Examples with Counter com.codahale.metrics.Counter used on opensource projects

Example 16 with Counter

use of com.codahale.metrics.Counter in project lucene-solr by apache.

the class MetricUtilsTest method testMetrics.

@Test
public void testMetrics() throws Exception {
    MetricRegistry registry = new MetricRegistry();
    Counter counter = registry.counter("counter");
    counter.inc();
    Timer timer = registry.timer("timer");
    Timer.Context ctx = timer.time();
    Thread.sleep(150);
    ctx.stop();
    Meter meter = registry.meter("meter");
    meter.mark();
    Histogram histogram = registry.histogram("histogram");
    histogram.update(10);
    AggregateMetric am = new AggregateMetric();
    registry.register("aggregate", am);
    am.set("foo", 10);
    am.set("bar", 1);
    am.set("bar", 2);
    Gauge<String> gauge = () -> "foobar";
    registry.register("gauge", gauge);
    Gauge<Long> error = () -> {
        throw new InternalError("Memory Pool not found error");
    };
    registry.register("memory.expected.error", error);
    MetricUtils.toMaps(registry, Collections.singletonList(MetricFilter.ALL), MetricFilter.ALL, MetricUtils.PropertyFilter.ALL, false, false, false, false, (k, o) -> {
        Map v = (Map) o;
        if (k.startsWith("counter")) {
            assertEquals(1L, v.get("count"));
        } else if (k.startsWith("gauge")) {
            assertEquals("foobar", v.get("value"));
        } else if (k.startsWith("timer")) {
            assertEquals(1L, v.get("count"));
            assertTrue(((Number) v.get("min_ms")).intValue() > 100);
        } else if (k.startsWith("meter")) {
            assertEquals(1L, v.get("count"));
        } else if (k.startsWith("histogram")) {
            assertEquals(1L, v.get("count"));
        } else if (k.startsWith("aggregate")) {
            assertEquals(2, v.get("count"));
            Map<String, Object> values = (Map<String, Object>) v.get("values");
            assertNotNull(values);
            assertEquals(2, values.size());
            Map<String, Object> update = (Map<String, Object>) values.get("foo");
            assertEquals(10, update.get("value"));
            assertEquals(1, update.get("updateCount"));
            update = (Map<String, Object>) values.get("bar");
            assertEquals(2, update.get("value"));
            assertEquals(2, update.get("updateCount"));
        } else if (k.startsWith("memory.expected.error")) {
            assertNull(v);
        }
    });
    // test compact format
    MetricUtils.toMaps(registry, Collections.singletonList(MetricFilter.ALL), MetricFilter.ALL, MetricUtils.PropertyFilter.ALL, false, false, true, false, (k, o) -> {
        if (k.startsWith("counter")) {
            assertTrue(o instanceof Long);
            assertEquals(1L, o);
        } else if (k.startsWith("gauge")) {
            assertTrue(o instanceof String);
            assertEquals("foobar", o);
        } else if (k.startsWith("timer")) {
            assertTrue(o instanceof Map);
            Map v = (Map) o;
            assertEquals(1L, v.get("count"));
            assertTrue(((Number) v.get("min_ms")).intValue() > 100);
        } else if (k.startsWith("meter")) {
            assertTrue(o instanceof Map);
            Map v = (Map) o;
            assertEquals(1L, v.get("count"));
        } else if (k.startsWith("histogram")) {
            assertTrue(o instanceof Map);
            Map v = (Map) o;
            assertEquals(1L, v.get("count"));
        } else if (k.startsWith("aggregate")) {
            assertTrue(o instanceof Map);
            Map v = (Map) o;
            assertEquals(2, v.get("count"));
            Map<String, Object> values = (Map<String, Object>) v.get("values");
            assertNotNull(values);
            assertEquals(2, values.size());
            Map<String, Object> update = (Map<String, Object>) values.get("foo");
            assertEquals(10, update.get("value"));
            assertEquals(1, update.get("updateCount"));
            update = (Map<String, Object>) values.get("bar");
            assertEquals(2, update.get("value"));
            assertEquals(2, update.get("updateCount"));
        } else if (k.startsWith("memory.expected.error")) {
            assertNull(o);
        } else {
            Map v = (Map) o;
            assertEquals(1L, v.get("count"));
        }
    });
}

Example 17 with Counter

use of com.codahale.metrics.Counter in project lucene-solr by apache.

the class SolrJmxReporterTest method testReportMetrics.

