Examples with CoordinatorCustomDutyGroup org.apache.druid.server.coordinator.duty.CoordinatorCustomDutyGroup used on opensource projects

Example 1 with CoordinatorCustomDutyGroup

use of org.apache.druid.server.coordinator.duty.CoordinatorCustomDutyGroup in project druid by druid-io.

the class DruidCoordinatorTest method testInitializeCompactSegmentsDutyWhenCustomDutyGroupDoesNotContainsCompactSegments.

@Test
public void testInitializeCompactSegmentsDutyWhenCustomDutyGroupDoesNotContainsCompactSegments() {
    CoordinatorCustomDutyGroup group = new CoordinatorCustomDutyGroup("group1", Duration.standardSeconds(1), ImmutableList.of(new KillSupervisorsCustomDuty(new Duration("PT1S"), null)));
    CoordinatorCustomDutyGroups customDutyGroups = new CoordinatorCustomDutyGroups(ImmutableSet.of(group));
    coordinator = new DruidCoordinator(druidCoordinatorConfig, new ZkPathsConfig() {

        @Override
        public String getBase() {
            return "druid";
        }
    }, null, segmentsMetadataManager, serverInventoryView, metadataRuleManager, () -> curator, serviceEmitter, scheduledExecutorFactory, null, null, new NoopServiceAnnouncer() {

        @Override
        public void announce(DruidNode node) {
            // count down when this coordinator becomes the leader
            leaderAnnouncerLatch.countDown();
        }

        @Override
        public void unannounce(DruidNode node) {
            leaderUnannouncerLatch.countDown();
        }
    }, druidNode, loadManagementPeons, ImmutableSet.of(), new HashSet<>(), customDutyGroups, new CostBalancerStrategyFactory(), EasyMock.createNiceMock(LookupCoordinatorManager.class), new TestDruidLeaderSelector(), null, ZkEnablementConfig.ENABLED);
    // Since CompactSegments is not enabled in Custom Duty Group, then CompactSegments must be created in IndexingServiceDuties
    List<CoordinatorDuty> indexingDuties = coordinator.makeIndexingServiceDuties();
    Assert.assertTrue(indexingDuties.stream().anyMatch(coordinatorDuty -> coordinatorDuty instanceof CompactSegments));
    // CompactSegments should not exist in Custom Duty Group
    List<CompactSegments> compactSegmentsDutyFromCustomGroups = coordinator.getCompactSegmentsDutyFromCustomGroups();
    Assert.assertTrue(compactSegmentsDutyFromCustomGroups.isEmpty());
    // CompactSegments returned by this method should be created using the DruidCoordinatorConfig in the DruidCoordinator
    CompactSegments duty = coordinator.initializeCompactSegmentsDuty();
    Assert.assertNotNull(duty);
    Assert.assertEquals(druidCoordinatorConfig.getCompactionSkipLockedIntervals(), duty.isSkipLockedIntervals());
}

Example 2 with CoordinatorCustomDutyGroup

use of org.apache.druid.server.coordinator.duty.CoordinatorCustomDutyGroup in project druid by druid-io.

the class DruidCoordinatorTest method testCoordinatorCustomDutyGroupsRunAsExpected.

@Test(timeout = 3000)
public void testCoordinatorCustomDutyGroupsRunAsExpected() throws Exception {
    // Some nessesary setup to start the Coordinator
    JacksonConfigManager configManager = EasyMock.createNiceMock(JacksonConfigManager.class);
    EasyMock.expect(configManager.watch(EasyMock.eq(CoordinatorDynamicConfig.CONFIG_KEY), EasyMock.anyObject(Class.class), EasyMock.anyObject())).andReturn(new AtomicReference(CoordinatorDynamicConfig.builder().build())).anyTimes();
    EasyMock.expect(configManager.watch(EasyMock.eq(CoordinatorCompactionConfig.CONFIG_KEY), EasyMock.anyObject(Class.class), EasyMock.anyObject())).andReturn(new AtomicReference(CoordinatorCompactionConfig.empty())).anyTimes();
    EasyMock.replay(configManager);
    EasyMock.expect(segmentsMetadataManager.isPollingDatabasePeriodically()).andReturn(true).anyTimes();
    DruidDataSource dataSource = new DruidDataSource("dataSource1", Collections.emptyMap());
    DataSegment dataSegment = new DataSegment("dataSource1", Intervals.of("2010-01-01/P1D"), "v1", null, null, null, null, 0x9, 0);
    dataSource.addSegment(dataSegment);
    DataSourcesSnapshot dataSourcesSnapshot = new DataSourcesSnapshot(ImmutableMap.of(dataSource.getName(), dataSource.toImmutableDruidDataSource()));
    EasyMock.expect(segmentsMetadataManager.getSnapshotOfDataSourcesWithAllUsedSegments()).andReturn(dataSourcesSnapshot).anyTimes();
    EasyMock.replay(segmentsMetadataManager);
    EasyMock.expect(serverInventoryView.isStarted()).andReturn(true).anyTimes();
    EasyMock.replay(serverInventoryView);
    // Create CoordinatorCustomDutyGroups
    // We will have two groups and each group has one duty
    CountDownLatch latch1 = new CountDownLatch(1);
    CoordinatorCustomDuty duty1 = new CoordinatorCustomDuty() {

