Examples with TimelineMetric org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric used on opensource projects

Example 36 with TimelineMetric

use of org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric in project hadoop by apache.

the class TestTimelineReaderWebServicesHBaseStorage method loadData.

private static void loadData() throws Exception {
    String cluster = "cluster1";
    String user = "user1";
    String flow = "flow_name";
    String flowVersion = "CF7022C10F1354";
    Long runid = 1002345678919L;
    Long runid1 = 1002345678920L;
    TimelineEntities te = new TimelineEntities();
    TimelineEntity entity = new TimelineEntity();
    String id = "application_1111111111_1111";
    String type = TimelineEntityType.YARN_APPLICATION.toString();
    entity.setId(id);
    entity.setType(type);
    Long cTime = 1425016501000L;
    entity.setCreatedTime(cTime);
    entity.addConfig("cfg2", "value1");
    // add metrics
    Set<TimelineMetric> metrics = new HashSet<>();
    TimelineMetric m1 = new TimelineMetric();
    m1.setId("MAP_SLOT_MILLIS");
    Map<Long, Number> metricValues = ImmutableMap.of(ts - 100000, (Number) 2, ts - 90000, 7, ts - 80000, 40);
    m1.setType(Type.TIME_SERIES);
    m1.setValues(metricValues);
    metrics.add(m1);
    m1 = new TimelineMetric();
    m1.setId("MAP1_SLOT_MILLIS");
    metricValues = ImmutableMap.of(ts - 100000, (Number) 2, ts - 90000, 9, ts - 80000, 40);
    m1.setType(Type.TIME_SERIES);
    m1.setValues(metricValues);
    metrics.add(m1);
    m1 = new TimelineMetric();
    m1.setId("HDFS_BYTES_READ");
    metricValues = ImmutableMap.of(ts - 100000, (Number) 31, ts - 80000, 57);
    m1.setType(Type.TIME_SERIES);
    m1.setValues(metricValues);
    metrics.add(m1);
    entity.addMetrics(metrics);
    TimelineEvent event = new TimelineEvent();
    event.setId(ApplicationMetricsConstants.CREATED_EVENT_TYPE);
    event.setTimestamp(cTime);
    String expKey = "foo_event";
    Object expVal = "test";
    event.addInfo(expKey, expVal);
    entity.addEvent(event);
    TimelineEvent event11 = new TimelineEvent();
    event11.setId(ApplicationMetricsConstants.FINISHED_EVENT_TYPE);
    Long expTs = 1425019501000L;
    event11.setTimestamp(expTs);
    entity.addEvent(event11);
    te.addEntity(entity);
    // write another application with same metric to this flow
    TimelineEntities te1 = new TimelineEntities();
    TimelineEntity entity1 = new TimelineEntity();
    id = "application_1111111111_2222";
    type = TimelineEntityType.YARN_APPLICATION.toString();
    entity1.setId(id);
    entity1.setType(type);
    cTime = 1425016501000L;
    entity1.setCreatedTime(cTime);
    entity1.addConfig("cfg1", "value1");
    // add metrics
    metrics.clear();
    TimelineMetric m2 = new TimelineMetric();
    m2.setId("MAP_SLOT_MILLIS");
    metricValues = new HashMap<Long, Number>();
    metricValues.put(ts - 100000, 5L);
    metricValues.put(ts - 80000, 101L);
    m2.setType(Type.TIME_SERIES);
    m2.setValues(metricValues);
    metrics.add(m2);
    entity1.addMetrics(metrics);
    TimelineEvent event1 = new TimelineEvent();
    event1.setId(ApplicationMetricsConstants.CREATED_EVENT_TYPE);
    event1.setTimestamp(cTime);
    event1.addInfo(expKey, expVal);
    entity1.addEvent(event1);
    te1.addEntity(entity1);
    String flow2 = "flow_name2";
    String flowVersion2 = "CF7022C10F1454";
    Long runid2 = 2102356789046L;
    TimelineEntities te3 = new TimelineEntities();
    TimelineEntity entity3 = new TimelineEntity();
    id = "application_11111111111111_2223";
    entity3.setId(id);
    entity3.setType(type);
    cTime = 1425016501037L;
    entity3.setCreatedTime(cTime);
    TimelineEvent event2 = new TimelineEvent();
    event2.setId(ApplicationMetricsConstants.CREATED_EVENT_TYPE);
    event2.setTimestamp(cTime);
    event2.addInfo("foo_event", "test");
    entity3.addEvent(event2);
    te3.addEntity(entity3);
    TimelineEntities te4 = new TimelineEntities();
    TimelineEntity entity4 = new TimelineEntity();
    id = "application_1111111111_2224";
    entity4.setId(id);
    entity4.setType(type);
    cTime = 1425016501034L;
    entity4.setCreatedTime(cTime);
    TimelineEvent event4 = new TimelineEvent();
    event4.setId(ApplicationMetricsConstants.CREATED_EVENT_TYPE);
    event4.setTimestamp(cTime);
    event4.addInfo("foo_event", "test");
    entity4.addEvent(event4);
    metrics.clear();
    m2 = new TimelineMetric();
    m2.setId("MAP_SLOT_MILLIS");
    metricValues = ImmutableMap.of(ts - 100000, (Number) 5L, ts - 80000, 101L);
    m2.setType(Type.TIME_SERIES);
    m2.setValues(metricValues);
    metrics.add(m2);
    entity4.addMetrics(metrics);
    te4.addEntity(entity4);
    TimelineEntities te5 = new TimelineEntities();
    TimelineEntity entity5 = new TimelineEntity();
    entity5.setId("entity1");
    entity5.setType("type1");
    entity5.setCreatedTime(1425016501034L);
    // add some config entries
    entity5.addConfigs(ImmutableMap.of("config_param1", "value1", "config_param2", "value2", "cfg_param1", "value3"));
    entity5.addInfo(ImmutableMap.of("info1", (Object) "cluster1", "info2", 2.0, "info3", 35000, "info4", 36000));
    metrics = new HashSet<>();
