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

Example 81 with MetricsRecordBuilder

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

the class TestMutableMetrics method testMutableRatesWithAggregationSingleThread.

@Test
public void testMutableRatesWithAggregationSingleThread() {
    MutableRatesWithAggregation rates = new MutableRatesWithAggregation();
    rates.add("foo", 1);
    rates.add("bar", 5);
    MetricsRecordBuilder rb = mockMetricsRecordBuilder();
    rates.snapshot(rb, false);
    assertCounter("FooNumOps", 1L, rb);
    assertGauge("FooAvgTime", 1.0, rb);
    assertCounter("BarNumOps", 1L, rb);
    assertGauge("BarAvgTime", 5.0, rb);
    rates.add("foo", 1);
    rates.add("foo", 3);
    rates.add("bar", 6);
    rb = mockMetricsRecordBuilder();
    rates.snapshot(rb, false);
    assertCounter("FooNumOps", 3L, rb);
    assertGauge("FooAvgTime", 2.0, rb);
    assertCounter("BarNumOps", 2L, rb);
    assertGauge("BarAvgTime", 6.0, rb);
}

Example 82 with MetricsRecordBuilder

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

the class TestMutableMetrics method testSnapshot.

/**
   * Test the snapshot method
   */
@Test
public void testSnapshot() {
    MetricsRecordBuilder mb = mockMetricsRecordBuilder();
    MetricsRegistry registry = new MetricsRegistry("test");
    registry.newCounter("c1", "int counter", 1);
    registry.newCounter("c2", "long counter", 2L);
    registry.newGauge("g1", "int gauge", 3);
    registry.newGauge("g2", "long gauge", 4L);
    registry.newStat("s1", "stat", "Ops", "Time", true).add(0);
    registry.newRate("s2", "stat", false).add(0);
    registry.snapshot(mb, true);
    MutableStat s2 = (MutableStat) registry.get("s2");
    // should get the same back.
    s2.snapshot(mb, true);
    s2.add(1);
    // should get new interval values back
    s2.snapshot(mb, true);
    verify(mb).addCounter(info("c1", "int counter"), 1);
    verify(mb).addCounter(info("c2", "long counter"), 2L);
    verify(mb).addGauge(info("g1", "int gauge"), 3);
    verify(mb).addGauge(info("g2", "long gauge"), 4L);
    verify(mb).addCounter(info("S1NumOps", "Number of ops for stat"), 1L);
    verify(mb).addGauge(eq(info("S1AvgTime", "Average time for stat")), eq(0.0, EPSILON));
    verify(mb).addGauge(eq(info("S1StdevTime", "Standard deviation of time for stat")), eq(0.0, EPSILON));
    verify(mb).addGauge(eq(info("S1IMinTime", "Interval min time for stat")), eq(0.0, EPSILON));
    verify(mb).addGauge(eq(info("S1IMaxTime", "Interval max time for stat")), eq(0.0, EPSILON));
    verify(mb).addGauge(eq(info("S1MinTime", "Min time for stat")), eq(0.0, EPSILON));
    verify(mb).addGauge(eq(info("S1MaxTime", "Max time for stat")), eq(0.0, EPSILON));
    verify(mb).addGauge(eq(info("S1INumOps", "Interval number of ops for stat")), eq(1L));
    verify(mb, times(2)).addCounter(info("S2NumOps", "Number of ops for stat"), 1L);
    verify(mb, times(2)).addGauge(eq(info("S2AvgTime", "Average time for stat")), eq(0.0, EPSILON));
    verify(mb).addCounter(info("S2NumOps", "Number of ops for stat"), 2L);
    verify(mb).addGauge(eq(info("S2AvgTime", "Average time for stat")), eq(1.0, EPSILON));
    // Add one more sample to s1 and verify that total number of ops
    // has increased to 2, but interval number is 1 for both intervals.
    MutableStat s1 = (MutableStat) registry.get("s1");
    s1.add(0);
    registry.snapshot(mb, true);
    verify(mb).addCounter(info("S1NumOps", "Number of ops for stat"), 2L);
    verify(mb, times(2)).addGauge(eq(info("S1INumOps", "Interval number of ops for stat")), eq(1L));
}

Example 83 with MetricsRecordBuilder

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

the class TestRollingAverages method testRollingAveragesEmptyRollover.

/**
   * Tests if the results are correct if no samples are inserted, dry run of
   * empty roll over.
   */
@Test(timeout = 30000)
public void testRollingAveragesEmptyRollover() throws Exception {
    final MetricsRecordBuilder rb = mockMetricsRecordBuilder();
    /* 5s interval and 2 windows */
    try (final RollingAverages rollingAverages = new RollingAverages(5000, 2)) {
        /* Check it initially */
        rollingAverages.snapshot(rb, true);
        verify(rb, never()).addGauge(info("FooRollingAvgTime", "Rolling average time for foo"), (long) 0);
        verify(rb, never()).addGauge(info("BarAvgTime", "Rolling average time for bar"), (long) 0);
        /* sleep 6s longer than 5s interval to wait for rollover done */
        Thread.sleep(6000);
        rollingAverages.snapshot(rb, false);
        verify(rb, never()).addGauge(info("FooRollingAvgTime", "Rolling average time for foo"), (long) 0);
        verify(rb, never()).addGauge(info("BarAvgTime", "Rolling average time for bar"), (long) 0);
    }
}

Example 84 with MetricsRecordBuilder

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

the class TestJvmMetrics method testPresence.

@Test
public void testPresence() {
    pauseMonitor = new JvmPauseMonitor();
    pauseMonitor.init(new Configuration());
    pauseMonitor.start();
    JvmMetrics jvmMetrics = new JvmMetrics("test", "test");
    jvmMetrics.setPauseMonitor(pauseMonitor);
    MetricsRecordBuilder rb = getMetrics(jvmMetrics);
    MetricsCollector mc = rb.parent();
    verify(mc).addRecord(JvmMetrics);
    verify(rb).tag(ProcessName, "test");
    verify(rb).tag(SessionId, "test");
    for (JvmMetricsInfo info : JvmMetricsInfo.values()) {
        if (info.name().startsWith("Mem"))
            verify(rb).addGauge(eq(info), anyFloat());
        else if (info.name().startsWith("Gc"))
            verify(rb).addCounter(eq(info), anyLong());
        else if (info.name().startsWith("Threads"))
            verify(rb).addGauge(eq(info), anyInt());
        else if (info.name().startsWith("Log"))
            verify(rb).addCounter(eq(info), anyLong());
    }
}

Example 85 with MetricsRecordBuilder

use of org.apache.hadoop.metrics2.MetricsRecordBuilder 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 verifyÏ
   */
public static MetricsRecordBuilder getMetrics(MetricsSource source, boolean all) {
    MetricsRecordBuilder rb = mockMetricsRecordBuilder();
    MetricsCollector mc = rb.parent();
    source.getMetrics(mc, all);
    return rb;
}