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

Example 51 with Counter

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

the class SolrJmxReporterTest method testReloadCore.

@Test
public void testReloadCore() throws Exception {
    Random random = random();
    String scope = SolrMetricTestUtils.getRandomScope(random, true);
    SolrInfoBean.Category category = SolrMetricTestUtils.getRandomCategory(random, true);
    Map<String, Counter> metrics = SolrMetricTestUtils.getRandomMetrics(random, true);
    SolrMetricProducer producer = SolrMetricTestUtils.getProducerOf(metricManager, category, scope, metrics);
    coreMetricManager.registerMetricProducer(scope, producer);
    Set<ObjectInstance> objects = mBeanServer.queryMBeans(null, null);
    assertEquals(metrics.size(), objects.stream().filter(o -> scope.equals(o.getObjectName().getKeyProperty("scope")) && o.getObjectName().getDomain().equals(rootName)).count());
    h.getCoreContainer().reload(h.getCore().getName());
    PluginInfo pluginInfo = createReporterPluginInfo(rootName, true);
    metricManager.loadReporter(coreMetricManager.getRegistryName(), coreMetricManager.getCore().getResourceLoader(), pluginInfo, String.valueOf(coreMetricManager.getCore().hashCode()));
    coreMetricManager.registerMetricProducer(scope, producer);
    objects = mBeanServer.queryMBeans(null, null);
    assertEquals(metrics.size(), objects.stream().filter(o -> scope.equals(o.getObjectName().getKeyProperty("scope")) && rootName.equals(o.getObjectName().getDomain())).count());
}

Example 52 with Counter

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

the class SolrMetricManagerTest method testSwapRegistries.

@Test
public void testSwapRegistries() throws Exception {
    Random r = random();
    SolrMetricManager metricManager = new SolrMetricManager();
    Map<String, Counter> metrics1 = SolrMetricTestUtils.getRandomMetrics(r, true);
    Map<String, Counter> metrics2 = SolrMetricTestUtils.getRandomMetrics(r, true);
    String fromName = "from-" + TestUtil.randomSimpleString(r, 1, 10);
    String toName = "to-" + TestUtil.randomSimpleString(r, 1, 10);
    // register test metrics
    for (Map.Entry<String, Counter> entry : metrics1.entrySet()) {
        metricManager.register(null, fromName, entry.getValue(), false, entry.getKey(), "metrics1");
    }
    for (Map.Entry<String, Counter> entry : metrics2.entrySet()) {
        metricManager.register(null, toName, entry.getValue(), false, entry.getKey(), "metrics2");
    }
    assertEquals(metrics1.size(), metricManager.registry(fromName).getMetrics().size());
    assertEquals(metrics2.size(), metricManager.registry(toName).getMetrics().size());
    // swap
    metricManager.swapRegistries(fromName, toName);
    // check metrics
    Map<String, Metric> fromMetrics = metricManager.registry(fromName).getMetrics();
    assertEquals(metrics2.size(), fromMetrics.size());
    for (Map.Entry<String, Counter> entry : metrics2.entrySet()) {
        Object value = fromMetrics.get(SolrMetricManager.mkName(entry.getKey(), "metrics2"));
        assertNotNull(value);
        assertEquals(entry.getValue(), value);
    }
    Map<String, Metric> toMetrics = metricManager.registry(toName).getMetrics();
    assertEquals(metrics1.size(), toMetrics.size());
    for (Map.Entry<String, Counter> entry : metrics1.entrySet()) {
        Object value = toMetrics.get(SolrMetricManager.mkName(entry.getKey(), "metrics1"));
        assertNotNull(value);
        assertEquals(entry.getValue(), value);
    }
}

Example 53 with Counter

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

the class SolrMetricManagerTest method testClearMetrics.