    m1 = new TimelineMetric();
    m1.setId("MAP_SLOT_MILLIS");
    metricValues = ImmutableMap.of(ts - 100000, (Number) 2, ts - 80000, 40);
    m1.setType(Type.TIME_SERIES);
    m1.setValues(metricValues);
    metrics.add(m1);
    m1 = new TimelineMetric();
    m1.setId("HDFS_BYTES_READ");
    metricValues = ImmutableMap.of(ts - 100000, (Number) 31, ts - 80000, 57);
    m1.setType(Type.TIME_SERIES);
    m1.setValues(metricValues);
    metrics.add(m1);
    entity5.addMetrics(metrics);
    TimelineEvent event51 = new TimelineEvent();
    event51.setId("event1");
    event51.setTimestamp(cTime);
    entity5.addEvent(event51);
    TimelineEvent event52 = new TimelineEvent();
    event52.setId("event2");
    event52.setTimestamp(cTime);
    entity5.addEvent(event52);
    TimelineEvent event53 = new TimelineEvent();
    event53.setId("event3");
    event53.setTimestamp(cTime);
    entity5.addEvent(event53);
    TimelineEvent event54 = new TimelineEvent();
    event54.setId("event4");
    event54.setTimestamp(cTime);
    entity5.addEvent(event54);
    Map<String, Set<String>> isRelatedTo1 = new HashMap<String, Set<String>>();
    isRelatedTo1.put("type2", Sets.newHashSet("entity21", "entity22", "entity23", "entity24"));
    isRelatedTo1.put("type4", Sets.newHashSet("entity41", "entity42"));
    isRelatedTo1.put("type1", Sets.newHashSet("entity14", "entity15"));
    isRelatedTo1.put("type3", Sets.newHashSet("entity31", "entity35", "entity32", "entity33"));
    entity5.addIsRelatedToEntities(isRelatedTo1);
    Map<String, Set<String>> relatesTo1 = new HashMap<String, Set<String>>();
    relatesTo1.put("type2", Sets.newHashSet("entity21", "entity22", "entity23", "entity24"));
    relatesTo1.put("type4", Sets.newHashSet("entity41", "entity42"));
    relatesTo1.put("type1", Sets.newHashSet("entity14", "entity15"));
    relatesTo1.put("type3", Sets.newHashSet("entity31", "entity35", "entity32", "entity33"));
    entity5.addRelatesToEntities(relatesTo1);
    te5.addEntity(entity5);
    TimelineEntity entity6 = new TimelineEntity();
    entity6.setId("entity2");
    entity6.setType("type1");
    entity6.setCreatedTime(1425016501034L);
    entity6.addConfigs(ImmutableMap.of("cfg_param3", "value1", "configuration_param2", "value2", "config_param1", "value3"));
    entity6.addInfo(ImmutableMap.of("info1", (Object) "cluster2", "info2", 2.0, "info4", 35000));
    metrics = new HashSet<>();
    m1 = new TimelineMetric();
    m1.setId("MAP1_SLOT_MILLIS");
    metricValues = ImmutableMap.of(ts - 100000, (Number) 12, ts - 80000, 140);
    m1.setType(Type.TIME_SERIES);
    m1.setValues(metricValues);
    metrics.add(m1);
    m1 = new TimelineMetric();
    m1.setId("HDFS_BYTES_READ");
    metricValues = ImmutableMap.of(ts - 100000, (Number) 78, ts - 80000, 157);
    m1.setType(Type.TIME_SERIES);
    m1.setValues(metricValues);
    metrics.add(m1);
    m1 = new TimelineMetric();
    m1.setId("MAP11_SLOT_MILLIS");
    m1.setType(Type.SINGLE_VALUE);
    m1.addValue(ts - 100000, 122);
    metrics.add(m1);
    entity6.addMetrics(metrics);
    TimelineEvent event61 = new TimelineEvent();
    event61.setId("event1");
    event61.setTimestamp(cTime);
    entity6.addEvent(event61);
    TimelineEvent event62 = new TimelineEvent();
    event62.setId("event5");
    event62.setTimestamp(cTime);
    entity6.addEvent(event62);
    TimelineEvent event63 = new TimelineEvent();
    event63.setId("event3");
    event63.setTimestamp(cTime);
    entity6.addEvent(event63);
    TimelineEvent event64 = new TimelineEvent();
    event64.setId("event6");
    event64.setTimestamp(cTime);
    entity6.addEvent(event64);
    Map<String, Set<String>> isRelatedTo2 = new HashMap<String, Set<String>>();
    isRelatedTo2.put("type2", Sets.newHashSet("entity21", "entity22", "entity23", "entity24"));
    isRelatedTo2.put("type5", Sets.newHashSet("entity51", "entity52"));
    isRelatedTo2.put("type6", Sets.newHashSet("entity61", "entity66"));
    isRelatedTo2.put("type3", Sets.newHashSet("entity31"));
    entity6.addIsRelatedToEntities(isRelatedTo2);
    Map<String, Set<String>> relatesTo2 = new HashMap<String, Set<String>>();
    relatesTo2.put("type2", Sets.newHashSet("entity21", "entity22", "entity23", "entity24"));
    relatesTo2.put("type5", Sets.newHashSet("entity51", "entity52"));
    relatesTo2.put("type6", Sets.newHashSet("entity61", "entity66"));
    relatesTo2.put("type3", Sets.newHashSet("entity31"));
    entity6.addRelatesToEntities(relatesTo2);
    te5.addEntity(entity6);
    HBaseTimelineWriterImpl hbi = null;
    Configuration c1 = util.getConfiguration();
    try {
        hbi = new HBaseTimelineWriterImpl();
        hbi.init(c1);
        hbi.write(cluster, user, flow, flowVersion, runid, entity.getId(), te);
        hbi.write(cluster, user, flow, flowVersion, runid, entity1.getId(), te1);
        hbi.write(cluster, user, flow, flowVersion, runid1, entity4.getId(), te4);
        hbi.write(cluster, user, flow2, flowVersion2, runid2, entity3.getId(), te3);
        hbi.write(cluster, user, flow, flowVersion, runid, "application_1111111111_1111", te5);
        hbi.flush();
    } finally {
        if (hbi != null) {
            hbi.close();
        }
    }
}

