Examples with MetricsRecordBuilder org.apache.hadoop.metrics2.MetricsRecordBuilder used on opensource projects

Example 71 with MetricsRecordBuilder

use of org.apache.hadoop.metrics2.MetricsRecordBuilder in project hadoop by apache.

the class TestMetricsAnnotations method testClasses.

@Test
public void testClasses() {
    MetricsRecordBuilder rb = getMetrics(MetricsAnnotations.makeSource(new MyMetrics3()));
    MetricsCollector collector = rb.parent();
    verify(collector).addRecord(info("MyMetrics3", "My metrics"));
    verify(rb).add(tag(MsInfo.Context, "foo"));
}

Example 72 with MetricsRecordBuilder

use of org.apache.hadoop.metrics2.MetricsRecordBuilder in project hadoop by apache.

the class TestMetricsRegistry method testAddByName.

/**
   * Test the add by name method
   */
@Test
public void testAddByName() {
    MetricsRecordBuilder rb = mockMetricsRecordBuilder();
    final MetricsRegistry r = new MetricsRegistry("test");
    r.add("s1", 42);
    r.get("s1").snapshot(rb);
    verify(rb).addCounter(info("S1NumOps", "Number of ops for s1"), 1L);
    verify(rb).addGauge(info("S1AvgTime", "Average time for s1"), 42.0);
    r.newCounter("c1", "test add", 1);
    r.newGauge("g1", "test add", 1);
    expectMetricsException("Unsupported add", new Runnable() {

        @Override
        public void run() {
            r.add("c1", 42);
        }
    });
    expectMetricsException("Unsupported add", new Runnable() {

        @Override
        public void run() {
            r.add("g1", 42);
        }
    });
}

Example 73 with MetricsRecordBuilder

use of org.apache.hadoop.metrics2.MetricsRecordBuilder in project hadoop by apache.

the class TestMutableMetrics method testMutableRates.

@Test
public void testMutableRates() {
    MetricsRecordBuilder rb = mockMetricsRecordBuilder();
    MetricsRegistry registry = new MetricsRegistry("test");
    MutableRates rates = new MutableRates(registry);
    rates.init(TestProtocol.class);
    registry.snapshot(rb, false);
    assertCounter("FooNumOps", 0L, rb);
    assertGauge("FooAvgTime", 0.0, rb);
    assertCounter("BarNumOps", 0L, rb);
    assertGauge("BarAvgTime", 0.0, rb);
}

Example 74 with MetricsRecordBuilder

use of org.apache.hadoop.metrics2.MetricsRecordBuilder in project hadoop by apache.

the class TestMutableMetrics method testMutableQuantilesError.

/**
   * Ensure that quantile estimates from {@link MutableQuantiles} are within
   * specified error bounds.
   */
@Test(timeout = 30000)
public void testMutableQuantilesError() throws Exception {
    MetricsRecordBuilder mb = mockMetricsRecordBuilder();
    MetricsRegistry registry = new MetricsRegistry("test");
    // Use a 5s rollover period
    MutableQuantiles quantiles = registry.newQuantiles("foo", "stat", "Ops", "Latency", 5);
    // Push some values in and wait for it to publish
    long start = System.nanoTime() / 1000000;
    for (long i = 1; i <= 1000; i++) {
        quantiles.add(i);
        quantiles.add(1001 - i);
    }
    long end = System.nanoTime() / 1000000;
    Thread.sleep(6000 - (end - start));
    registry.snapshot(mb, false);
    // Print out the snapshot
    Map<Quantile, Long> previousSnapshot = quantiles.previousSnapshot;
    for (Entry<Quantile, Long> item : previousSnapshot.entrySet()) {
        System.out.println(String.format("Quantile %.2f has value %d", item.getKey().quantile, item.getValue()));
    }
    // Verify the results are within our requirements
    verify(mb).addGauge(info("FooNumOps", "Number of ops for stat with 5s interval"), (long) 2000);
    Quantile[] quants = MutableQuantiles.quantiles;
    String name = "Foo%dthPercentileLatency";
    String desc = "%d percentile latency with 5 second interval for stat";
    for (Quantile q : quants) {
        int percentile = (int) (100 * q.quantile);
        int error = (int) (1000 * q.error);
        String n = String.format(name, percentile);
        String d = String.format(desc, percentile);
        long expected = (long) (q.quantile * 1000);
        verify(mb).addGauge(eq(info(n, d)), leq(expected + error));
        verify(mb).addGauge(eq(info(n, d)), geq(expected - error));
    }
}

Example 75 with MetricsRecordBuilder

use of org.apache.hadoop.metrics2.MetricsRecordBuilder in project hadoop by apache.

the class TestMutableMetrics method testMutableStatWithBulkAdd.

/**
   * Tests that when using {@link MutableStat#add(long, long)}, even with a high
   * sample count, the mean does not lose accuracy.
   */
@Test
public void testMutableStatWithBulkAdd() {
    MetricsRecordBuilder rb = mockMetricsRecordBuilder();
    MetricsRegistry registry = new MetricsRegistry("test");
    MutableStat stat = registry.newStat("Test", "Test", "Ops", "Val", false);
    stat.add(1000, 1000);
    stat.add(1000, 2000);
    registry.snapshot(rb, false);
    assertCounter("TestNumOps", 2000L, rb);
    assertGauge("TestAvgVal", 1.5, rb);
}