Example usage for org.apache.hadoop.metrics2 MetricsRecordBuilder tag

Introduction

In this page you can find the example usage for org.apache.hadoop.metrics2 MetricsRecordBuilder tag.

Prototype

public abstract MetricsRecordBuilder tag(MetricsInfo info, String value);

Source Link

Document

Add a metrics value with metrics information

Usage

From source file:com.github.joshelser.dropwizard.metrics.hadoop.HadoopMetrics2Reporter.java

License:Apache License

/**
 * Consumes the current metrics collected by dropwizard and adds them to the {@code builder}.
 *
 * @param builder A record builder//  www  .j av  a  2 s.  c o  m
 */
void snapshotAllMetrics(MetricsRecordBuilder builder) {
    try {
        // Pass through the gauges
        @SuppressWarnings("rawtypes")
        Iterator<Entry<String, Gauge>> gaugeIterator = dropwizardGauges.entrySet().iterator();
        while (gaugeIterator.hasNext()) {
            @SuppressWarnings("rawtypes")
            Entry<String, Gauge> gauge = gaugeIterator.next();
            final MetricsInfo info = Interns.info(gauge.getKey(), EMPTY_STRING);
            final Object o = gauge.getValue().getValue();

            // Figure out which gauge types metrics2 supports and call the right method
            if (o instanceof Integer) {
                builder.addGauge(info, (int) o);
            } else if (o instanceof Long) {
                builder.addGauge(info, (long) o);
            } else if (o instanceof Float) {
                builder.addGauge(info, (float) o);
            } else if (o instanceof Double) {
                builder.addGauge(info, (double) o);
            } else {
                LOG.trace("Ignoring Gauge ({}) with unhandled type: {}", gauge.getKey(), o.getClass());
            }
        }
    } finally {
        dropwizardGauges = EMPTY_GAUGE_MAP;
    }

    try {
        // Pass through the counters
        Iterator<Entry<String, Counter>> counterIterator = dropwizardCounters.entrySet().iterator();
        while (counterIterator.hasNext()) {
            Entry<String, Counter> counter = counterIterator.next();
            MetricsInfo info = Interns.info(counter.getKey(), EMPTY_STRING);
            builder.addCounter(info, counter.getValue().getCount());
        }
    } finally {
        dropwizardCounters = EMPTY_COUNTER_MAP;
    }

    try {
        // Pass through the histograms
        Iterator<Entry<String, Histogram>> histogramIterator = dropwizardHistograms.entrySet().iterator();
        while (histogramIterator.hasNext()) {
            final Entry<String, Histogram> entry = histogramIterator.next();
            final String name = entry.getKey();
            final Histogram histogram = entry.getValue();

            addSnapshot(builder, name, EMPTY_STRING, histogram.getSnapshot(), histogram.getCount());
        }
    } finally {
        dropwizardHistograms = EMPTY_HISTOGRAM_MAP;
    }

    try {
        // Pass through the meter values
        Iterator<Entry<String, Meter>> meterIterator = dropwizardMeters.entrySet().iterator();
        while (meterIterator.hasNext()) {
            final Entry<String, Meter> meterEntry = meterIterator.next();
            final String name = meterEntry.getKey();
            final Meter meter = meterEntry.getValue();

            addMeter(builder, name, EMPTY_STRING, meter.getCount(), meter.getMeanRate(),
                    meter.getOneMinuteRate(), meter.getFiveMinuteRate(), meter.getFifteenMinuteRate());
        }
    } finally {
        dropwizardMeters = EMPTY_METER_MAP;
    }

    try {
        // Pass through the timers (meter + histogram)
        Iterator<Entry<String, Timer>> timerIterator = dropwizardTimers.entrySet().iterator();
        while (timerIterator.hasNext()) {
            final Entry<String, Timer> timerEntry = timerIterator.next();
            final String name = timerEntry.getKey();
            final Timer timer = timerEntry.getValue();
            final Snapshot snapshot = timer.getSnapshot();

            // Add the meter info (mean rate and rate over time windows)
            addMeter(builder, name, EMPTY_STRING, timer.getCount(), timer.getMeanRate(),
                    timer.getOneMinuteRate(), timer.getFiveMinuteRate(), timer.getFifteenMinuteRate());

