/
BrokerService.java
1652 lines (1470 loc) · 78.9 KB
/
BrokerService.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.pulsar.broker.service;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.apache.bookkeeper.mledger.util.SafeRun.safeRun;
import static org.apache.commons.collections.CollectionUtils.isEmpty;
import static org.apache.commons.lang3.StringUtils.isNotBlank;
import static org.apache.pulsar.broker.cache.ConfigurationCacheService.POLICIES;
import static org.apache.pulsar.broker.cache.LocalZooKeeperCacheService.LOCAL_POLICIES_ROOT;
import static org.apache.pulsar.broker.web.PulsarWebResource.joinPath;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Queues;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.buffer.ByteBuf;
import io.netty.channel.AdaptiveRecvByteBufAllocator;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.handler.ssl.SslContext;
import io.netty.util.concurrent.DefaultThreadFactory;
import java.io.Closeable;
import java.io.IOException;
import java.lang.reflect.Field;
import java.net.InetSocketAddress;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.Semaphore;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import java.util.concurrent.atomic.LongAdder;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import java.util.function.Consumer;
import java.util.function.Predicate;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.Setter;
import org.apache.bookkeeper.common.util.OrderedExecutor;
import org.apache.bookkeeper.common.util.OrderedScheduler;
import org.apache.bookkeeper.mledger.AsyncCallbacks.OpenLedgerCallback;
import org.apache.bookkeeper.mledger.ManagedLedger;
import org.apache.bookkeeper.mledger.ManagedLedgerConfig;
import org.apache.bookkeeper.mledger.ManagedLedgerException;
import org.apache.bookkeeper.mledger.ManagedLedgerException.ManagedLedgerNotFoundException;
import org.apache.bookkeeper.mledger.ManagedLedgerFactory;
import org.apache.bookkeeper.util.ZkUtils;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.apache.commons.lang3.tuple.Pair;
import org.apache.pulsar.broker.PulsarServerException;
import org.apache.pulsar.broker.PulsarService;
import org.apache.pulsar.broker.ServiceConfiguration;
import org.apache.pulsar.broker.admin.AdminResource;
import org.apache.pulsar.broker.authentication.AuthenticationService;
import org.apache.pulsar.broker.authorization.AuthorizationService;
import org.apache.pulsar.broker.delayed.DelayedDeliveryTrackerFactory;
import org.apache.pulsar.broker.delayed.DelayedDeliveryTrackerLoader;
import org.apache.pulsar.broker.loadbalance.LoadManager;
import org.apache.pulsar.broker.service.BrokerServiceException.NamingException;
import org.apache.pulsar.broker.service.BrokerServiceException.NotAllowedException;
import org.apache.pulsar.broker.service.BrokerServiceException.PersistenceException;
import org.apache.pulsar.broker.service.BrokerServiceException.ServerMetadataException;
import org.apache.pulsar.broker.service.BrokerServiceException.ServiceUnitNotReadyException;
import org.apache.pulsar.broker.service.nonpersistent.NonPersistentTopic;
import org.apache.pulsar.broker.service.persistent.PersistentDispatcherMultipleConsumers;
import org.apache.pulsar.broker.service.persistent.PersistentTopic;
import org.apache.pulsar.broker.stats.ClusterReplicationMetrics;
import org.apache.pulsar.broker.web.PulsarWebResource;
import org.apache.pulsar.broker.zookeeper.aspectj.ClientCnxnAspect;
import org.apache.pulsar.broker.zookeeper.aspectj.ClientCnxnAspect.EventListner;
import org.apache.pulsar.broker.zookeeper.aspectj.ClientCnxnAspect.EventType;
import org.apache.pulsar.client.api.ClientBuilder;
import org.apache.pulsar.client.api.PulsarClient;
import org.apache.pulsar.client.api.PulsarClientException;
import org.apache.pulsar.client.impl.ClientBuilderImpl;
import org.apache.pulsar.client.impl.PulsarClientImpl;
import org.apache.pulsar.client.impl.conf.ClientConfigurationData;
import org.apache.pulsar.common.allocator.PulsarByteBufAllocator;
import org.apache.pulsar.common.configuration.FieldContext;
import org.apache.pulsar.common.naming.NamespaceBundle;
import org.apache.pulsar.common.naming.NamespaceBundleFactory;
import org.apache.pulsar.common.naming.NamespaceBundles;
import org.apache.pulsar.common.naming.NamespaceName;
import org.apache.pulsar.common.naming.TopicDomain;
import org.apache.pulsar.common.naming.TopicName;
import org.apache.pulsar.common.policies.data.ClusterData;
import org.apache.pulsar.common.policies.data.LocalPolicies;
import org.apache.pulsar.common.policies.data.PersistencePolicies;
import org.apache.pulsar.common.policies.data.PersistentOfflineTopicStats;
import org.apache.pulsar.common.policies.data.Policies;
import org.apache.pulsar.common.policies.data.RetentionPolicies;
import org.apache.pulsar.common.policies.data.TopicStats;
import org.apache.pulsar.common.stats.Metrics;
import org.apache.pulsar.common.util.FieldParser;
import org.apache.pulsar.common.util.FutureUtil;
import org.apache.pulsar.common.util.ObjectMapperFactory;
import org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap;
import org.apache.pulsar.common.util.collections.ConcurrentOpenHashSet;
