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

Example 21 with Counter

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

the class SolrCoreMetricManagerTest method assertRegistered.

private void assertRegistered(String scope, Map<String, Counter> newMetrics, SolrCoreMetricManager coreMetricManager) {
    if (scope == null || newMetrics == null) {
        return;
    }
    String filter = "." + scope + ".";
    MetricRegistry registry = metricManager.registry(coreMetricManager.getRegistryName());
    assertEquals(newMetrics.size(), registry.getMetrics().keySet().stream().filter(s -> s.contains(filter)).count());
    Map<String, Metric> registeredMetrics = registry.getMetrics().entrySet().stream().filter(e -> e.getKey() != null && e.getKey().contains(filter)).collect(Collectors.toMap(e -> e.getKey(), e -> e.getValue()));
    for (Map.Entry<String, Metric> entry : registeredMetrics.entrySet()) {
        String name = entry.getKey();
        Metric expectedMetric = entry.getValue();
        Metric actualMetric = registry.getMetrics().get(name);
        assertNotNull(actualMetric);
        assertEquals(expectedMetric, actualMetric);
    }
}

Example 22 with Counter

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

the class SolrMetricManagerTest method testRegisterAll.

@Test
public void testRegisterAll() throws Exception {
    Random r = random();
    SolrMetricManager metricManager = new SolrMetricManager();
    Map<String, Counter> metrics = SolrMetricTestUtils.getRandomMetrics(r, true);
    MetricRegistry mr = new MetricRegistry();
    for (Map.Entry<String, Counter> entry : metrics.entrySet()) {
        mr.register(entry.getKey(), entry.getValue());
    }
    String registryName = TestUtil.randomSimpleString(r, 1, 10);
    assertEquals(0, metricManager.registry(registryName).getMetrics().size());
    metricManager.registerAll(registryName, mr, false);
    // this should simply skip existing names
    metricManager.registerAll(registryName, mr, true);
    // this should produce error
    try {
        metricManager.registerAll(registryName, mr, false);
        fail("registerAll with duplicate metric names should fail");
    } catch (IllegalArgumentException e) {
    // expected
    }
}

Example 23 with Counter

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

the class PeerSyncReplicationTest method test.

@Test
public void test() throws Exception {
    handle.clear();
    handle.put("timestamp", SKIPVAL);
    waitForThingsToLevelOut(30);
    del("*:*");
    // index enough docs and commit to establish frame of reference for PeerSync
    for (int i = 0; i < 100; i++) {
        indexDoc(id, docId, i1, 50, tlong, 50, t1, "document number " + docId++);
    }
    commit();
    waitForThingsToLevelOut(30);
    try {
        checkShardConsistency(false, true);
        long cloudClientDocs = cloudClient.query(new SolrQuery("*:*")).getResults().getNumFound();
        assertEquals(docId, cloudClientDocs);
        CloudJettyRunner initialLeaderJetty = shardToLeaderJetty.get("shard1");
        List<CloudJettyRunner> otherJetties = getOtherAvailableJetties(initialLeaderJetty);
        CloudJettyRunner neverLeader = otherJetties.get(otherJetties.size() - 1);
        otherJetties.remove(neverLeader);
        // first shutdown a node that will never be a leader
        forceNodeFailures(singletonList(neverLeader));
        // node failure and recovery via PeerSync
        log.info("Forcing PeerSync");
        CloudJettyRunner nodePeerSynced = forceNodeFailureAndDoPeerSync(false);
        // add a few more docs
        indexDoc(id, docId, i1, 50, tlong, 50, t1, "document number " + docId++);
        indexDoc(id, docId, i1, 50, tlong, 50, t1, "document number " + docId++);
        commit();
        cloudClientDocs = cloudClient.query(new SolrQuery("*:*")).getResults().getNumFound();
        assertEquals(docId, cloudClientDocs);
        // now shutdown all other nodes except for 'nodeShutDownForFailure'
        otherJetties.remove(nodePeerSynced);
        forceNodeFailures(otherJetties);
        waitForThingsToLevelOut(30);
        checkShardConsistency(false, true);
        // now shutdown the original leader
        log.info("Now shutting down initial leader");
        forceNodeFailures(singletonList(initialLeaderJetty));
        log.info("Updating mappings from zk");
        waitForNewLeader(cloudClient, "shard1", (Replica) initialLeaderJetty.client.info, new TimeOut(15, SECONDS));
        updateMappingsFromZk(jettys, clients, true);
        assertEquals("PeerSynced node did not become leader", nodePeerSynced, shardToLeaderJetty.get("shard1"));
        // bring up node that was down all along, and let it PeerSync from the node that was forced to PeerSynce  
        bringUpDeadNodeAndEnsureNoReplication(neverLeader, false);
        waitTillNodesActive();
        checkShardConsistency(false, true);
        // bring back all the nodes including initial leader 
        // (commented as reports Maximum concurrent create/delete watches above limit violation and reports thread leaks)
        /*for(int i = 0 ; i < nodesDown.size(); i++) {
        bringUpDeadNodeAndEnsureNoReplication(shardToLeaderJetty.get("shard1"), neverLeader, false);
      }
      checkShardConsistency(false, true);*/
        // make sure leader has not changed after bringing initial leader back
        assertEquals(nodePeerSynced, shardToLeaderJetty.get("shard1"));
        // assert metrics
        MetricRegistry registry = nodePeerSynced.jetty.getCoreContainer().getMetricManager().registry("solr.core.collection1");
        Map<String, Metric> metrics = registry.getMetrics();
        assertTrue("REPLICATION.time present", metrics.containsKey("REPLICATION.time"));
        assertTrue("REPLICATION.errors present", metrics.containsKey("REPLICATION.errors"));
        Timer timer = (Timer) metrics.get("REPLICATION.time");
        assertEquals(1L, timer.getCount());
        Counter counter = (Counter) metrics.get("REPLICATION.errors");
        assertEquals(0L, counter.getCount());
        success = true;
    } finally {
        System.clearProperty("solr.disableFingerprint");
    }
}