@Test
public void testReportMetrics() throws Exception {
    Random random = random();
    Map<String, Counter> registered = new HashMap<>();
    String scope = SolrMetricTestUtils.getRandomScope(random, true);
    SolrInfoBean.Category category = SolrMetricTestUtils.getRandomCategory(random, true);
    int iterations = TestUtil.nextInt(random, 0, MAX_ITERATIONS);
    for (int i = 0; i < iterations; ++i) {
        Map<String, Counter> metrics = SolrMetricTestUtils.getRandomMetricsWithReplacements(random, registered);
        SolrMetricProducer producer = SolrMetricTestUtils.getProducerOf(metricManager, category, scope, metrics);
        coreMetricManager.registerMetricProducer(scope, producer);
        registered.putAll(metrics);
        //waitForListener();
        Set<ObjectInstance> objects = mBeanServer.queryMBeans(null, null);
        assertEquals(registered.size(), objects.stream().filter(o -> scope.equals(o.getObjectName().getKeyProperty("scope")) && rootName.equals(o.getObjectName().getDomain())).count());
    }
}

Example 18 with Counter

use of com.codahale.metrics.Counter in project lucene-solr by apache.

the class SolrMetricTestUtils method getRandomMetricsWithReplacements.

public static Map<String, Counter> getRandomMetricsWithReplacements(Random random, Map<String, Counter> existing) {
    HashMap<String, Counter> metrics = new HashMap<>();
    ArrayList<String> existingKeys = new ArrayList<>(existing.keySet());
    int numMetrics = TestUtil.nextInt(random, 1, MAX_ITERATIONS);
    for (int i = 0; i < numMetrics; ++i) {
        boolean shouldReplaceMetric = !existing.isEmpty() && random.nextBoolean();
        String name = shouldReplaceMetric ? existingKeys.get(TestUtil.nextInt(random, 0, existingKeys.size() - 1)) : // must be simple string for JMX publishing
        TestUtil.randomSimpleString(random, 5, 10) + SUFFIX;
        Counter counter = new Counter();
        counter.inc(random.nextLong());
        metrics.put(name, counter);
    }
    return metrics;
}

Example 19 with Counter

use of com.codahale.metrics.Counter in project lucene-solr by apache.

the class SolrCoreMetricManagerTest method testRegisterMetricsWithReplacements.

@Test
public void testRegisterMetricsWithReplacements() {
    Random random = random();
    Map<String, Counter> registered = new HashMap<>();
    String scope = SolrMetricTestUtils.getRandomScope(random, true);
    SolrInfoBean.Category category = SolrMetricTestUtils.getRandomCategory(random, true);
    int iterations = TestUtil.nextInt(random, 0, MAX_ITERATIONS);
    for (int i = 0; i < iterations; ++i) {
        Map<String, Counter> metrics = SolrMetricTestUtils.getRandomMetricsWithReplacements(random, registered);
        if (metrics.isEmpty()) {
            continue;
        }
        SolrMetricProducer producer = SolrMetricTestUtils.getProducerOf(metricManager, category, scope, metrics);
        coreMetricManager.registerMetricProducer(scope, producer);
        registered.putAll(metrics);
        assertRegistered(scope, registered, coreMetricManager);
    }
}

Example 20 with Counter

use of com.codahale.metrics.Counter in project lucene-solr by apache.

the class SolrCoreMetricManagerTest method testRegisterMetrics.

@Test
public void testRegisterMetrics() {
    Random random = random();
    String scope = SolrMetricTestUtils.getRandomScope(random);
    SolrInfoBean.Category category = SolrMetricTestUtils.getRandomCategory(random);
    Map<String, Counter> metrics = SolrMetricTestUtils.getRandomMetrics(random);
    SolrMetricProducer producer = SolrMetricTestUtils.getProducerOf(metricManager, category, scope, metrics);
    try {
        coreMetricManager.registerMetricProducer(scope, producer);
        assertNotNull(scope);
        assertNotNull(category);
        assertRegistered(scope, metrics, coreMetricManager);
    } catch (final IllegalArgumentException e) {
        assertTrue("expected at least one null but got: scope=" + scope + ", category=" + category, (scope == null || category == null));
        assertRegistered(scope, new HashMap<>(), coreMetricManager);
    }
}