import org.apache.pulsar.common.util.netty.EventLoopUtil;
import org.apache.pulsar.policies.data.loadbalancer.NamespaceBundleStats;
import org.apache.pulsar.zookeeper.ZkIsolatedBookieEnsemblePlacementPolicy;
import org.apache.pulsar.zookeeper.ZooKeeperCacheListener;
import org.apache.pulsar.zookeeper.ZooKeeperDataCache;
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.ZooDefs.Ids;
import org.apache.zookeeper.data.Stat;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Getter(AccessLevel.PUBLIC)
@Setter(AccessLevel.PROTECTED)
public class BrokerService implements Closeable, ZooKeeperCacheListener<Policies> {
private static final Logger log = LoggerFactory.getLogger(BrokerService.class);
private final PulsarService pulsar;
private final ManagedLedgerFactory managedLedgerFactory;
private final ConcurrentOpenHashMap<String, CompletableFuture<Optional<Topic>>> topics;
private final ConcurrentOpenHashMap<String, PulsarClient> replicationClients;
// Multi-layer topics map:
// Namespace --> Bundle --> topicName --> topic
private final ConcurrentOpenHashMap<String, ConcurrentOpenHashMap<String, ConcurrentOpenHashMap<String, Topic>>> multiLayerTopicsMap;
private int numberOfNamespaceBundles = 0;
private final EventLoopGroup acceptorGroup;
private final EventLoopGroup workerGroup;
private final OrderedExecutor topicOrderedExecutor;
// offline topic backlog cache
private final ConcurrentOpenHashMap<TopicName, PersistentOfflineTopicStats> offlineTopicStatCache;
private static final ConcurrentOpenHashMap<String, ConfigField> dynamicConfigurationMap = prepareDynamicConfigurationMap();
private final ConcurrentOpenHashMap<String, Consumer<?>> configRegisteredListeners;
private final ConcurrentLinkedQueue<Pair<String, CompletableFuture<Optional<Topic>>>> pendingTopicLoadingQueue;
private AuthorizationService authorizationService = null;
private final ScheduledExecutorService statsUpdater;
private final ScheduledExecutorService backlogQuotaChecker;
protected final AtomicReference<Semaphore> lookupRequestSemaphore;
protected final AtomicReference<Semaphore> topicLoadRequestSemaphore;
private final ScheduledExecutorService inactivityMonitor;
private final ScheduledExecutorService messageExpiryMonitor;
private final ScheduledExecutorService compactionMonitor;
private DistributedIdGenerator producerNameGenerator;
public final static String producerNameGeneratorPath = "/counters/producer-name";
private final BacklogQuotaManager backlogQuotaManager;
private final int keepAliveIntervalSeconds;
private final PulsarStats pulsarStats;
private final EventListner zkStatsListener;
private final AuthenticationService authenticationService;
public static final String BROKER_SERVICE_CONFIGURATION_PATH = "/admin/configuration";
private final ZooKeeperDataCache<Map<String, String>> dynamicConfigurationCache;
private static final LongAdder totalUnackedMessages = new LongAdder();
private final int maxUnackedMessages;
public final int maxUnackedMsgsPerDispatcher;
private static final AtomicBoolean blockedDispatcherOnHighUnackedMsgs = new AtomicBoolean(false);
private final ConcurrentOpenHashSet<PersistentDispatcherMultipleConsumers> blockedDispatchers;
private final ReadWriteLock lock = new ReentrantReadWriteLock();
private final DelayedDeliveryTrackerFactory delayedDeliveryTrackerFactory;
public BrokerService(PulsarService pulsar) throws Exception {
this.pulsar = pulsar;
this.managedLedgerFactory = pulsar.getManagedLedgerFactory();
this.topics = new ConcurrentOpenHashMap<>();
this.replicationClients = new ConcurrentOpenHashMap<>();
this.keepAliveIntervalSeconds = pulsar.getConfiguration().getKeepAliveIntervalSeconds();
this.configRegisteredListeners = new ConcurrentOpenHashMap<>();
this.pendingTopicLoadingQueue = Queues.newConcurrentLinkedQueue();
this.multiLayerTopicsMap = new ConcurrentOpenHashMap<>();
this.pulsarStats = new PulsarStats(pulsar);
this.offlineTopicStatCache = new ConcurrentOpenHashMap<>();
this.topicOrderedExecutor = OrderedScheduler.newSchedulerBuilder()
.numThreads(pulsar.getConfiguration().getNumWorkerThreadsForNonPersistentTopic())
.name("broker-topic-workers").build();
final DefaultThreadFactory acceptorThreadFactory = new DefaultThreadFactory("pulsar-acceptor");
final DefaultThreadFactory workersThreadFactory = new DefaultThreadFactory("pulsar-io");
final int numThreads = pulsar.getConfiguration().getNumIOThreads();
log.info("Using {} threads for broker service IO", numThreads);
this.acceptorGroup = EventLoopUtil.newEventLoopGroup(1, acceptorThreadFactory);
this.workerGroup = EventLoopUtil.newEventLoopGroup(numThreads, workersThreadFactory);
this.statsUpdater = Executors
.newSingleThreadScheduledExecutor(new DefaultThreadFactory("pulsar-stats-updater"));
if (pulsar.getConfiguration().isAuthorizationEnabled()) {
this.authorizationService = new AuthorizationService(pulsar.getConfiguration(),
pulsar.getConfigurationCache());
}
if (pulsar.getConfigurationCache() != null) {
pulsar.getConfigurationCache().policiesCache().registerListener(this);
}
this.inactivityMonitor = Executors
.newSingleThreadScheduledExecutor(new DefaultThreadFactory("pulsar-inactivity-monitor"));
this.messageExpiryMonitor = Executors