        @Override
        public DruidCoordinatorRuntimeParams run(DruidCoordinatorRuntimeParams params) {
            latch1.countDown();
            return params;
        }
    };
    CoordinatorCustomDutyGroup group1 = new CoordinatorCustomDutyGroup("group1", Duration.standardSeconds(1), ImmutableList.of(duty1));
    CountDownLatch latch2 = new CountDownLatch(1);
    CoordinatorCustomDuty duty2 = new CoordinatorCustomDuty() {

        @Override
        public DruidCoordinatorRuntimeParams run(DruidCoordinatorRuntimeParams params) {
            latch2.countDown();
            return params;
        }
    };
    CoordinatorCustomDutyGroup group2 = new CoordinatorCustomDutyGroup("group2", Duration.standardSeconds(1), ImmutableList.of(duty2));
    CoordinatorCustomDutyGroups groups = new CoordinatorCustomDutyGroups(ImmutableSet.of(group1, group2));
    coordinator = new DruidCoordinator(druidCoordinatorConfig, new ZkPathsConfig() {

        @Override
        public String getBase() {
            return "druid";
        }
    }, configManager, segmentsMetadataManager, serverInventoryView, metadataRuleManager, () -> curator, serviceEmitter, scheduledExecutorFactory, null, null, new NoopServiceAnnouncer() {

        @Override
        public void announce(DruidNode node) {
            // count down when this coordinator becomes the leader
            leaderAnnouncerLatch.countDown();
        }

        @Override
        public void unannounce(DruidNode node) {
            leaderUnannouncerLatch.countDown();
        }
    }, druidNode, loadManagementPeons, null, new HashSet<>(), groups, new CostBalancerStrategyFactory(), EasyMock.createNiceMock(LookupCoordinatorManager.class), new TestDruidLeaderSelector(), null, ZkEnablementConfig.ENABLED);
    coordinator.start();
    // Wait until group 1 duty ran for latch1 to countdown
    latch1.await();
    // Wait until group 2 duty ran for latch2 to countdown
    latch2.await();
}

Example 3 with CoordinatorCustomDutyGroup

use of org.apache.druid.server.coordinator.duty.CoordinatorCustomDutyGroup in project druid by druid-io.

the class DruidCoordinator method becomeLeader.

private void becomeLeader() {
    synchronized (lock) {
        if (!started) {
            return;
        }
        log.info("I am the leader of the coordinators, all must bow! Starting coordination in [%s].", config.getCoordinatorStartDelay());
        segmentsMetadataManager.startPollingDatabasePeriodically();
        metadataRuleManager.start();
        lookupCoordinatorManager.start();
        serviceAnnouncer.announce(self);
        final int startingLeaderCounter = coordLeaderSelector.localTerm();
        final List<Pair<? extends DutiesRunnable, Duration>> dutiesRunnables = new ArrayList<>();
        dutiesRunnables.add(Pair.of(new DutiesRunnable(makeHistoricalManagementDuties(), startingLeaderCounter, HISTORICAL_MANAGEMENT_DUTIES_DUTY_GROUP), config.getCoordinatorPeriod()));
        if (indexingServiceClient != null) {
            dutiesRunnables.add(Pair.of(new DutiesRunnable(makeIndexingServiceDuties(), startingLeaderCounter, INDEXING_SERVICE_DUTIES_DUTY_GROUP), config.getCoordinatorIndexingPeriod()));
        }
        dutiesRunnables.add(Pair.of(new DutiesRunnable(makeMetadataStoreManagementDuties(), startingLeaderCounter, METADATA_STORE_MANAGEMENT_DUTIES_DUTY_GROUP), config.getCoordinatorMetadataStoreManagementPeriod()));
        for (CoordinatorCustomDutyGroup customDutyGroup : customDutyGroups.getCoordinatorCustomDutyGroups()) {
            dutiesRunnables.add(Pair.of(new DutiesRunnable(customDutyGroup.getCustomDutyList(), startingLeaderCounter, customDutyGroup.getName()), customDutyGroup.getPeriod()));
            log.info("Done making custom coordinator duties %s for group %s", customDutyGroup.getCustomDutyList().stream().map(duty -> duty.getClass().getName()).collect(Collectors.toList()), customDutyGroup.getName());
        }
        for (final Pair<? extends DutiesRunnable, Duration> dutiesRunnable : dutiesRunnables) {
            // CompactSegmentsDuty can takes a non trival amount of time to complete.
            // Hence, we schedule at fixed rate to make sure the other tasks still run at approximately every
            // config.getCoordinatorIndexingPeriod() period. Note that cautious should be taken
            // if setting config.getCoordinatorIndexingPeriod() lower than the default value.
            ScheduledExecutors.scheduleAtFixedRate(exec, config.getCoordinatorStartDelay(), dutiesRunnable.rhs, new Callable<ScheduledExecutors.Signal>() {

                private final DutiesRunnable theRunnable = dutiesRunnable.lhs;

