Examples with Gauge com.codahale.metrics.Gauge used on opensource projects

Example 41 with Gauge

use of com.codahale.metrics.Gauge in project jstorm by alibaba.

the class SupervisorManger method registerSupervisorMetrics.

private void registerSupervisorMetrics() {
    JStormMetrics.registerWorkerMetric(JStormMetrics.workerMetricName(MetricDef.CPU_USED_RATIO, MetricType.GAUGE), new AsmGauge(new Gauge<Double>() {

        @Override
        public Double getValue() {
            return JStormUtils.getTotalCpuUsage();
        }
    }));
    JStormMetrics.registerWorkerMetric(JStormMetrics.workerMetricName(MetricDef.DISK_USAGE, MetricType.GAUGE), new AsmGauge(new Gauge<Double>() {

        @Override
        public Double getValue() {
            return JStormUtils.getDiskUsage();
        }
    }));
    JStormMetrics.registerWorkerMetric(JStormMetrics.workerMetricName(MetricDef.MEMORY_USAGE, MetricType.GAUGE), new AsmGauge(new Gauge<Double>() {

        @Override
        public Double getValue() {
            return JStormUtils.getTotalMemUsage();
        }
    }));
    JStormMetrics.registerWorkerMetric(JStormMetrics.workerMetricName(MetricDef.NETRECVSPEED, MetricType.GAUGE), new AsmGauge(new Gauge<Double>() {

        Long lastRecvCount = LinuxResource.getNetRevSendCount().getFirst();

        Long lastCalTime = System.currentTimeMillis();

        @Override
        public Double getValue() {
            Long nowRecvCount = LinuxResource.getNetRevSendCount().getFirst();
            Long nowCalTime = System.currentTimeMillis();
            long deltaValue = nowRecvCount - lastRecvCount;
            long deltaTime = nowCalTime - lastCalTime;
            lastRecvCount = nowRecvCount;
            lastCalTime = nowCalTime;
            double ret = 0.0;
            if (deltaTime > 0) {
                ret = deltaValue / (double) deltaTime * 1000d;
            }
            return ret;
        }
    }));
    JStormMetrics.registerWorkerMetric(JStormMetrics.workerMetricName(MetricDef.NETSENDSPEED, MetricType.GAUGE), new AsmGauge(new Gauge<Double>() {

        Long lastSendCount = LinuxResource.getNetRevSendCount().getSecond();

        Long lastCalTime = System.currentTimeMillis();

        @Override
        public Double getValue() {
            Long nowSendCount = LinuxResource.getNetRevSendCount().getSecond();
            Long nowCalTime = System.currentTimeMillis();
            long deltaValue = nowSendCount - lastSendCount;
            long deltaTime = nowCalTime - lastCalTime;
            lastSendCount = nowSendCount;
            lastCalTime = nowCalTime;
            double ret = 0.0;
            if (deltaTime > 0) {
                ret = deltaValue / (double) deltaTime * 1000d;
            }
            return ret;
        }
    }));
}

Example 42 with Gauge

use of com.codahale.metrics.Gauge in project graylog2-server by Graylog2.

the class KafkaJournal method setupKafkaLogMetrics.

private void setupKafkaLogMetrics(final MetricRegistry metricRegistry) {
    metricRegistry.register(name(KafkaJournal.class, "size"), (Gauge<Long>) kafkaLog::size);
    metricRegistry.register(name(KafkaJournal.class, "logEndOffset"), (Gauge<Long>) kafkaLog::logEndOffset);
    metricRegistry.register(name(KafkaJournal.class, "numberOfSegments"), (Gauge<Integer>) kafkaLog::numberOfSegments);
    metricRegistry.register(name(KafkaJournal.class, "unflushedMessages"), (Gauge<Long>) kafkaLog::unflushedMessages);
    metricRegistry.register(name(KafkaJournal.class, "recoveryPoint"), (Gauge<Long>) kafkaLog::recoveryPoint);
    metricRegistry.register(name(KafkaJournal.class, "lastFlushTime"), (Gauge<Long>) kafkaLog::lastFlushTime);
    // must not be a lambda, because the serialization cannot determine the proper Metric type :(
    metricRegistry.register(GlobalMetricNames.JOURNAL_OLDEST_SEGMENT, (Gauge<Date>) new Gauge<Date>() {