.newSingleThreadScheduledExecutor(new DefaultThreadFactory("pulsar-msg-expiry-monitor"));
this.compactionMonitor =
Executors.newSingleThreadScheduledExecutor(new DefaultThreadFactory("pulsar-compaction-monitor"));
this.backlogQuotaManager = new BacklogQuotaManager(pulsar);
this.backlogQuotaChecker = Executors
.newSingleThreadScheduledExecutor(new DefaultThreadFactory("pulsar-backlog-quota-checker"));
this.authenticationService = new AuthenticationService(pulsar.getConfiguration());
this.dynamicConfigurationCache = new ZooKeeperDataCache<Map<String, String>>(pulsar().getLocalZkCache()) {
@Override
public Map<String, String> deserialize(String key, byte[] content) throws Exception {
return ObjectMapperFactory.getThreadLocal().readValue(content, HashMap.class);
}
};
this.blockedDispatchers = new ConcurrentOpenHashSet<>();
// update dynamic configuration and register-listener
updateConfigurationAndRegisterListeners();
this.lookupRequestSemaphore = new AtomicReference<Semaphore>(
new Semaphore(pulsar.getConfiguration().getMaxConcurrentLookupRequest(), false));
this.topicLoadRequestSemaphore = new AtomicReference<Semaphore>(
new Semaphore(pulsar.getConfiguration().getMaxConcurrentTopicLoadRequest(), false));
if (pulsar.getConfiguration().getMaxUnackedMessagesPerBroker() > 0
&& pulsar.getConfiguration().getMaxUnackedMessagesPerSubscriptionOnBrokerBlocked() > 0.0) {
this.maxUnackedMessages = pulsar.getConfiguration().getMaxUnackedMessagesPerBroker();
this.maxUnackedMsgsPerDispatcher = (int) ((maxUnackedMessages
* pulsar.getConfiguration().getMaxUnackedMessagesPerSubscriptionOnBrokerBlocked()) / 100);
log.info("Enabling per-broker unack-message limit {} and dispatcher-limit {} on blocked-broker",
maxUnackedMessages, maxUnackedMsgsPerDispatcher);
// block misbehaving dispatcher by checking periodically
pulsar.getExecutor().scheduleAtFixedRate(() -> checkUnAckMessageDispatching(), 600, 30, TimeUnit.SECONDS);
} else {
this.maxUnackedMessages = 0;
this.maxUnackedMsgsPerDispatcher = 0;
log.info(
"Disabling per broker unack-msg blocking due invalid unAckMsgSubscriptionPercentageLimitOnBrokerBlocked {} ",
pulsar.getConfiguration().getMaxUnackedMessagesPerSubscriptionOnBrokerBlocked());
}
// register listener to capture zk-latency
zkStatsListener = (eventType, latencyMs) -> pulsarStats.recordZkLatencyTimeValue(eventType, latencyMs);
this.delayedDeliveryTrackerFactory = DelayedDeliveryTrackerLoader
.loadDelayedDeliveryTrackerFactory(pulsar.getConfiguration());
}
public void start() throws Exception {
this.producerNameGenerator = new DistributedIdGenerator(pulsar.getZkClient(), producerNameGeneratorPath,
pulsar.getConfiguration().getClusterName());
ServerBootstrap bootstrap = new ServerBootstrap();
bootstrap.childOption(ChannelOption.ALLOCATOR, PulsarByteBufAllocator.DEFAULT);
bootstrap.group(acceptorGroup, workerGroup);
bootstrap.childOption(ChannelOption.TCP_NODELAY, true);
bootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR,
new AdaptiveRecvByteBufAllocator(1024, 16 * 1024, 1 * 1024 * 1024));
bootstrap.channel(EventLoopUtil.getServerSocketChannelClass(workerGroup));
EventLoopUtil.enableTriggeredMode(bootstrap);
ServiceConfiguration serviceConfig = pulsar.getConfiguration();
bootstrap.childHandler(new PulsarChannelInitializer(pulsar, false));
Optional<Integer> port = serviceConfig.getBrokerServicePort();
if (port.isPresent()) {
// Bind and start to accept incoming connections.
InetSocketAddress addr = new InetSocketAddress(pulsar.getBindAddress(), port.get());
try {
bootstrap.bind(addr).sync();
} catch (Exception e) {
throw new IOException("Failed to bind Pulsar broker on " + addr, e);
}
log.info("Started Pulsar Broker service on port {}", port.get());
}
Optional<Integer> tlsPort = serviceConfig.getBrokerServicePortTls();
if (tlsPort.isPresent()) {
ServerBootstrap tlsBootstrap = bootstrap.clone();
tlsBootstrap.childHandler(new PulsarChannelInitializer(pulsar, true));
tlsBootstrap.bind(new InetSocketAddress(pulsar.getBindAddress(), tlsPort.get())).sync();
log.info("Started Pulsar Broker TLS service on port {} - TLS provider: {}", tlsPort.get(),
SslContext.defaultServerProvider());
}
// start other housekeeping functions
this.startStatsUpdater(
serviceConfig.getStatsUpdateInitialDelayInSecs(),
serviceConfig.getStatsUpdateFrequencyInSecs());
this.startInactivityMonitor();
this.startMessageExpiryMonitor();
this.startCompactionMonitor();
this.startBacklogQuotaChecker();
// register listener to capture zk-latency
ClientCnxnAspect.addListener(zkStatsListener);
ClientCnxnAspect.registerExecutor(pulsar.getExecutor());
}
protected void startStatsUpdater(int statsUpdateInitailDelayInSecs, int statsUpdateFrequencyInSecs) {
statsUpdater.scheduleAtFixedRate(safeRun(this::updateRates),
statsUpdateInitailDelayInSecs, statsUpdateFrequencyInSecs, TimeUnit.SECONDS);
// Ensure the broker starts up with initial stats
updateRates();
}
protected void startInactivityMonitor() {
if (pulsar().getConfiguration().isBrokerDeleteInactiveTopicsEnabled()) {
int interval = pulsar().getConfiguration().getBrokerServicePurgeInactiveFrequencyInSeconds();
inactivityMonitor.scheduleAtFixedRate(safeRun(() -> checkGC(interval)), interval, interval,
