Examples with Record org.apache.hadoop.metrics2.util.MetricsCache.Record used on opensource projects

Example 46 with Record

use of org.apache.hadoop.metrics2.util.MetricsCache.Record in project hadoop by apache.

the class GangliaSink30 method putMetrics.

@Override
public void putMetrics(MetricsRecord record) {
    // of metrics of sparse (only on change) publish of metrics
    try {
        String recordName = record.name();
        String contextName = record.context();
        StringBuilder sb = new StringBuilder();
        sb.append(contextName);
        sb.append('.');
        sb.append(recordName);
        appendPrefix(record, sb);
        String groupName = sb.toString();
        sb.append('.');
        int sbBaseLen = sb.length();
        String type = null;
        GangliaSlope slopeFromMetric = null;
        GangliaSlope calculatedSlope = null;
        Record cachedMetrics = null;
        // reset the buffer to the beginning
        resetBuffer();
        if (!isSupportSparseMetrics()) {
            // for sending dense metrics, update metrics cache
            // and get the updated data
            cachedMetrics = metricsCache.update(record);
            if (cachedMetrics != null && cachedMetrics.metricsEntrySet() != null) {
                for (Map.Entry<String, AbstractMetric> entry : cachedMetrics.metricsEntrySet()) {
                    AbstractMetric metric = entry.getValue();
                    sb.append(metric.name());
                    String name = sb.toString();
                    // visit the metric to identify the Ganglia type and
                    // slope
                    metric.visit(gangliaMetricVisitor);
                    type = gangliaMetricVisitor.getType();
                    slopeFromMetric = gangliaMetricVisitor.getSlope();
                    GangliaConf gConf = getGangliaConfForMetric(name);
                    calculatedSlope = calculateSlope(gConf, slopeFromMetric);
                    // send metric to Ganglia
                    emitMetric(groupName, name, type, metric.value().toString(), gConf, calculatedSlope);
                    // reset the length of the buffer for next iteration
                    sb.setLength(sbBaseLen);
                }
            }
        } else {
            // we support sparse updates
            Collection<AbstractMetric> metrics = (Collection<AbstractMetric>) record.metrics();
            if (metrics.size() > 0) {
                // we got metrics. so send the latest
                for (AbstractMetric metric : record.metrics()) {
                    sb.append(metric.name());
                    String name = sb.toString();
                    // visit the metric to identify the Ganglia type and
                    // slope
                    metric.visit(gangliaMetricVisitor);
                    type = gangliaMetricVisitor.getType();
                    slopeFromMetric = gangliaMetricVisitor.getSlope();
                    GangliaConf gConf = getGangliaConfForMetric(name);
                    calculatedSlope = calculateSlope(gConf, slopeFromMetric);
                    // send metric to Ganglia
                    emitMetric(groupName, name, type, metric.value().toString(), gConf, calculatedSlope);
                    // reset the length of the buffer for next iteration
                    sb.setLength(sbBaseLen);
                }
            }
        }
    } catch (IOException io) {
        throw new MetricsException("Failed to putMetrics", io);
    }
}

Example 47 with Record

use of org.apache.hadoop.metrics2.util.MetricsCache.Record in project hadoop by apache.

the class FileSink method putMetrics.

@Override
public void putMetrics(MetricsRecord record) {
    writer.print(record.timestamp());
    writer.print(" ");
    writer.print(record.context());
    writer.print(".");
    writer.print(record.name());
    String separator = ": ";
    for (MetricsTag tag : record.tags()) {
        writer.print(separator);
        separator = ", ";
        writer.print(tag.name());
        writer.print("=");
        writer.print(tag.value());
    }
    for (AbstractMetric metric : record.metrics()) {
        writer.print(separator);
        separator = ", ";
        writer.print(metric.name());
        writer.print("=");
        writer.print(metric.value());
    }
    writer.println();
}

Example 48 with Record

use of org.apache.hadoop.metrics2.util.MetricsCache.Record in project hadoop by apache.

the class MetricsAsserts method getMetrics.

/**
 * Call getMetrics on source and get a record builder mock to verify
 * @param source  the metrics source
 * @param all     if true, return all metrics even if not changed
 * @return the record builder mock to verify
 */
public static MetricsRecordBuilder getMetrics(MetricsSource source, boolean all) {
    MetricsRecordBuilder rb = mockMetricsRecordBuilder();
    MetricsCollector mc = rb.parent();
    source.getMetrics(mc, all);
    return rb;
}