        @Override
        public Date getValue() {
            long oldestSegment = Long.MAX_VALUE;
            for (final LogSegment segment : KafkaJournal.this.getSegments()) {
                oldestSegment = Math.min(oldestSegment, segment.created());
            }
            return new Date(oldestSegment);
        }
    });
}

Example 43 with Gauge

use of com.codahale.metrics.Gauge in project spring-boot by spring-projects.

the class MetricRegistryMetricReader method findOne.

@Override
public Metric<?> findOne(String metricName) {
    String name = this.names.get(metricName);
    if (name == null) {
        return null;
    }
    com.codahale.metrics.Metric metric = this.registry.getMetrics().get(name);
    if (metric == null) {
        return null;
    }
    if (metric instanceof Counter) {
        Counter counter = (Counter) metric;
        return new Metric<Number>(metricName, counter.getCount());
    }
    if (metric instanceof Gauge) {
        Object value = ((Gauge<?>) metric).getValue();
        if (value instanceof Number) {
            return new Metric<>(metricName, (Number) value);
        }
        if (logger.isDebugEnabled()) {
            logger.debug("Ignoring gauge '" + name + "' (" + metric + ") as its value is not a Number");
        }
        return null;
    }
    if (metric instanceof Sampling) {
        if (metricName.contains(".snapshot.")) {
            Number value = getMetric(((Sampling) metric).getSnapshot(), metricName);
            if (metric instanceof Timer) {
                // convert back to MILLISEC
                value = TimeUnit.MILLISECONDS.convert(value.longValue(), TimeUnit.NANOSECONDS);
            }
            return new Metric<>(metricName, value);
        }
    }
    return new Metric<>(metricName, getMetric(metric, metricName));
}

Example 44 with Gauge

use of com.codahale.metrics.Gauge in project pinpoint by naver.

the class MetricMonitorValues method getLongGauge.

@SuppressWarnings({ "rawtypes", "unchecked" })
public static Gauge<Long> getLongGauge(final Map<String, Gauge> gauges, String key) {
    if (gauges == null) {
        throw new NullPointerException("gauges must not be null");
    }
    if (key == null) {
        throw new NullPointerException("key must not be null");
    }
    final Gauge gauge = gauges.get(key);
    if (gauge == null) {
        LOGGER.warn("key:{} not found", key);
        return LONG_ZERO;
    }
    // Is there better way to check type of value?
    Object value = gauge.getValue();
    if (value instanceof Long) {
        return gauge;
    }
    LOGGER.warn("invalid gauge type. key:{} gauge:{}", key, gauge);
    return LONG_ZERO;
}

Example 45 with Gauge

use of com.codahale.metrics.Gauge in project pinpoint by naver.

the class MetricMonitorValues method getDoubleGauge.

@SuppressWarnings({ "rawtypes", "unchecked" })
public static Gauge<Double> getDoubleGauge(final Map<String, Gauge> gauges, String key) {
    if (gauges == null) {
        throw new NullPointerException("gauges must not be null");
    }
    if (key == null) {
        throw new NullPointerException("key must not be null");
    }
    final Gauge gauge = gauges.get(key);
    if (gauge == null) {
        LOGGER.warn("key:{} not found", key);
        return DOUBLE_ZERO;
    }
    // Is there better way to check type of value?
    Object value = gauge.getValue();
    if (value instanceof Double) {
        return gauge;
    }
    LOGGER.warn("invalid gauge type. key:{} gauge:{}", key, gauge);
    return DOUBLE_ZERO;
}