TimeUnit.SECONDS);
}
// Deduplication info checker
long duplicationCheckerIntervalInSeconds = TimeUnit.MINUTES
.toSeconds(pulsar().getConfiguration().getBrokerDeduplicationProducerInactivityTimeoutMinutes()) / 3;
inactivityMonitor.scheduleAtFixedRate(safeRun(this::checkMessageDeduplicationInfo), duplicationCheckerIntervalInSeconds,
duplicationCheckerIntervalInSeconds, TimeUnit.SECONDS);
// Inactive subscriber checker
if (pulsar().getConfiguration().getSubscriptionExpirationTimeMinutes() > 0) {
long subscriptionExpiryCheckIntervalInSeconds =
TimeUnit.MINUTES.toSeconds(pulsar().getConfiguration().getSubscriptionExpiryCheckIntervalInMinutes());
inactivityMonitor.scheduleAtFixedRate(safeRun(this::checkInactiveSubscriptions),
subscriptionExpiryCheckIntervalInSeconds, subscriptionExpiryCheckIntervalInSeconds, TimeUnit.SECONDS);
}
}
protected void startMessageExpiryMonitor() {
int interval = pulsar().getConfiguration().getMessageExpiryCheckIntervalInMinutes();
messageExpiryMonitor.scheduleAtFixedRate(safeRun(this::checkMessageExpiry), interval, interval,
TimeUnit.MINUTES);
}
protected void startCompactionMonitor() {
int interval = pulsar().getConfiguration().getBrokerServiceCompactionMonitorIntervalInSeconds();
if (interval > 0) {
compactionMonitor.scheduleAtFixedRate(safeRun(() -> checkCompaction()),
interval, interval, TimeUnit.SECONDS);
}
}
protected void startBacklogQuotaChecker() {
if (pulsar().getConfiguration().isBacklogQuotaCheckEnabled()) {
final int interval = pulsar().getConfiguration().getBacklogQuotaCheckIntervalInSeconds();
log.info("Scheduling a thread to check backlog quota after [{}] seconds in background", interval);
backlogQuotaChecker.scheduleAtFixedRate(safeRun(this::monitorBacklogQuota), interval, interval,
TimeUnit.SECONDS);
} else {
log.info("Backlog quota check monitoring is disabled");
}
}
@Override
public void close() throws IOException {
log.info("Shutting down Pulsar Broker service");
if (pulsar.getConfigurationCache() != null) {
pulsar.getConfigurationCache().policiesCache().unregisterListener(this);
}
// unloads all namespaces gracefully without disrupting mutually
unloadNamespaceBundlesGracefully();
// close replication clients
replicationClients.forEach((cluster, client) -> {
try {
client.shutdown();
} catch (PulsarClientException e) {
log.warn("Error shutting down repl client for cluster {}", cluster, e);
}
});
acceptorGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
statsUpdater.shutdown();
inactivityMonitor.shutdown();
messageExpiryMonitor.shutdown();
compactionMonitor.shutdown();
backlogQuotaChecker.shutdown();
authenticationService.close();
pulsarStats.close();
ClientCnxnAspect.removeListener(zkStatsListener);
ClientCnxnAspect.registerExecutor(null);
topicOrderedExecutor.shutdown();
delayedDeliveryTrackerFactory.close();
log.info("Broker service completely shut down");
}
/**
* It unloads all owned namespacebundles gracefully.
* <ul>
* <li>First it makes current broker unavailable and isolates from the clusters so, it will not serve any new
* requests.</li>
* <li>Second it starts unloading namespace bundle one by one without closing the connection in order to avoid
* disruption for other namespacebundles which are sharing the same connection from the same client.</li>
* <ul>
*
*/
public void unloadNamespaceBundlesGracefully() {
try {
// make broker-node unavailable from the cluster
if (pulsar.getLoadManager() != null && pulsar.getLoadManager().get() != null) {
try {
pulsar.getLoadManager().get().disableBroker();
} catch (PulsarServerException.NotFoundException ne) {
log.warn("Broker load-manager znode doesn't exist ", ne);
// still continue and release bundle ownership as broker's registration node doesn't exist.
}
}
// unload all namespace-bundles gracefully
long closeTopicsStartTime = System.nanoTime();
Set<NamespaceBundle> serviceUnits = pulsar.getNamespaceService().getOwnedServiceUnits();
serviceUnits.forEach(su -> {
if (su instanceof NamespaceBundle) {
try {
pulsar.getNamespaceService().unloadNamespaceBundle((NamespaceBundle) su, 1, TimeUnit.MINUTES);
} catch (Exception e) {
log.warn("Failed to unload namespace bundle {}", su, e);
}
}
});
double closeTopicsTimeSeconds = TimeUnit.NANOSECONDS.toMillis((System.nanoTime() - closeTopicsStartTime))
/ 1000.0;
log.info("Unloading {} namespace-bundles completed in {} seconds", serviceUnits.size(),
closeTopicsTimeSeconds);
} catch (Exception e) {
log.error("Failed to disable broker from loadbalancer list {}", e.getMessage(), e);
}
}
public CompletableFuture<Optional<Topic>> getTopicIfExists(final String topic) {
return getTopic(topic, false /* createIfMissing */);
}
public CompletableFuture<Topic> getOrCreateTopic(final String topic) {
return getTopic(topic, pulsar.getConfiguration().isAllowAutoTopicCreation()).thenApply(Optional::get);
}
public CompletableFuture<Optional<Topic>> getTopic(final String topic, boolean createIfMissing) {
try {
CompletableFuture<Optional<Topic>> topicFuture = topics.get(topic);
if (topicFuture != null) {
if (topicFuture.isCompletedExceptionally()
|| (topicFuture.isDone() && !topicFuture.getNow(Optional.empty()).isPresent())) {
// Exceptional topics should be recreated.