@Test
public void testClearMetrics() throws Exception {
    Random r = random();
    SolrMetricManager metricManager = new SolrMetricManager();
    Map<String, Counter> metrics = SolrMetricTestUtils.getRandomMetrics(r, true);
    String registryName = TestUtil.randomSimpleString(r, 1, 10);
    for (Map.Entry<String, Counter> entry : metrics.entrySet()) {
        metricManager.register(null, registryName, entry.getValue(), false, entry.getKey(), "foo", "bar");
    }
    for (Map.Entry<String, Counter> entry : metrics.entrySet()) {
        metricManager.register(null, registryName, entry.getValue(), false, entry.getKey(), "foo", "baz");
    }
    for (Map.Entry<String, Counter> entry : metrics.entrySet()) {
        metricManager.register(null, registryName, entry.getValue(), false, entry.getKey(), "foo");
    }
    assertEquals(metrics.size() * 3, metricManager.registry(registryName).getMetrics().size());
    // clear all metrics with prefix "foo.bar."
    Set<String> removed = metricManager.clearMetrics(registryName, "foo", "bar.");
    assertEquals(metrics.size(), removed.size());
    for (String s : removed) {
        assertTrue(s.startsWith("foo.bar."));
    }
    removed = metricManager.clearMetrics(registryName, "foo", "baz.");
    assertEquals(metrics.size(), removed.size());
    for (String s : removed) {
        assertTrue(s.startsWith("foo.baz."));
    }
    // perhaps surprisingly, this works too - see PrefixFilter docs
    removed = metricManager.clearMetrics(registryName, "fo");
    assertEquals(metrics.size(), removed.size());
    for (String s : removed) {
        assertTrue(s.startsWith("foo."));
    }
}

Example 54 with Counter

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

the class MetricUtils method convertMetric.

/**
   * Convert a single instance of metric into a map or flattened object.
   * @param n metric name
   * @param metric metric instance
   * @param propertyFilter limit what properties of a metric are returned
   * @param skipHistograms discard any {@link Histogram}-s and histogram parts of {@link Timer}-s.
   * @param skipAggregateValues discard internal values of {@link AggregateMetric}-s.
   * @param compact use compact representation for counters and gauges.
   * @param simple use simplified representation for complex metrics - instead of a (name, map)
   *             only the selected (name "." key, value) pairs will be produced.
   * @param consumer consumer that accepts produced objects
   */
static void convertMetric(String n, Metric metric, PropertyFilter propertyFilter, boolean skipHistograms, boolean skipAggregateValues, boolean compact, boolean simple, BiConsumer<String, Object> consumer) {
    if (metric instanceof Counter) {
        Counter counter = (Counter) metric;
        convertCounter(n, counter, propertyFilter, compact, consumer);
    } else if (metric instanceof Gauge) {
        Gauge gauge = (Gauge) metric;
        try {
            convertGauge(n, gauge, propertyFilter, simple, compact, consumer);
        } catch (InternalError ie) {
            if (n.startsWith("memory.") && ie.getMessage().contains("Memory Pool not found")) {
                LOG.warn("Error converting gauge '" + n + "', possible JDK bug: SOLR-10362", ie);
                consumer.accept(n, null);
            } else {
                throw ie;
            }
        }
    } else if (metric instanceof Meter) {
        Meter meter = (Meter) metric;
        convertMeter(n, meter, propertyFilter, simple, consumer);
    } else if (metric instanceof Timer) {
        Timer timer = (Timer) metric;
        convertTimer(n, timer, propertyFilter, skipHistograms, simple, consumer);
    } else if (metric instanceof Histogram) {
        if (!skipHistograms) {
            Histogram histogram = (Histogram) metric;
            convertHistogram(n, histogram, propertyFilter, simple, consumer);
        }
    } else if (metric instanceof AggregateMetric) {
        convertAggregateMetric(n, (AggregateMetric) metric, propertyFilter, skipAggregateValues, simple, consumer);
    }
}

Example 55 with Counter

use of com.codahale.metrics.Counter in project sling by apache.

the class MetricWebConsolePlugin method addCounterDetails.

private void addCounterDetails(PrintWriter pw, SortedMap<String, Counter> counters) {
    if (counters.isEmpty()) {
        return;
    }
    pw.println("<br>");
    pw.println("<div class='table'>");
    pw.println("<div class='ui-widget-header ui-corner-top buttonGroup'>Counters</div>");
    pw.println("<table class='nicetable' id='data-counters'>");
    pw.println("<thead>");
    pw.println("<tr>");
    pw.println("<th class='header'>Name</th>");
    pw.println("<th class='header'>Count</th>");
    pw.println("</tr>");
    pw.println("</thead>");
    pw.println("<tbody>");
    String rowClass = "odd";
    for (Map.Entry<String, Counter> e : counters.entrySet()) {
        Counter c = e.getValue();
        String name = e.getKey();
        pw.printf("<tr class='%s ui-state-default'>%n", rowClass);
        pw.printf("<td>%s</td>", name);
        pw.printf("<td>%d</td>", c.getCount());
        pw.println("</tr>");
        rowClass = "odd".equals(rowClass) ? "even" : "odd";
    }
    pw.println("</tbody>");
    pw.println("</table>");
    pw.println("</div>");
}