Example 37 with TimelineMetric

use of org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric in project hadoop by apache.

the class HBaseTimelineWriterImpl method storeMetrics.

/**
   * stores the {@linkplain TimelineMetric} information from the
   * {@linkplain TimelineEvent} object.
   */
private void storeMetrics(byte[] rowKey, Set<TimelineMetric> metrics, boolean isApplication) throws IOException {
    if (metrics != null) {
        for (TimelineMetric metric : metrics) {
            byte[] metricColumnQualifier = stringKeyConverter.encode(metric.getId());
            Map<Long, Number> timeseries = metric.getValues();
            for (Map.Entry<Long, Number> timeseriesEntry : timeseries.entrySet()) {
                Long timestamp = timeseriesEntry.getKey();
                if (isApplication) {
                    ApplicationColumnPrefix.METRIC.store(rowKey, applicationTable, metricColumnQualifier, timestamp, timeseriesEntry.getValue());
                } else {
                    EntityColumnPrefix.METRIC.store(rowKey, entityTable, metricColumnQualifier, timestamp, timeseriesEntry.getValue());
                }
            }
        }
    }
}

Example 38 with TimelineMetric

use of org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric in project hadoop by apache.

the class TestTimelineReaderWebServicesHBaseStorage method testGetFlowRun.

