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

Introduction

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

Prototype

public abstract MetricsRecordBuilder add(AbstractMetric metric);

Source Link

Document

Add a pre-made immutable metric object

Usage

From source file:com.alibaba.wasp.metrics.DynamicMetricsRegistry.java

License:Apache License

/**
 * Sample all the mutable metrics and put the snapshot in the builder
 * @param builder to contain the metrics snapshot
 * @param all get all the metrics even if the values are not changed.
 *///  www.j a v a2  s  .com
public void snapshot(MetricsRecordBuilder builder, boolean all) {

    for (Entry<String, MetricsTag> entry : tags()) {
        builder.add(entry.getValue());
    }
    for (Entry<String, MetricMutable> entry : metrics()) {
        entry.getValue().snapshot(builder, all);
    }
}

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From source file:org.apache.phoenix.trace.TraceMetricSource.java

License:Apache License

@Override
public void getMetrics(MetricsCollector collector, boolean all) {
    // add a marker record so we know how many spans are used
    // this is also necessary to ensure that we register the metrics source as an MBean (avoiding a
    // runtime warning)
    MetricsRecordBuilder marker = collector.addRecord(TracingUtils.METRICS_MARKER_CONTEXT);
    marker.add(new MetricsTag(new MetricsInfoImpl("stat", "num spans"), Integer.toString(spans.size())));

    // actually convert the known spans into metric records as well
    synchronized (this) {
        for (Metric span : spans) {
            MetricsRecordBuilder builder = collector
                    .addRecord(new MetricsInfoImpl(TracingUtils.getTraceMetricName(span.id), span.desc));
            builder.setContext(TracingUtils.METRICS_CONTEXT);
            for (Pair<MetricsInfo, Long> metric : span.counters) {
                builder.addCounter(metric.getFirst(), metric.getSecond());
            }//from  w  w  w.j  av  a2  s.  c o m
            for (MetricsTag tag : span.tags) {
                builder.add(tag);
            }
        }
        // reset the spans so we don't keep a big chunk of memory around
        spans = new ArrayList<Metric>();
    }
}

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