use of io.druid.server.coordinator.DruidCoordinatorRuntimeParams in project druid by druid-io.
the class DruidCoordinatorRuleRunner method run.
@Override
public DruidCoordinatorRuntimeParams run(DruidCoordinatorRuntimeParams params) {
replicatorThrottler.updateParams(coordinator.getDynamicConfigs().getReplicationThrottleLimit(), coordinator.getDynamicConfigs().getReplicantLifetime());
CoordinatorStats stats = new CoordinatorStats();
DruidCluster cluster = params.getDruidCluster();
if (cluster.isEmpty()) {
log.warn("Uh... I have no servers. Not assigning anything...");
return params;
}
// find available segments which are not overshadowed by other segments in DB
// only those would need to be loaded/dropped
// anything overshadowed by served segments is dropped automatically by DruidCoordinatorCleanupOvershadowed
Map<String, VersionedIntervalTimeline<String, DataSegment>> timelines = new HashMap<>();
for (DataSegment segment : params.getAvailableSegments()) {
VersionedIntervalTimeline<String, DataSegment> timeline = timelines.get(segment.getDataSource());
if (timeline == null) {
timeline = new VersionedIntervalTimeline<>(Comparators.comparable());
timelines.put(segment.getDataSource(), timeline);
}
timeline.add(segment.getInterval(), segment.getVersion(), segment.getShardSpec().createChunk(segment));
}
Set<DataSegment> overshadowed = new HashSet<>();
for (VersionedIntervalTimeline<String, DataSegment> timeline : timelines.values()) {
for (TimelineObjectHolder<String, DataSegment> holder : timeline.findOvershadowed()) {
for (DataSegment dataSegment : holder.getObject().payloads()) {
overshadowed.add(dataSegment);
}
}
}
Set<DataSegment> nonOvershadowed = new HashSet<>();
for (DataSegment dataSegment : params.getAvailableSegments()) {
if (!overshadowed.contains(dataSegment)) {
nonOvershadowed.add(dataSegment);
}
}
for (String tier : cluster.getTierNames()) {
replicatorThrottler.updateReplicationState(tier);
}
DruidCoordinatorRuntimeParams paramsWithReplicationManager = params.buildFromExistingWithoutAvailableSegments().withReplicationManager(replicatorThrottler).withAvailableSegments(nonOvershadowed).build();
// Run through all matched rules for available segments
DateTime now = new DateTime();
MetadataRuleManager databaseRuleManager = paramsWithReplicationManager.getDatabaseRuleManager();
final List<String> segmentsWithMissingRules = Lists.newArrayListWithCapacity(MAX_MISSING_RULES);
int missingRules = 0;
for (DataSegment segment : paramsWithReplicationManager.getAvailableSegments()) {
List<Rule> rules = databaseRuleManager.getRulesWithDefault(segment.getDataSource());
boolean foundMatchingRule = false;
for (Rule rule : rules) {
if (rule.appliesTo(segment, now)) {
stats.accumulate(rule.run(coordinator, paramsWithReplicationManager, segment));
foundMatchingRule = true;
break;
}
}
if (!foundMatchingRule) {
if (segmentsWithMissingRules.size() < MAX_MISSING_RULES) {
segmentsWithMissingRules.add(segment.getIdentifier());
}
missingRules++;
}
}
if (!segmentsWithMissingRules.isEmpty()) {
log.makeAlert("Unable to find matching rules!").addData("segmentsWithMissingRulesCount", missingRules).addData("segmentsWithMissingRules", segmentsWithMissingRules).emit();
}
return paramsWithReplicationManager.buildFromExistingWithoutAvailableSegments().withCoordinatorStats(stats).withAvailableSegments(params.getAvailableSegments()).build();
}
use of io.druid.server.coordinator.DruidCoordinatorRuntimeParams in project druid by druid-io.
the class DruidCoordinatorCleanupOvershadowedTest method testRun.
@Test
public void testRun() {
druidCoordinatorCleanupOvershadowed = new DruidCoordinatorCleanupOvershadowed(coordinator);
availableSegments = ImmutableList.of(segmentV1, segmentV0, segmentV2);
druidCluster = new DruidCluster(ImmutableMap.of("normal", MinMaxPriorityQueue.orderedBy(Ordering.natural().reverse()).create(Arrays.asList(new ServerHolder(druidServer, mockPeon)))));
EasyMock.expect(druidServer.getDataSources()).andReturn(ImmutableList.of(druidDataSource)).anyTimes();
EasyMock.expect(druidDataSource.getSegments()).andReturn(ImmutableSet.<DataSegment>of(segmentV1, segmentV2)).anyTimes();
EasyMock.expect(druidDataSource.getName()).andReturn("test").anyTimes();
coordinator.removeSegment(segmentV1);
coordinator.removeSegment(segmentV0);
EasyMock.expectLastCall();
EasyMock.replay(mockPeon, coordinator, druidServer, druidDataSource);
DruidCoordinatorRuntimeParams params = DruidCoordinatorRuntimeParams.newBuilder().withAvailableSegments(availableSegments).withCoordinatorStats(new CoordinatorStats()).withDruidCluster(druidCluster).build();
druidCoordinatorCleanupOvershadowed.run(params);
EasyMock.verify(coordinator, druidDataSource, druidServer);
}
Aggregations