topics.remove(topic, topicFuture);
} else {
return topicFuture;
}
}
final boolean isPersistentTopic = TopicName.get(topic).getDomain().equals(TopicDomain.persistent);
return topics.computeIfAbsent(topic, (topicName) -> {
return isPersistentTopic ? this.loadOrCreatePersistentTopic(topicName, createIfMissing)
: createNonPersistentTopic(topicName);
});
} catch (IllegalArgumentException e) {
log.warn("[{}] Illegalargument exception when loading topic", topic, e);
return failedFuture(e);
} catch (RuntimeException e) {
Throwable cause = e.getCause();
if (cause instanceof ServiceUnitNotReadyException) {
log.warn("[{}] Service unit is not ready when loading the topic", topic);
} else {
log.warn("[{}] Unexpected exception when loading topic: {}", topic, e.getMessage(), e);
}
return failedFuture(cause);
}
}
private CompletableFuture<Optional<Topic>> createNonPersistentTopic(String topic) {
CompletableFuture<Optional<Topic>> topicFuture = new CompletableFuture<>();
if (!pulsar.getConfiguration().isEnableNonPersistentTopics()) {
if (log.isDebugEnabled()) {
log.debug("Broker is unable to load non-persistent topic {}", topic);
}
topicFuture.completeExceptionally(
new NotAllowedException("Broker is not unable to load non-persistent topic"));
return topicFuture;
}
final long topicCreateTimeMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime());
NonPersistentTopic nonPersistentTopic = new NonPersistentTopic(topic, this);
CompletableFuture<Void> replicationFuture = nonPersistentTopic.checkReplication();
replicationFuture.thenRun(() -> {
log.info("Created topic {}", nonPersistentTopic);
long topicLoadLatencyMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime()) - topicCreateTimeMs;
pulsarStats.recordTopicLoadTimeValue(topic, topicLoadLatencyMs);
addTopicToStatsMaps(TopicName.get(topic), nonPersistentTopic);
topicFuture.complete(Optional.of(nonPersistentTopic));
});
replicationFuture.exceptionally((ex) -> {
log.warn("Replication check failed. Removing topic from topics list {}, {}", topic, ex);
nonPersistentTopic.stopReplProducers().whenComplete((v, exception) -> {
pulsar.getExecutor().execute(() -> topics.remove(topic, topicFuture));
topicFuture.completeExceptionally(ex);
});
return null;
});
return topicFuture;
}
private static <T> CompletableFuture<T> failedFuture(Throwable t) {
CompletableFuture<T> future = new CompletableFuture<>();
future.completeExceptionally(t);
return future;
}
public PulsarClient getReplicationClient(String cluster) {
PulsarClient client = replicationClients.get(cluster);
if (client != null) {
return client;
}
return replicationClients.computeIfAbsent(cluster, key -> {
try {
String path = PulsarWebResource.path("clusters", cluster);
ClusterData data = this.pulsar.getConfigurationCache().clustersCache().get(path)
.orElseThrow(() -> new KeeperException.NoNodeException(path));
ClientBuilder clientBuilder = PulsarClient.builder()
.enableTcpNoDelay(false)
.connectionsPerBroker(pulsar.getConfiguration().getReplicationConnectionsPerBroker())
.statsInterval(0, TimeUnit.SECONDS);
if (pulsar.getConfiguration().isAuthenticationEnabled()) {
clientBuilder.authentication(pulsar.getConfiguration().getBrokerClientAuthenticationPlugin(),
pulsar.getConfiguration().getBrokerClientAuthenticationParameters());
}
if (pulsar.getConfiguration().isBrokerClientTlsEnabled()) {
clientBuilder
.serviceUrl(isNotBlank(data.getBrokerServiceUrlTls()) ? data.getBrokerServiceUrlTls()
: data.getServiceUrlTls())
.enableTls(true)
.tlsTrustCertsFilePath(pulsar.getConfiguration().getBrokerClientTrustCertsFilePath())
.allowTlsInsecureConnection(pulsar.getConfiguration().isTlsAllowInsecureConnection());
} else {
clientBuilder.serviceUrl(
isNotBlank(data.getBrokerServiceUrl()) ? data.getBrokerServiceUrl() : data.getServiceUrl());
}
// Share all the IO threads across broker and client connections
ClientConfigurationData conf = ((ClientBuilderImpl) clientBuilder).getClientConfigurationData();
return new PulsarClientImpl(conf, workerGroup);
} catch (Exception e) {
throw new RuntimeException(e);
}
});
}
/**
* It creates a topic async and returns CompletableFuture. It also throttles down configured max-concurrent topic
* loading and puts them into queue once in-process topics are created.
