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

Introduction

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

Prototype

public abstract MetricsRecordBuilder setContext(String value);

Source Link

Document

Set the context tag

Usage

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

License:Apache License

@Override
public void getMetrics(MetricsCollector collector, boolean all) {
    MetricsRecordBuilder builder = collector.addRecord(recordName);
    if (null != context) {
        builder.setContext(context);
    }// w  ww.ja va  2s  .  c  o  m

    // Synchronizing here ensures that the dropwizard metrics collection side is excluded from executing
    // at the same time we are pulling elements from the queues.
    synchronized (this) {
        snapshotAllMetrics(builder);
    }

    metrics2Registry.snapshot(builder, all);
}

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

License:Apache License

@Override
public void getMetrics(MetricsCollector collector, boolean all) {
    MetricsRecordBuilder builder = collector.addRecord(recordName);
    if (null != context) {
        builder.setContext(context);
    }/*from   w  ww  .  ja va 2s . com*/

    snapshotAllMetrics(builder);

    metrics2Registry.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  ww w.ja  va  2 s .co  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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