Example 24 with Counter

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

the class HdfsCollectionsAPIDistributedZkTest method moveReplicaTest.

@Test
public void moveReplicaTest() throws Exception {
    cluster.waitForAllNodes(5000);
    String coll = "movereplicatest_coll";
    CloudSolrClient cloudClient = cluster.getSolrClient();
    CollectionAdminRequest.Create create = CollectionAdminRequest.createCollection(coll, "conf", 2, 2);
    create.setMaxShardsPerNode(2);
    cloudClient.request(create);
    for (int i = 0; i < 10; i++) {
        cloudClient.add(coll, sdoc("id", String.valueOf(i)));
        cloudClient.commit(coll);
    }
    List<Slice> slices = new ArrayList<>(cloudClient.getZkStateReader().getClusterState().getCollection(coll).getSlices());
    Collections.shuffle(slices, random());
    Slice slice = null;
    Replica replica = null;
    for (Slice s : slices) {
        slice = s;
        for (Replica r : s.getReplicas()) {
            if (s.getLeader() != r) {
                replica = r;
            }
        }
    }
    String dataDir = getDataDir(replica);
    Set<String> liveNodes = cloudClient.getZkStateReader().getClusterState().getLiveNodes();
    ArrayList<String> l = new ArrayList<>(liveNodes);
    Collections.shuffle(l, random());
    String targetNode = null;
    for (String node : liveNodes) {
        if (!replica.getNodeName().equals(node)) {
            targetNode = node;
            break;
        }
    }
    assertNotNull(targetNode);
    CollectionAdminRequest.MoveReplica moveReplica = new CollectionAdminRequest.MoveReplica(coll, replica.getName(), targetNode);
    moveReplica.process(cloudClient);
    checkNumOfCores(cloudClient, replica.getNodeName(), 0);
    checkNumOfCores(cloudClient, targetNode, 2);
    waitForState("Wait for recovery finish failed", coll, clusterShape(2, 2));
    slice = cloudClient.getZkStateReader().getClusterState().getCollection(coll).getSlice(slice.getName());
    boolean found = false;
    for (Replica newReplica : slice.getReplicas()) {
        if (getDataDir(newReplica).equals(dataDir)) {
            found = true;
        }
    }
    assertTrue(found);
    // data dir is reused so replication will be skipped
    for (JettySolrRunner jetty : cluster.getJettySolrRunners()) {
        SolrMetricManager manager = jetty.getCoreContainer().getMetricManager();
        List<String> registryNames = manager.registryNames().stream().filter(s -> s.startsWith("solr.core.")).collect(Collectors.toList());
        for (String registry : registryNames) {
            Map<String, Metric> metrics = manager.registry(registry).getMetrics();
            Counter counter = (Counter) metrics.get("REPLICATION./replication.requests");
            if (counter != null) {
                assertEquals(0, counter.getCount());
            }
        }
    }
}

Example 25 with Counter

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

the class MetricWrapperTest method counter.

@Test
public void counter() throws Exception {
    Counter counter = registry.counter("test");
    CounterImpl counterStats = new CounterImpl(counter);
    counterStats.increment();
    assertEquals(1, counterStats.getCount());
    assertEquals(1, counter.getCount());
    assertEquals(1, counterStats.getCount());
    counterStats.increment();
    counterStats.increment();
    assertEquals(3, counterStats.getCount());
    counterStats.decrement();
    assertEquals(2, counterStats.getCount());
    assertEquals(2, counter.getCount());
    counterStats.increment(7);
    assertEquals(9, counterStats.getCount());
    assertEquals(9, counter.getCount());
    counterStats.decrement(5);
    assertEquals(4, counterStats.getCount());
    assertEquals(4, counter.getCount());
    assertSame(counter, counterStats.adaptTo(Counter.class));
}