Package org.apache.hadoop.metrics2

Examples of org.apache.hadoop.metrics2.MetricsRecord

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  }


  private void checkMetricsRecords(List<MetricsRecord> recs) {
    LOG.debug(recs);
    MetricsRecord r = recs.get(0);
    assertEquals("name", "s1rec", r.name());
    assertEquals("tags", new MetricsTag[] {
      tag(MsInfo.Context, "test"),
      tag(MsInfo.Hostname, hostname)}, r.tags());
    assertEquals("metrics", MetricsLists.builder("")
      .addCounter(info("C1", "C1 desc"), 1L)
      .addGauge(info("G1", "G1 desc"), 2L)
      .addCounter(info("S1NumOps", "Number of ops for s1"), 1L)
      .addGauge(info("S1AvgTime", "Average time for s1"), 0.0)
      .metrics(), r.metrics());

    r = recs.get(1);
    assertTrue("NumActiveSinks should be 3", Iterables.contains(r.metrics(),
               new MetricGaugeInt(MsInfo.NumActiveSinks, 3)));
  }
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    }
  }

  static void checkMetricsRecords(List<MetricsRecord> recs, String expected) {
    LOG.debug(recs);
    MetricsRecord r = recs.get(0);
    assertEquals("name", expected, r.name());
    assertEquals("tags", new MetricsTag[] {
      new MetricsTag("context", "Metrics context", "test"),
      new MetricsTag("hostName", "Local hostname", hostname)}, r.tags());
    assertEquals("metrics", new Metric[] {
      new MetricCounterLong("c1", "c1 desc", 1),
      new MetricGaugeLong("g1", "g1 desc", 2),
      new MetricCounterLong("s1_num_ops", "Number of ops for s1 desc", 1),
      new MetricGaugeDouble("s1_avg_time", "Average time for s1 desc", 0)},
      r.metrics());

    // Skip the system metrics for now.
    // MetricsRecord r1 = recs.get(1);
  }
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public class TestMetricsCache {
  private static final Log LOG = LogFactory.getLog(TestMetricsCache.class);

  @Test public void testUpdate() {
    MetricsCache cache = new MetricsCache();
    MetricsRecord mr = makeRecord("r",
        Arrays.asList(makeTag("t", "tv")),
        Arrays.asList(makeMetric("m", 0), makeMetric("m1", 1)));

    MetricsCache.Record cr = cache.update(mr);
    verify(mr).name();
    verify(mr).tags();
    verify(mr).metrics();
    assertEquals("same record size", cr.metrics.size(),
                 ((Collection<Metric>)mr.metrics()).size());
    assertEquals("same metric value", 0, cr.getMetric("m"));

    MetricsRecord mr2 = makeRecord("r",
        Arrays.asList(makeTag("t", "tv")),
        Arrays.asList(makeMetric("m", 2), makeMetric("m2", 42)));
    cr = cache.update(mr2);
    assertEquals("contains 3 metric", 3, cr.metrics.size());
    assertEquals("updated metric value", 2, cr.getMetric("m"));
    assertEquals("old metric value", 1, cr.getMetric("m1"));
    assertEquals("new metric value", 42, cr.getMetric("m2"));

    MetricsRecord mr3 = makeRecord("r",
        Arrays.asList(makeTag("t", "tv3")), // different tag value
        Arrays.asList(makeMetric("m3", 3)));
    cr = cache.update(mr3); // should get a new record
    assertEquals("contains 1 metric", 1, cr.metrics.size());
    assertEquals("updated metric value", 3, cr.getMetric("m3"));
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  }

  @Test public void testGet() {
    MetricsCache cache = new MetricsCache();
    assertNull("empty", cache.get("r", Arrays.asList(makeTag("t", "t"))));
    MetricsRecord mr = makeRecord("r",
        Arrays.asList(makeTag("t", "t")),
        Arrays.asList(makeMetric("m", 1)));
    cache.update(mr);
    MetricsCache.Record cr = cache.get("r", (Collection<MetricsTag>)mr.tags());
    LOG.debug("tags="+ (Collection<MetricsTag>)mr.tags() +" cr="+ cr);

    assertNotNull("Got record", cr);
    assertEquals("contains 1 metric", 1, cr.metrics.size());
    assertEquals("new metric value", 1, cr.getMetric("m"));
  }
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    assertEquals("new metric value", 1, cr.getMetric("m"));
  }

  private MetricsRecord makeRecord(String name, Collection<MetricsTag> tags,
                                   Collection<Metric> metrics) {
    MetricsRecord mr = mock(MetricsRecord.class);
    when(mr.name()).thenReturn(name);
    when(mr.tags()).thenReturn(tags);
    when(mr.metrics()).thenReturn(metrics);
    return mr;
  }
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    String hostnameValue = "host-name.value";
    MetricsTag hostname = new MetricsTag(new ExposedMetricsInfoImpl(MetricInfo.HOSTNAME.traceName,
        ""), hostnameValue);
    final List<MetricsTag> tags = Lists.newArrayList(hostname, tag);

    MetricsRecord record = new ExposedMetricsRecordImpl(info, System.currentTimeMillis(), tags,
        metrics);

