LOG.info("Topology change detected and reset from start forced, using configuration to determine offset");
    } else {
        _committedTo = jsonOffset;
        LOG.info("Read last commit offset from zookeeper: " + _committedTo + "; old topology_id: " + jsonTopologyId + " - new topology_id: " + topologyInstanceId );
    }

    LOG.info("Starting " + _partition + " from offset " + _committedTo);
    _emittedToOffset = _committedTo;

    _fetchAPILatencyMax = new CombinedMetric(new MaxMetric());
    _fetchAPILatencyMean = new ReducedMetric(new MeanReducer());
    _fetchAPICallCount = new CountMetric();
    _fetchAPIMessageCount = new CountMetric();
}
 

import backtype.storm.metric.api.ReducedMetric; //导入依赖的package包/类
ReducedMetric registerMetric(String name, IReducer reducer, int timeBucketSizeInSecs);