*
* @param topic persistent-topic name
* @return CompletableFuture<Topic>
* @throws RuntimeException
*/
protected CompletableFuture<Optional<Topic>> loadOrCreatePersistentTopic(final String topic,
boolean createIfMissing) throws RuntimeException {
checkTopicNsOwnership(topic);
final CompletableFuture<Optional<Topic>> topicFuture = new CompletableFuture<>();
if (!pulsar.getConfiguration().isEnablePersistentTopics()) {
if (log.isDebugEnabled()) {
log.debug("Broker is unable to load persistent topic {}", topic);
}
topicFuture.completeExceptionally(new NotAllowedException("Broker is not unable to load persistent topic"));
return topicFuture;
}
final Semaphore topicLoadSemaphore = topicLoadRequestSemaphore.get();
if (topicLoadSemaphore.tryAcquire()) {
createPersistentTopic(topic, createIfMissing, topicFuture);
topicFuture.handle((persistentTopic, ex) -> {
// release permit and process pending topic
topicLoadSemaphore.release();
createPendingLoadTopic();
return null;
});
} else {
pendingTopicLoadingQueue.add(new ImmutablePair<String, CompletableFuture<Optional<Topic>>>(topic, topicFuture));
if (log.isDebugEnabled()) {
log.debug("topic-loading for {} added into pending queue", topic);
}
}
return topicFuture;
}
private void createPersistentTopic(final String topic, boolean createIfMissing,
CompletableFuture<Optional<Topic>> topicFuture) {
final long topicCreateTimeMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime());
TopicName topicName = TopicName.get(topic);
if (!pulsar.getNamespaceService().isServiceUnitActive(topicName)) {
// namespace is being unloaded
String msg = String.format("Namespace is being unloaded, cannot add topic %s", topic);
log.warn(msg);
pulsar.getExecutor().execute(() -> topics.remove(topic, topicFuture));
topicFuture.completeExceptionally(new ServiceUnitNotReadyException(msg));
return;
}
getManagedLedgerConfig(topicName).thenAccept(managedLedgerConfig -> {
managedLedgerConfig.setCreateIfMissing(createIfMissing);
// Once we have the configuration, we can proceed with the async open operation
managedLedgerFactory.asyncOpen(topicName.getPersistenceNamingEncoding(), managedLedgerConfig,
new OpenLedgerCallback() {
@Override
public void openLedgerComplete(ManagedLedger ledger, Object ctx) {
try {
PersistentTopic persistentTopic = new PersistentTopic(topic, ledger,
BrokerService.this);
CompletableFuture<Void> replicationFuture = persistentTopic.checkReplication();
replicationFuture.thenCompose(v -> {
// Also check dedup status
return persistentTopic.checkDeduplicationStatus();
}).thenRun(() -> {
log.info("Created topic {} - dedup is {}", topic,
persistentTopic.isDeduplicationEnabled() ? "enabled" : "disabled");
long topicLoadLatencyMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime())
- topicCreateTimeMs;
pulsarStats.recordTopicLoadTimeValue(topic, topicLoadLatencyMs);
addTopicToStatsMaps(topicName, persistentTopic);
topicFuture.complete(Optional.of(persistentTopic));
}).exceptionally((ex) -> {
log.warn(
"Replication or dedup check failed. Removing topic from topics list {}, {}",
topic, ex);
persistentTopic.stopReplProducers().whenComplete((v, exception) -> {
topics.remove(topic, topicFuture);
topicFuture.completeExceptionally(ex);
});
return null;
});
} catch (NamingException e) {
log.warn("Failed to create topic {}-{}", topic, e.getMessage());
pulsar.getExecutor().execute(() -> topics.remove(topic, topicFuture));
topicFuture.completeExceptionally(e);
}
}
@Override
public void openLedgerFailed(ManagedLedgerException exception, Object ctx) {
if (!createIfMissing && exception instanceof ManagedLedgerNotFoundException) {
// We were just trying to load a topic and the topic doesn't exist
topicFuture.complete(Optional.empty());
} else {
log.warn("Failed to create topic {}", topic, exception);
pulsar.getExecutor().execute(() -> topics.remove(topic, topicFuture));
topicFuture.completeExceptionally(new PersistenceException(exception));
}
}
}, null);
}).exceptionally((exception) -> {
log.warn("[{}] Failed to get topic configuration: {}", topic, exception.getMessage(), exception);
// remove topic from topics-map in different thread to avoid possible deadlock if
// createPersistentTopic-thread only tries to handle this future-result
pulsar.getExecutor().execute(() -> topics.remove(topic, topicFuture));
topicFuture.completeExceptionally(exception);
return null;
});
}
public CompletableFuture<ManagedLedgerConfig> getManagedLedgerConfig(TopicName topicName) {
CompletableFuture<ManagedLedgerConfig> future = new CompletableFuture<>();
// Execute in background thread, since getting the policies might block if the z-node wasn't already cached
pulsar.getOrderedExecutor().executeOrdered(topicName, safeRun(() -> {
NamespaceName namespace = topicName.getNamespaceObject();
ServiceConfiguration serviceConfig = pulsar.getConfiguration();
// Get persistence policy for this topic
Optional<Policies> policies = Optional.empty();
Optional<LocalPolicies> localPolicies = Optional.empty();
try {
policies = pulsar
.getConfigurationCache().policiesCache().get(AdminResource.path(POLICIES,
namespace.toString()));
String path = joinPath(LOCAL_POLICIES_ROOT, topicName.getNamespaceObject().toString());
localPolicies = pulsar().getLocalZkCacheService().policiesCache().get(path);
} catch (Throwable t) {
// Ignoring since if we don't have policies, we fallback on the default
log.warn("Got exception when reading persistence policy for {}: {}", topicName, t.getMessage(), t);
future.completeExceptionally(t);
return;
}
PersistencePolicies persistencePolicies = policies.map(p -> p.persistence).orElseGet(
() -> new PersistencePolicies(serviceConfig.getManagedLedgerDefaultEnsembleSize(),
serviceConfig.getManagedLedgerDefaultWriteQuorum(),
serviceConfig.getManagedLedgerDefaultAckQuorum(),