@Test
public void testGetFlowRun() throws Exception {
    Client client = createClient();
    try {
        URI uri = URI.create("http://localhost:" + serverPort + "/ws/v2/" + "timeline/clusters/cluster1/users/user1/flows/flow_name/runs/" + "1002345678919");
        ClientResponse resp = getResponse(client, uri);
        FlowRunEntity entity = resp.getEntity(FlowRunEntity.class);
        assertEquals(MediaType.APPLICATION_JSON_TYPE + "; charset=utf-8", resp.getType().toString());
        assertNotNull(entity);
        assertEquals("user1@flow_name/1002345678919", entity.getId());
        assertEquals(3, entity.getMetrics().size());
        TimelineMetric m1 = newMetric(TimelineMetric.Type.SINGLE_VALUE, "HDFS_BYTES_READ", ts - 80000, 57L);
        TimelineMetric m2 = newMetric(TimelineMetric.Type.SINGLE_VALUE, "MAP_SLOT_MILLIS", ts - 80000, 141L);
        TimelineMetric m3 = newMetric(TimelineMetric.Type.SINGLE_VALUE, "MAP1_SLOT_MILLIS", ts - 80000, 40L);
        for (TimelineMetric metric : entity.getMetrics()) {
            assertTrue(verifyMetrics(metric, m1, m2, m3));
        }
        // Query without specifying cluster ID.
        uri = URI.create("http://localhost:" + serverPort + "/ws/v2/" + "timeline/users/user1/flows/flow_name/runs/1002345678919");
        resp = getResponse(client, uri);
        entity = resp.getEntity(FlowRunEntity.class);
        assertNotNull(entity);
        assertEquals("user1@flow_name/1002345678919", entity.getId());
        assertEquals(3, entity.getMetrics().size());
        m1 = newMetric(TimelineMetric.Type.SINGLE_VALUE, "HDFS_BYTES_READ", ts - 80000, 57L);
        m2 = newMetric(TimelineMetric.Type.SINGLE_VALUE, "MAP_SLOT_MILLIS", ts - 80000, 141L);
        m3 = newMetric(TimelineMetric.Type.SINGLE_VALUE, "MAP1_SLOT_MILLIS", ts - 80000, 40L);
        for (TimelineMetric metric : entity.getMetrics()) {
            assertTrue(verifyMetrics(metric, m1, m2, m3));
        }
    } finally {
        client.destroy();
    }
}

Example 39 with TimelineMetric

use of org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric in project hadoop by apache.

the class TestTimelineReaderWebServicesHBaseStorage method testGetEntitiesDataToRetrieve.

