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

Example 21 with Record

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

the class TestMetricsCache method testUpdate.

@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", // different tag value
    Arrays.asList(makeTag("t", "tv3")), Arrays.asList(makeMetric("m3", 3)));
    // should get a new record
    cr = cache.update(mr3);
    assertEquals("contains 1 metric", 1, cr.metrics().size());
    checkMetricValue("updated metric value", cr, "m3", 3);
    // tags cache should be empty so far
    assertEquals("no tags", 0, cr.tags().size());
    // until now
    cr = cache.update(mr3, true);
    assertEquals("Got 1 tag", 1, cr.tags().size());
    assertEquals("Tag value", "tv3", cr.getTag("t"));
    checkMetricValue("Metric value", cr, "m3", 3);
}

Example 22 with Record

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

the class TestMetricsCache method testGet.

@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);
}

Example 23 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 verifyÏ
   */
public static MetricsRecordBuilder getMetrics(MetricsSource source, boolean all) {
    MetricsRecordBuilder rb = mockMetricsRecordBuilder();
    MetricsCollector mc = rb.parent();
    source.getMetrics(mc, all);
    return rb;
}

Example 24 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 25 with Record

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

the class TestGangliaMetrics method testTagsForPrefix.

@Test
public void testTagsForPrefix() throws Exception {
    ConfigBuilder cb = new ConfigBuilder().add(testNamePrefix + ".sink.ganglia.tagsForPrefix.all", "*").add(testNamePrefix + ".sink.ganglia.tagsForPrefix.some", "NumActiveSinks, " + "NumActiveSources").add(testNamePrefix + ".sink.ganglia.tagsForPrefix.none", "");
    GangliaSink30 sink = new GangliaSink30();
    sink.init(cb.subset(testNamePrefix + ".sink.ganglia"));
    List<MetricsTag> tags = new ArrayList<MetricsTag>();
    tags.add(new MetricsTag(MsInfo.Context, "all"));
    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());
    tags.set(0, new MetricsTag(MsInfo.Context, "some"));
    sb = new StringBuilder();
    sink.appendPrefix(record, sb);
    assertEquals(".NumActiveSources=foo.NumActiveSinks=bar", sb.toString());
    tags.set(0, new MetricsTag(MsInfo.Context, "none"));
    sb = new StringBuilder();
    sink.appendPrefix(record, sb);
    assertEquals("", sb.toString());
    tags.set(0, new MetricsTag(MsInfo.Context, "nada"));
    sb = new StringBuilder();
    sink.appendPrefix(record, sb);
    assertEquals("", sb.toString());
}