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

Example 26 with MetricRegistry

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

the class SolrMetricManager method registerAll.

/**
   * Register all metrics in the provided {@link MetricSet}, optionally skipping those that
   * already exist.
   * @param registry registry name
   * @param metrics metric set to register
   * @param force if true then already existing metrics with the same name will be replaced.
   *                     When false and a metric with the same name already exists an exception
   *                     will be thrown.
   * @param metricPath (optional) additional top-most metric name path elements
   * @throws Exception if a metric with this name already exists.
   */
public void registerAll(String registry, MetricSet metrics, boolean force, String... metricPath) throws Exception {
    MetricRegistry metricRegistry = registry(registry);
    synchronized (metricRegistry) {
        Map<String, Metric> existingMetrics = metricRegistry.getMetrics();
        for (Map.Entry<String, Metric> entry : metrics.getMetrics().entrySet()) {
            String fullName = mkName(entry.getKey(), metricPath);
            if (force && existingMetrics.containsKey(fullName)) {
                metricRegistry.remove(fullName);
            }
            metricRegistry.register(fullName, entry.getValue());
        }
    }
}

Example 27 with MetricRegistry

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

the class MetricsHandler method handleRequestBody.

@Override
public void handleRequestBody(SolrQueryRequest req, SolrQueryResponse rsp) throws Exception {
    if (container == null) {
        throw new SolrException(SolrException.ErrorCode.INVALID_STATE, "Core container instance not initialized");
    }
    boolean compact = req.getParams().getBool(COMPACT_PARAM, true);
    MetricFilter mustMatchFilter = parseMustMatchFilter(req);
    MetricUtils.PropertyFilter propertyFilter = parsePropertyFilter(req);
    List<MetricType> metricTypes = parseMetricTypes(req);
    List<MetricFilter> metricFilters = metricTypes.stream().map(MetricType::asMetricFilter).collect(Collectors.toList());
    Set<String> requestedRegistries = parseRegistries(req);
    NamedList response = new SimpleOrderedMap();
    for (String registryName : requestedRegistries) {
        MetricRegistry registry = metricManager.registry(registryName);
        SimpleOrderedMap result = new SimpleOrderedMap();
        MetricUtils.toMaps(registry, metricFilters, mustMatchFilter, propertyFilter, false, false, compact, false, (k, v) -> result.add(k, v));
        if (result.size() > 0) {
            response.add(registryName, result);
        }
    }
    rsp.getValues().add("metrics", response);
}

Example 28 with MetricRegistry

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

the class MetricUtils method toMaps.

/**
   * Convert selected metrics to maps or to flattened objects.
   * @param registry source of metrics
   * @param shouldMatchFilters metrics must match any of these filters
   * @param mustMatchFilter metrics must match this filter
   * @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
   */
public static void toMaps(MetricRegistry registry, List<MetricFilter> shouldMatchFilters, MetricFilter mustMatchFilter, PropertyFilter propertyFilter, boolean skipHistograms, boolean skipAggregateValues, boolean compact, boolean simple, BiConsumer<String, Object> consumer) {
    final Map<String, Metric> metrics = registry.getMetrics();
    final SortedSet<String> names = registry.getNames();
    names.stream().filter(s -> shouldMatchFilters.stream().anyMatch(metricFilter -> metricFilter.matches(s, metrics.get(s)))).filter(s -> mustMatchFilter.matches(s, metrics.get(s))).forEach(n -> {
        Metric metric = metrics.get(n);
        convertMetric(n, metric, propertyFilter, skipHistograms, skipAggregateValues, compact, simple, consumer);
    });
}

Example 29 with MetricRegistry

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

the class TestRecovery method getMetrics.

private Map<String, Metric> getMetrics() {
    SolrMetricManager manager = h.getCoreContainer().getMetricManager();
    MetricRegistry registry = manager.registry(h.getCore().getCoreMetricManager().getRegistryName());
    return registry.getMetrics();
}

Example 30 with MetricRegistry

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

the class TestCoreAdmin method testCoreSwap.

@Test
public void testCoreSwap() throws Exception {
    // index marker docs to core0
    SolrClient cli0 = getSolrCore0();
    SolrInputDocument d = new SolrInputDocument("id", "core0-0");
    cli0.add(d);
    d = new SolrInputDocument("id", "core0-1");
    cli0.add(d);
    cli0.commit();
    // index a marker doc to core1
    SolrClient cli1 = getSolrCore1();
    d = new SolrInputDocument("id", "core1-0");
    cli1.add(d);
    cli1.commit();
    // initial state assertions
    SolrQuery q = new SolrQuery("*:*");
    QueryResponse rsp = cli0.query(q);
    SolrDocumentList docs = rsp.getResults();
    assertEquals(2, docs.size());
    docs.forEach(doc -> {
        assertTrue(doc.toString(), doc.getFieldValue("id").toString().startsWith("core0-"));
    });
    rsp = cli1.query(q);
    docs = rsp.getResults();
    assertEquals(1, docs.size());
    docs.forEach(doc -> {
        assertTrue(doc.toString(), doc.getFieldValue("id").toString().startsWith("core1-"));
    });
    // assert initial metrics
    SolrMetricManager metricManager = cores.getMetricManager();
    String core0RegistryName = SolrCoreMetricManager.createRegistryName(false, null, null, null, "core0");
    String core1RegistryName = SolrCoreMetricManager.createRegistryName(false, null, null, null, "core1");
    MetricRegistry core0Registry = metricManager.registry(core0RegistryName);
    MetricRegistry core1Registry = metricManager.registry(core1RegistryName);
    // 2 docs + 1 commit
    assertEquals(3, core0Registry.counter("UPDATE./update.requests").getCount());
    // 1 doc + 1 commit
    assertEquals(2, core1Registry.counter("UPDATE./update.requests").getCount());
    // swap
    CoreAdminRequest.swapCore("core0", "core1", getSolrAdmin());
    // assert state after swap
    cli0 = getSolrCore0();
    cli1 = getSolrCore1();
    rsp = cli0.query(q);
    docs = rsp.getResults();
    assertEquals(1, docs.size());
    docs.forEach(doc -> {
        assertTrue(doc.toString(), doc.getFieldValue("id").toString().startsWith("core1-"));
    });
    rsp = cli1.query(q);
    docs = rsp.getResults();
    assertEquals(2, docs.size());
    docs.forEach(doc -> {
        assertTrue(doc.toString(), doc.getFieldValue("id").toString().startsWith("core0-"));
    });
    core0Registry = metricManager.registry(core0RegistryName);
    core1Registry = metricManager.registry(core1RegistryName);
    assertEquals(2, core0Registry.counter("UPDATE./update.requests").getCount());
    assertEquals(3, core1Registry.counter("UPDATE./update.requests").getCount());
}