/**
   * Tests if specific configs and metrics are retrieve for getEntities call.
   */
@Test
public void testGetEntitiesDataToRetrieve() throws Exception {
    Client client = createClient();
    try {
        URI uri = URI.create("http://localhost:" + serverPort + "/ws/v2/" + "timeline/clusters/cluster1/apps/application_1111111111_1111/" + "entities/type1?confstoretrieve=cfg_");
        ClientResponse resp = getResponse(client, uri);
        Set<TimelineEntity> entities = resp.getEntity(new GenericType<Set<TimelineEntity>>() {
        });
        assertNotNull(entities);
        assertEquals(2, entities.size());
        int cfgCnt = 0;
        for (TimelineEntity entity : entities) {
            cfgCnt += entity.getConfigs().size();
            for (String configKey : entity.getConfigs().keySet()) {
                assertTrue(configKey.startsWith("cfg_"));
            }
        }
        assertEquals(2, cfgCnt);
        uri = URI.create("http://localhost:" + serverPort + "/ws/v2/" + "timeline/clusters/cluster1/apps/application_1111111111_1111/" + "entities/type1?confstoretrieve=cfg_,config_");
        resp = getResponse(client, uri);
        entities = resp.getEntity(new GenericType<Set<TimelineEntity>>() {
        });
        assertNotNull(entities);
        assertEquals(2, entities.size());
        cfgCnt = 0;
        for (TimelineEntity entity : entities) {
            cfgCnt += entity.getConfigs().size();
            for (String configKey : entity.getConfigs().keySet()) {
                assertTrue(configKey.startsWith("cfg_") || configKey.startsWith("config_"));
            }
        }
        assertEquals(5, cfgCnt);
        uri = URI.create("http://localhost:" + serverPort + "/ws/v2/" + "timeline/clusters/cluster1/apps/application_1111111111_1111/" + "entities/type1?confstoretrieve=!(cfg_,config_)");
        resp = getResponse(client, uri);
        entities = resp.getEntity(new GenericType<Set<TimelineEntity>>() {
        });
        assertNotNull(entities);
        assertEquals(2, entities.size());
        cfgCnt = 0;
        for (TimelineEntity entity : entities) {
            cfgCnt += entity.getConfigs().size();
            for (String configKey : entity.getConfigs().keySet()) {
                assertTrue(configKey.startsWith("configuration_"));
            }
        }
        assertEquals(1, cfgCnt);
        uri = URI.create("http://localhost:" + serverPort + "/ws/v2/" + "timeline/clusters/cluster1/apps/application_1111111111_1111/" + "entities/type1?metricstoretrieve=MAP_");
        resp = getResponse(client, uri);
        entities = resp.getEntity(new GenericType<Set<TimelineEntity>>() {
        });
        assertNotNull(entities);
        assertEquals(2, entities.size());
        int metricCnt = 0;
        for (TimelineEntity entity : entities) {
            metricCnt += entity.getMetrics().size();
            for (TimelineMetric metric : entity.getMetrics()) {
                assertTrue(metric.getId().startsWith("MAP_"));
            }
        }
        assertEquals(1, metricCnt);
        uri = URI.create("http://localhost:" + serverPort + "/ws/v2/" + "timeline/clusters/cluster1/apps/application_1111111111_1111/" + "entities/type1?metricstoretrieve=MAP1_,HDFS_");
        resp = getResponse(client, uri);
        entities = resp.getEntity(new GenericType<Set<TimelineEntity>>() {
        });
        assertNotNull(entities);
        assertEquals(2, entities.size());
        metricCnt = 0;
        for (TimelineEntity entity : entities) {
            metricCnt += entity.getMetrics().size();
            for (TimelineMetric metric : entity.getMetrics()) {
                assertTrue(metric.getId().startsWith("MAP1_") || metric.getId().startsWith("HDFS_"));
            }
        }
        assertEquals(3, metricCnt);
        uri = URI.create("http://localhost:" + serverPort + "/ws/v2/" + "timeline/clusters/cluster1/apps/application_1111111111_1111/" + "entities/type1?metricstoretrieve=!(MAP1_,HDFS_)");
        resp = getResponse(client, uri);
        entities = resp.getEntity(new GenericType<Set<TimelineEntity>>() {
        });
        assertNotNull(entities);
        assertEquals(2, entities.size());
        metricCnt = 0;
        for (TimelineEntity entity : entities) {
            metricCnt += entity.getMetrics().size();
            for (TimelineMetric metric : entity.getMetrics()) {
                assertTrue(metric.getId().startsWith("MAP_") || metric.getId().startsWith("MAP11_"));
            }
        }
        assertEquals(2, metricCnt);
    } finally {
        client.destroy();
    }
}

Example 40 with TimelineMetric

use of org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric in project hadoop by apache.

the class TestTimelineReaderWebServicesHBaseStorage method testGetFlowApps.