            // Count was already added via the meter
            addSnapshot(builder, name, EMPTY_STRING, snapshot);
        }
    } finally {
        dropwizardTimers = EMPTY_TIMER_MAP;
    }

    // Add in metadata about what the units the reported metrics are displayed using.
    builder.tag(RATE_UNIT_LABEL, getRateUnit());
    builder.tag(DURATION_UNIT_LABEL, getDurationUnit());
}

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From source file:org.apache.calcite.dropwizard.metrics.hadoop.HadoopMetrics2Reporter.java

License:Apache License

/**
 * Consumes the current metrics collected by dropwizard and adds them to the {@code builder}.
 *
 * @param builder A record builder//w  w w  . jav a 2 s . c o  m
 */
void snapshotAllMetrics(MetricsRecordBuilder builder) {
    // Pass through the gauges
    @SuppressWarnings("rawtypes")
    Iterator<Entry<String, Gauge>> gaugeIterator = dropwizardGauges.iterator();
    while (gaugeIterator.hasNext()) {
        @SuppressWarnings("rawtypes")
        Entry<String, Gauge> gauge = gaugeIterator.next();
        final MetricsInfo info = Interns.info(gauge.getKey(), EMPTY_STRING);
        final Object o = gauge.getValue().getValue();

        // Figure out which gauge types metrics2 supports and call the right method
        if (o instanceof Integer) {
            builder.addGauge(info, (int) o);
        } else if (o instanceof Long) {
            builder.addGauge(info, (long) o);
        } else if (o instanceof Float) {
            builder.addGauge(info, (float) o);
        } else if (o instanceof Double) {
            builder.addGauge(info, (double) o);
        } else {
            LOG.info("Ignoring Gauge ({}) with unhandled type: {}", gauge.getKey(), o.getClass());
        }

        gaugeIterator.remove();
    }

    // Pass through the counters
    Iterator<Entry<String, Counter>> counterIterator = dropwizardCounters.iterator();
    while (counterIterator.hasNext()) {
        Entry<String, Counter> counter = counterIterator.next();
        MetricsInfo info = Interns.info(counter.getKey(), EMPTY_STRING);
        LOG.info("Adding counter {} {}", info, counter.getValue().getCount());
        builder.addCounter(info, counter.getValue().getCount());
        counterIterator.remove();
    }

    // Pass through the histograms
    Iterator<Entry<String, Histogram>> histogramIterator = dropwizardHistograms.iterator();
    while (histogramIterator.hasNext()) {
        final Entry<String, Histogram> entry = histogramIterator.next();
        final String name = entry.getKey();
        final Histogram histogram = entry.getValue();

        addSnapshot(builder, name, EMPTY_STRING, histogram.getSnapshot(), histogram.getCount());

        histogramIterator.remove();
    }

    // Pass through the meter values
    Iterator<Entry<String, Meter>> meterIterator = dropwizardMeters.iterator();
    while (meterIterator.hasNext()) {
        final Entry<String, Meter> meterEntry = meterIterator.next();
        final String name = meterEntry.getKey();
        final Meter meter = meterEntry.getValue();

        addMeter(builder, name, EMPTY_STRING, meter.getCount(), meter.getMeanRate(), meter.getOneMinuteRate(),
                meter.getFiveMinuteRate(), meter.getFifteenMinuteRate());

        meterIterator.remove();
    }

    // Pass through the timers (meter + histogram)
    Iterator<Entry<String, Timer>> timerIterator = dropwizardTimers.iterator();
    while (timerIterator.hasNext()) {
        final Entry<String, Timer> timerEntry = timerIterator.next();
        final String name = timerEntry.getKey();
        final Timer timer = timerEntry.getValue();
        final Snapshot snapshot = timer.getSnapshot();

        // Add the meter info (mean rate and rate over time windows)
        addMeter(builder, name, EMPTY_STRING, timer.getCount(), timer.getMeanRate(), timer.getOneMinuteRate(),
                timer.getFiveMinuteRate(), timer.getFifteenMinuteRate());

        // Count was already added via the meter
        addSnapshot(builder, name, EMPTY_STRING, snapshot);

        timerIterator.remove();
    }

    // Add in metadata about what the units the reported metrics are displayed using.
    builder.tag(RATE_UNIT_LABEL, getRateUnit());
    builder.tag(DURATION_UNIT_LABEL, getDurationUnit());
}

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