    // setup the mocking/validation for the sink
    Mockito.doAnswer(new Answer<Void>() {

      @Override
      public Void answer(InvocationOnMock invocation) throws Throwable {
        PhoenixMetricsRecord record = (PhoenixMetricsRecord) invocation.getArguments()[0];
        //validate that we got the right fields in the record
        assertEquals("phoenix.987654", record.name());
        assertEquals("Some generic trace", record.description());
        int count = 0;
        for (PhoenixAbstractMetric metric : record.metrics()) {
          count++;
          //find the matching metric in the list
          boolean found = false;
          for(AbstractMetric expected : metrics){
            if(expected.name().equals(metric.getName())){
              found = true;
              // make sure the rest of the info matches
              assertEquals("Metric value mismatch", expected.value(), metric.value());
            }
          }
          assertTrue("Didn't find an expected metric to match "+metric, found);
        }
        assertEquals("Number of metrics is received is wrong", metrics.size(), count);

        count = 0;
        for (PhoenixMetricTag tag : record.tags()) {
          count++;
          // find the matching metric in the list
          boolean found = false;
          for (MetricsTag expected : tags) {
            if (expected.name().equals(tag.name())) {
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  }


  private void checkMetricsRecords(List<MetricsRecord> recs) {
    LOG.debug(recs);
    MetricsRecord r = recs.get(0);
    assertEquals("name", "s1rec", r.name());
    assertEquals("tags", new MetricsTag[] {
      tag(MsInfo.Context, "test"),
      tag(MsInfo.Hostname, hostname)}, r.tags());
    assertEquals("metrics", MetricsLists.builder("")
      .addCounter(info("C1", "C1 desc"), 1L)
      .addGauge(info("G1", "G1 desc"), 2L)
      .addCounter(info("S1NumOps", "Number of ops for s1"), 1L)
      .addGauge(info("S1AvgTime", "Average time for s1"), 0.0)
      .metrics(), r.metrics());

    r = recs.get(1);
    assertTrue("NumActiveSinks should be 3", Iterables.contains(r.metrics(),
               new MetricGaugeInt(MsInfo.NumActiveSinks, 3)));
  }
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    tags.add(new MetricsTag(MsInfo.NumActiveSources, "foo"));
    tags.add(new MetricsTag(MsInfo.NumActiveSinks, "bar"));
    tags.add(new MetricsTag(MsInfo.NumAllSinks, "haa"));
    tags.add(new MetricsTag(MsInfo.Hostname, "host"));
    Set<AbstractMetric> metrics = new HashSet<AbstractMetric>();
    MetricsRecord record = new MetricsRecordImpl(MsInfo.Context, (long) 1, tags, metrics);

    StringBuilder sb = new StringBuilder();
    sink.appendPrefix(record, sb);
    assertEquals(".NumActiveSources=foo.NumActiveSinks=bar.NumAllSinks=haa", sb.toString());
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  private static final Log LOG = LogFactory.getLog(TestMetricsCache.class);

  @SuppressWarnings("deprecation")
  @Test public void testUpdate() {
    MetricsCache cache = new MetricsCache();
    MetricsRecord mr = makeRecord("r",
        Arrays.asList(makeTag("t", "tv")),
        Arrays.asList(makeMetric("m", 0), makeMetric("m1", 1)));

    MetricsCache.Record cr = cache.update(mr);
    verify(mr).name();
    verify(mr).tags();
    verify(mr).metrics();
    assertEquals("same record size", cr.metrics().size(),
                 ((Collection<AbstractMetric>)mr.metrics()).size());
    assertEquals("same metric value", 0, cr.getMetric("m"));

    MetricsRecord mr2 = makeRecord("r",
        Arrays.asList(makeTag("t", "tv")),
        Arrays.asList(makeMetric("m", 2), makeMetric("m2", 42)));
    cr = cache.update(mr2);
    assertEquals("contains 3 metric", 3, cr.metrics().size());
    checkMetricValue("updated metric value", cr, "m", 2);
    checkMetricValue("old metric value", cr, "m1", 1);
    checkMetricValue("new metric value", cr, "m2", 42);

    MetricsRecord mr3 = makeRecord("r",
        Arrays.asList(makeTag("t", "tv3")), // different tag value
        Arrays.asList(makeMetric("m3", 3)));
    cr = cache.update(mr3); // should get a new record
    assertEquals("contains 1 metric", 1, cr.metrics().size());
    checkMetricValue("updated metric value", cr, "m3", 3);
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  @SuppressWarnings("deprecation")
  @Test public void testGet() {
    MetricsCache cache = new MetricsCache();
    assertNull("empty", cache.get("r", Arrays.asList(makeTag("t", "t"))));
    MetricsRecord mr = makeRecord("r",
        Arrays.asList(makeTag("t", "t")),
        Arrays.asList(makeMetric("m", 1)));
    cache.update(mr);
    MetricsCache.Record cr = cache.get("r", mr.tags());
    LOG.debug("tags="+ mr.tags() +" cr="+ cr);

    assertNotNull("Got record", cr);
    assertEquals("contains 1 metric", 1, cr.metrics().size());
    checkMetricValue("new metric value", cr, "m", 1);
  }
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