serviceConfig.getManagedLedgerDefaultMarkDeleteRateLimit()));
RetentionPolicies retentionPolicies = policies.map(p -> p.retention_policies).orElseGet(
() -> new RetentionPolicies(serviceConfig.getDefaultRetentionTimeInMinutes(),
serviceConfig.getDefaultRetentionSizeInMB())
);
ManagedLedgerConfig managedLedgerConfig = new ManagedLedgerConfig();
managedLedgerConfig.setEnsembleSize(persistencePolicies.getBookkeeperEnsemble());
managedLedgerConfig.setWriteQuorumSize(persistencePolicies.getBookkeeperWriteQuorum());
managedLedgerConfig.setAckQuorumSize(persistencePolicies.getBookkeeperAckQuorum());
if (localPolicies.isPresent() && localPolicies.get().bookieAffinityGroup != null) {
managedLedgerConfig
.setBookKeeperEnsemblePlacementPolicyClassName(ZkIsolatedBookieEnsemblePlacementPolicy.class);
Map<String, Object> properties = Maps.newHashMap();
properties.put(ZkIsolatedBookieEnsemblePlacementPolicy.ISOLATION_BOOKIE_GROUPS,
localPolicies.get().bookieAffinityGroup.bookkeeperAffinityGroupPrimary);
properties.put(ZkIsolatedBookieEnsemblePlacementPolicy.SECONDARY_ISOLATION_BOOKIE_GROUPS,
localPolicies.get().bookieAffinityGroup.bookkeeperAffinityGroupSecondary);
managedLedgerConfig.setBookKeeperEnsemblePlacementPolicyProperties(properties);
}
managedLedgerConfig.setThrottleMarkDelete(persistencePolicies.getManagedLedgerMaxMarkDeleteRate());
managedLedgerConfig.setDigestType(serviceConfig.getManagedLedgerDigestType());
managedLedgerConfig.setMaxUnackedRangesToPersist(serviceConfig.getManagedLedgerMaxUnackedRangesToPersist());
managedLedgerConfig.setMaxUnackedRangesToPersistInZk(serviceConfig.getManagedLedgerMaxUnackedRangesToPersistInZooKeeper());
managedLedgerConfig.setMaxEntriesPerLedger(serviceConfig.getManagedLedgerMaxEntriesPerLedger());
managedLedgerConfig.setMinimumRolloverTime(serviceConfig.getManagedLedgerMinLedgerRolloverTimeMinutes(),
TimeUnit.MINUTES);
managedLedgerConfig.setMaximumRolloverTime(serviceConfig.getManagedLedgerMaxLedgerRolloverTimeMinutes(),
TimeUnit.MINUTES);
managedLedgerConfig.setMaxSizePerLedgerMb(2048);
managedLedgerConfig.setMetadataOperationsTimeoutSeconds(
serviceConfig.getManagedLedgerMetadataOperationsTimeoutSeconds());
managedLedgerConfig.setReadEntryTimeoutSeconds(serviceConfig.getManagedLedgerReadEntryTimeoutSeconds());
managedLedgerConfig.setAddEntryTimeoutSeconds(serviceConfig.getManagedLedgerAddEntryTimeoutSeconds());
managedLedgerConfig.setMetadataEnsembleSize(serviceConfig.getManagedLedgerDefaultEnsembleSize());
managedLedgerConfig.setUnackedRangesOpenCacheSetEnabled(
serviceConfig.isManagedLedgerUnackedRangesOpenCacheSetEnabled());
managedLedgerConfig.setMetadataWriteQuorumSize(serviceConfig.getManagedLedgerDefaultWriteQuorum());
managedLedgerConfig.setMetadataAckQuorumSize(serviceConfig.getManagedLedgerDefaultAckQuorum());
managedLedgerConfig
.setMetadataMaxEntriesPerLedger(serviceConfig.getManagedLedgerCursorMaxEntriesPerLedger());
managedLedgerConfig.setLedgerRolloverTimeout(serviceConfig.getManagedLedgerCursorRolloverTimeInSeconds());
managedLedgerConfig.setRetentionTime(retentionPolicies.getRetentionTimeInMinutes(), TimeUnit.MINUTES);
managedLedgerConfig.setRetentionSizeInMB(retentionPolicies.getRetentionSizeInMB());
managedLedgerConfig.setLedgerOffloader(pulsar.getManagedLedgerOffloader());
policies.ifPresent(p -> {
long lag = serviceConfig.getManagedLedgerOffloadDeletionLagMs();
if (p.offload_deletion_lag_ms != null) {
lag = p.offload_deletion_lag_ms;
}
managedLedgerConfig.setOffloadLedgerDeletionLag(lag, TimeUnit.MILLISECONDS);
managedLedgerConfig.setOffloadAutoTriggerSizeThresholdBytes(p.offload_threshold);
});
future.complete(managedLedgerConfig);
}, (exception) -> future.completeExceptionally(exception)));
return future;
}
private void addTopicToStatsMaps(TopicName topicName, Topic topic) {
try {
NamespaceBundle namespaceBundle = pulsar.getNamespaceService().getBundle(topicName);
if (namespaceBundle != null) {
synchronized (multiLayerTopicsMap) {
String serviceUnit = namespaceBundle.toString();
multiLayerTopicsMap //
.computeIfAbsent(topicName.getNamespace(), k -> new ConcurrentOpenHashMap<>()) //
.computeIfAbsent(serviceUnit, k -> new ConcurrentOpenHashMap<>()) //
.put(topicName.toString(), topic);
}
}
invalidateOfflineTopicStatCache(topicName);
} catch (Exception e) {
log.warn("Got exception when retrieving bundle name during create persistent topic", e);
}
}
public void refreshTopicToStatsMaps(NamespaceBundle oldBundle) {
checkNotNull(oldBundle);
try {
// retrieve all topics under existing old bundle
List<Topic> topics = getAllTopicsFromNamespaceBundle(oldBundle.getNamespaceObject().toString(),
oldBundle.toString());
if (!isEmpty(topics)) {
// add topic under new split bundles which already updated into NamespaceBundleFactory.bundleCache
topics.stream().forEach(t -> {
addTopicToStatsMaps(TopicName.get(t.getName()), t);
});
// remove old bundle from the map
synchronized (multiLayerTopicsMap) {
multiLayerTopicsMap.get(oldBundle.getNamespaceObject().toString()).remove(oldBundle.toString());
pulsarStats.invalidBundleStats(oldBundle.toString());
}
}
} catch (Exception e) {
log.warn("Got exception while refreshing topicStats map", e);
}
}
public PersistentOfflineTopicStats getOfflineTopicStat(TopicName topicName) {
return offlineTopicStatCache.get(topicName);
}
public void cacheOfflineTopicStats(TopicName topicName, PersistentOfflineTopicStats offlineTopicStats) {
offlineTopicStatCache.put(topicName, offlineTopicStats);
}
public void invalidateOfflineTopicStatCache(TopicName topicName) {
PersistentOfflineTopicStats removed = offlineTopicStatCache.remove(topicName);
if (removed != null) {
log.info("Removed cached offline topic stat for {} ", topicName.getPersistenceNamingEncoding());
}
}
/**
* Get a reference to a topic that is currently loaded in the broker.
