Examples with DoubleMetric org.apache.ignite.spi.metric.DoubleMetric used on opensource projects

Example 1 with DoubleMetric

use of org.apache.ignite.spi.metric.DoubleMetric in project ignite by apache.

the class MetricsSelfTest method testDoubleMetric.

/**
 */
@Test
public void testDoubleMetric() throws Exception {
    final double[] v = new double[] { 42 };
    mreg.register("dmtest", () -> v[0], "test");
    DoubleMetric m = mreg.findMetric("dmtest");
    assertEquals(v[0], m.value(), 0);
    v[0] = 1;
    assertEquals(v[0], m.value(), 0);
}

Example 2 with DoubleMetric

use of org.apache.ignite.spi.metric.DoubleMetric in project ignite by apache.

the class SystemMetricsTest method testCpuLoadMetric.

/**
 * Checks that the process CPU load metric is positive.
 */
@Test
public void testCpuLoadMetric() {
    MetricRegistry sysReg = grid(0).context().metric().registry(GridMetricManager.SYS_METRICS);
    DoubleMetric cpuLoad = sysReg.doubleMetric(GridMetricManager.CPU_LOAD, GridMetricManager.CPU_LOAD_DESCRIPTION);
    double loadVal = cpuLoad.value();
    assertTrue("CPU Load is negative: " + loadVal, loadVal >= 0);
}

Example 3 with DoubleMetric

use of org.apache.ignite.spi.metric.DoubleMetric in project ignite by apache.

the class OpenCensusMetricExporterSpi method export.

/**
 * {@inheritDoc}
 */
@Override
public void export() {
    StatsRecorder recorder = Stats.getStatsRecorder();
    try (Scope globalScope = tagScope()) {
        MeasureMap mmap = recorder.newMeasureMap();
        mreg.forEach(mreg -> {
            if (filter != null && !filter.test(mreg))
                return;
            mreg.forEach(metric -> {
                if (metric instanceof LongMetric || metric instanceof IntMetric || metric instanceof BooleanMetric || (metric instanceof ObjectMetric && ((ObjectMetric) metric).type() == Date.class) || (metric instanceof ObjectMetric && ((ObjectMetric) metric).type() == OffsetDateTime.class)) {
                    long val;
                    if (metric instanceof LongMetric)
                        val = ((LongMetric) metric).value();
                    else if (metric instanceof IntMetric)
                        val = ((IntMetric) metric).value();
                    else if (metric instanceof BooleanMetric)
                        val = ((BooleanMetric) metric).value() ? 1 : 0;
                    else if (metric instanceof ObjectMetric && ((ObjectMetric) metric).type() == Date.class)
                        val = ((ObjectMetric<Date>) metric).value().getTime();
                    else
                        val = ((ObjectMetric<OffsetDateTime>) metric).value().toInstant().toEpochMilli();
                    if (val < 0) {
                        if (log.isDebugEnabled())
                            log.debug("OpenCensus doesn't support negative values. Skip record of " + metric.name());
                        return;
                    }
                    MeasureLong msr = (MeasureLong) measures.computeIfAbsent(metric.name(), k -> createMeasure(metric, CREATE_LONG));
                    mmap.put(msr, val);
                } else if (metric instanceof DoubleMetric) {
                    double val = ((DoubleMetric) metric).value();
                    if (val < 0) {
                        if (log.isDebugEnabled())
                            log.debug("OpenCensus doesn't support negative values. Skip record of " + metric.name());
                        return;
                    }
                    MeasureDouble msr = (MeasureDouble) measures.computeIfAbsent(metric.name(), k -> createMeasure(metric, CREATE_DOUBLE));
                    mmap.put(msr, val);
                } else if (metric instanceof HistogramMetric) {
                    String[] names = histogramBucketNames((HistogramMetric) metric);
                    long[] vals = ((HistogramMetric) metric).value();
                    assert names.length == vals.length;
                    for (int i = 0; i < vals.length; i++) {
                        String name = names[i];
                        MeasureLong msr = (MeasureLong) measures.computeIfAbsent(name, k -> createMeasureLong(name, metric.description()));
                        mmap.put(msr, vals[i]);
                    }
                } else if (log.isDebugEnabled()) {
                    log.debug(metric.name() + "[" + metric.getClass() + "] not supported by Opencensus exporter");
                }
            });
        });
        mmap.record();
    }
}