@Test
public void testGetFlowApps() throws Exception {
    Client client = createClient();
    try {
        URI uri = URI.create("http://localhost:" + serverPort + "/ws/v2/" + "timeline/clusters/cluster1/users/user1/flows/flow_name/apps?" + "fields=ALL");
        ClientResponse resp = getResponse(client, uri);
        Set<TimelineEntity> entities = resp.getEntity(new GenericType<Set<TimelineEntity>>() {
        });
        assertNotNull(entities);
        assertEquals(3, entities.size());
        for (TimelineEntity entity : entities) {
            assertTrue("Unexpected app in result", (entity.getId().equals("application_1111111111_1111") && entity.getConfigs().size() == 1 && entity.getConfigs().equals(ImmutableMap.of("cfg2", "value1"))) || (entity.getId().equals("application_1111111111_2222") && entity.getConfigs().size() == 1 && entity.getConfigs().equals(ImmutableMap.of("cfg1", "value1"))) || (entity.getId().equals("application_1111111111_2224") && entity.getConfigs().size() == 0));
            for (TimelineMetric metric : entity.getMetrics()) {
                if (entity.getId().equals("application_1111111111_1111")) {
                    TimelineMetric m1 = newMetric(TimelineMetric.Type.SINGLE_VALUE, "HDFS_BYTES_READ", ts - 80000, 57L);
                    TimelineMetric m2 = newMetric(TimelineMetric.Type.SINGLE_VALUE, "MAP_SLOT_MILLIS", ts - 80000, 40L);
                    TimelineMetric m3 = newMetric(TimelineMetric.Type.SINGLE_VALUE, "MAP1_SLOT_MILLIS", ts - 80000, 40L);
                    assertTrue(verifyMetrics(metric, m1, m2, m3));
                } else if (entity.getId().equals("application_1111111111_2222")) {
                    TimelineMetric m1 = newMetric(TimelineMetric.Type.SINGLE_VALUE, "MAP_SLOT_MILLIS", ts - 80000, 101L);
                    assertTrue(verifyMetrics(metric, m1));
                } else if (entity.getId().equals("application_1111111111_2224")) {
                    TimelineMetric m1 = newMetric(TimelineMetric.Type.SINGLE_VALUE, "MAP_SLOT_MILLIS", ts - 80000, 101L);
                    assertTrue(verifyMetrics(metric, m1));
                }
            }
        }
        uri = URI.create("http://localhost:" + serverPort + "/ws/v2/" + "timeline/clusters/cluster1/users/user1/flows/flow_name/apps?" + "fields=ALL&metricslimit=6");
        resp = getResponse(client, uri);
        entities = resp.getEntity(new GenericType<Set<TimelineEntity>>() {
        });
        assertNotNull(entities);
        assertEquals(3, entities.size());
        for (TimelineEntity entity : entities) {
            assertTrue("Unexpected app in result", (entity.getId().equals("application_1111111111_1111") && entity.getConfigs().size() == 1 && entity.getConfigs().equals(ImmutableMap.of("cfg2", "value1"))) || (entity.getId().equals("application_1111111111_2222") && entity.getConfigs().size() == 1 && entity.getConfigs().equals(ImmutableMap.of("cfg1", "value1"))) || (entity.getId().equals("application_1111111111_2224") && entity.getConfigs().size() == 0));
            for (TimelineMetric metric : entity.getMetrics()) {
                if (entity.getId().equals("application_1111111111_1111")) {
                    TimelineMetric m1 = newMetric(TimelineMetric.Type.TIME_SERIES, "HDFS_BYTES_READ", ts - 80000, 57L);
                    m1.addValue(ts - 100000, 31L);
                    TimelineMetric m2 = newMetric(TimelineMetric.Type.TIME_SERIES, "MAP_SLOT_MILLIS", ts - 80000, 40L);
                    m2.addValue(ts - 100000, 2L);
                    TimelineMetric m3 = newMetric(TimelineMetric.Type.TIME_SERIES, "MAP1_SLOT_MILLIS", ts - 80000, 40L);
                    m3.addValue(ts - 100000, 2L);
                    assertTrue(verifyMetrics(metric, m1, m2, m3));
                } else if (entity.getId().equals("application_1111111111_2222")) {
                    TimelineMetric m1 = newMetric(TimelineMetric.Type.TIME_SERIES, "MAP_SLOT_MILLIS", ts - 80000, 101L);
                    m1.addValue(ts - 100000, 5L);
                    assertTrue(verifyMetrics(metric, m1));
                } else if (entity.getId().equals("application_1111111111_2224")) {
                    TimelineMetric m1 = newMetric(TimelineMetric.Type.TIME_SERIES, "MAP_SLOT_MILLIS", ts - 80000, 101L);
                    m1.addValue(ts - 100000, 5L);
                    assertTrue(verifyMetrics(metric, m1));
                }
            }
        }
        // Query without specifying cluster ID.
        uri = URI.create("http://localhost:" + serverPort + "/ws/v2/" + "timeline/users/user1/flows/flow_name/apps");
        resp = getResponse(client, uri);
        entities = resp.getEntity(new GenericType<Set<TimelineEntity>>() {
        });
        assertNotNull(entities);
        assertEquals(3, entities.size());
        uri = URI.create("http://localhost:" + serverPort + "/ws/v2/" + "timeline/users/user1/flows/flow_name/apps?limit=1");
        resp = getResponse(client, uri);
        entities = resp.getEntity(new GenericType<Set<TimelineEntity>>() {
        });
        assertNotNull(entities);
        assertEquals(1, entities.size());
    } finally {
        client.destroy();
    }
}