*
* This method will not make the broker attempt to load the topic if it's not already.
*/
public Optional<Topic> getTopicReference(String topic) {
CompletableFuture<Optional<Topic>> future = topics.get(topic);
if (future != null && future.isDone() && !future.isCompletedExceptionally()) {
return future.join();
} else {
return Optional.empty();
}
}
public void updateRates() {
synchronized (pulsarStats) {
pulsarStats.updateStats(multiLayerTopicsMap);
}
}
public void getDimensionMetrics(Consumer<ByteBuf> consumer) {
pulsarStats.getDimensionMetrics(consumer);
}
public List<Metrics> getTopicMetrics() {
return pulsarStats.getTopicMetrics();
}
public Map<String, NamespaceBundleStats> getBundleStats() {
return pulsarStats.getBundleStats();
}
public Semaphore getLookupRequestSemaphore() {
return lookupRequestSemaphore.get();
}
public void checkGC(int gcIntervalInSeconds) {
forEachTopic(topic -> topic.checkGC(gcIntervalInSeconds));
}
public void checkMessageExpiry() {
forEachTopic(Topic::checkMessageExpiry);
}
public void checkCompaction() {
forEachTopic((t) -> {
if (t instanceof PersistentTopic) {
((PersistentTopic) t).checkCompaction();
}
});
}
public void checkMessageDeduplicationInfo() {
forEachTopic(Topic::checkMessageDeduplicationInfo);
}
public void checkInactiveSubscriptions() {
forEachTopic(Topic::checkInactiveSubscriptions);
}
/**
* Iterates over all loaded topics in the broker
*/
public void forEachTopic(Consumer<Topic> consumer) {
topics.forEach((n, t) -> {
Optional<Topic> topic = extractTopic(t);
if (topic.isPresent()) {
consumer.accept(topic.get());
}
});
}
public BacklogQuotaManager getBacklogQuotaManager() {
return this.backlogQuotaManager;
}
/**
*
* @param topic
* needing quota enforcement check
* @return determine if quota enforcement needs to be done for topic
*/
public boolean isBacklogExceeded(PersistentTopic topic) {
TopicName topicName = TopicName.get(topic.getName());
long backlogQuotaLimitInBytes = getBacklogQuotaManager().getBacklogQuotaLimit(topicName.getNamespace());
if (backlogQuotaLimitInBytes < 0) {
return false;
}
if (log.isDebugEnabled()) {
log.debug("[{}] - backlog quota limit = [{}]", topic.getName(), backlogQuotaLimitInBytes);
}
// check if backlog exceeded quota
long storageSize = topic.getBacklogSize();
if (log.isDebugEnabled()) {
log.debug("[{}] Storage size = [{}], limit [{}]", topic.getName(), storageSize, backlogQuotaLimitInBytes);
}
return (storageSize >= backlogQuotaLimitInBytes);
}
public void monitorBacklogQuota() {
forEachTopic(topic -> {
if (topic instanceof PersistentTopic) {
PersistentTopic persistentTopic = (PersistentTopic) topic;
if (isBacklogExceeded(persistentTopic)) {
getBacklogQuotaManager().handleExceededBacklogQuota(persistentTopic);
} else {
if (log.isDebugEnabled()) {
log.debug("quota not exceeded for [{}]", topic.getName());
}
}
}
});
}
public void checkTopicNsOwnership(final String topic) throws RuntimeException {
TopicName topicName = TopicName.get(topic);
boolean ownedByThisInstance;
try {
ownedByThisInstance = pulsar.getNamespaceService().isServiceUnitOwned(topicName);
} catch (Exception e) {
log.debug(String.format("Failed to check the ownership of the topic: %s", topicName), e);
throw new RuntimeException(new ServerMetadataException(e));
}
if (!ownedByThisInstance) {
String msg = String.format("Namespace bundle for topic (%s) not served by this instance. Please redo the lookup. "
+ "Request is denied: namespace=%s", topic, topicName.getNamespace());
log.warn(msg);
throw new RuntimeException(new ServiceUnitNotReadyException(msg));
}
}
/**
* Unload all the topic served by the broker service under the given service unit
*
* @param serviceUnit
* @return
*/
public CompletableFuture<Integer> unloadServiceUnit(NamespaceBundle serviceUnit) {
CompletableFuture<Integer> result = new CompletableFuture<Integer>();
List<CompletableFuture<Void>> closeFutures = Lists.newArrayList();