                @Override
                public ScheduledExecutors.Signal call() {
                    if (coordLeaderSelector.isLeader() && startingLeaderCounter == coordLeaderSelector.localTerm()) {
                        theRunnable.run();
                    }
                    if (coordLeaderSelector.isLeader() && startingLeaderCounter == coordLeaderSelector.localTerm()) {
                        // (We might no longer be leader)
                        return ScheduledExecutors.Signal.REPEAT;
                    } else {
                        return ScheduledExecutors.Signal.STOP;
                    }
                }
            });
        }
    }
}

Example 4 with CoordinatorCustomDutyGroup

use of org.apache.druid.server.coordinator.duty.CoordinatorCustomDutyGroup in project druid by druid-io.

the class DruidCoordinatorTest method testInitializeCompactSegmentsDutyWhenCustomDutyGroupContainsCompactSegments.

@Test
public void testInitializeCompactSegmentsDutyWhenCustomDutyGroupContainsCompactSegments() {
    DruidCoordinatorConfig differentConfigUsedInCustomGroup = new TestDruidCoordinatorConfig(new Duration(COORDINATOR_START_DELAY), new Duration(COORDINATOR_PERIOD), null, null, null, new Duration(COORDINATOR_PERIOD), null, null, null, null, null, null, null, null, null, null, 10, new Duration("PT0s"), false);
    CoordinatorCustomDutyGroup compactSegmentCustomGroup = new CoordinatorCustomDutyGroup("group1", Duration.standardSeconds(1), ImmutableList.of(new CompactSegments(differentConfigUsedInCustomGroup, null, null)));
    CoordinatorCustomDutyGroups customDutyGroups = new CoordinatorCustomDutyGroups(ImmutableSet.of(compactSegmentCustomGroup));
    coordinator = new DruidCoordinator(druidCoordinatorConfig, new ZkPathsConfig() {

        @Override
        public String getBase() {
            return "druid";
        }
    }, null, segmentsMetadataManager, serverInventoryView, metadataRuleManager, () -> curator, serviceEmitter, scheduledExecutorFactory, null, null, new NoopServiceAnnouncer() {

        @Override
        public void announce(DruidNode node) {
            // count down when this coordinator becomes the leader
            leaderAnnouncerLatch.countDown();
        }

        @Override
        public void unannounce(DruidNode node) {
            leaderUnannouncerLatch.countDown();
        }
    }, druidNode, loadManagementPeons, ImmutableSet.of(), new HashSet<>(), customDutyGroups, new CostBalancerStrategyFactory(), EasyMock.createNiceMock(LookupCoordinatorManager.class), new TestDruidLeaderSelector(), null, ZkEnablementConfig.ENABLED);
    // Since CompactSegments is enabled in Custom Duty Group, then CompactSegments must not be created in IndexingServiceDuties
    List<CoordinatorDuty> indexingDuties = coordinator.makeIndexingServiceDuties();
    Assert.assertTrue(indexingDuties.stream().noneMatch(coordinatorDuty -> coordinatorDuty instanceof CompactSegments));
    // CompactSegments should exist in Custom Duty Group
    List<CompactSegments> compactSegmentsDutyFromCustomGroups = coordinator.getCompactSegmentsDutyFromCustomGroups();
    Assert.assertFalse(compactSegmentsDutyFromCustomGroups.isEmpty());
    Assert.assertEquals(1, compactSegmentsDutyFromCustomGroups.size());
    Assert.assertNotNull(compactSegmentsDutyFromCustomGroups.get(0));
    Assert.assertTrue(compactSegmentsDutyFromCustomGroups.get(0) instanceof CompactSegments);
    // CompactSegments returned by this method should be from the Custom Duty Group
    CompactSegments duty = coordinator.initializeCompactSegmentsDuty();
    Assert.assertNotNull(duty);
    Assert.assertNotEquals(druidCoordinatorConfig.getCompactionSkipLockedIntervals(), duty.isSkipLockedIntervals());
    // We should get the CompactSegment from the custom duty group which was created with a different config than the config in DruidCoordinator
    Assert.assertEquals(differentConfigUsedInCustomGroup.getCompactionSkipLockedIntervals(), duty.isSkipLockedIntervals());
}