EDQS: don't use Kafka manual partitions assignment

application/src/main/java/org/thingsboard/server/service/edqs/EdqsSyncService.java

@@ -43,6 +43,7 @@ import org.thingsboard.server.dao.model.sqlts.dictionary.KeyDictionaryEntry;
 import org.thingsboard.server.dao.model.sqlts.latest.TsKvLatestEntity;
 import org.thingsboard.server.dao.sql.relation.RelationRepository;
 import org.thingsboard.server.dao.sqlts.latest.TsKvLatestRepository;
+import org.thingsboard.server.queue.edqs.EdqsConfig;
 
 import java.util.List;
 import java.util.Map;
@@ -75,6 +76,8 @@ public abstract class EdqsSyncService {
     @Autowired
     @Lazy
     private DefaultEdqsService edqsService;
+    @Autowired
+    protected EdqsConfig edqsConfig;
 
     private final ConcurrentHashMap<UUID, EntityIdInfo> entityInfoMap = new ConcurrentHashMap<>();
     private final ConcurrentHashMap<Integer, String> keys = new ConcurrentHashMap<>();

application/src/main/java/org/thingsboard/server/service/edqs/KafkaEdqsSyncService.java

@@ -17,11 +17,14 @@ package org.thingsboard.server.service.edqs;
 
 import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
 import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.msg.queue.TopicPartitionInfo;
 import org.thingsboard.server.queue.edqs.EdqsQueue;
 import org.thingsboard.server.queue.kafka.TbKafkaAdmin;
 import org.thingsboard.server.queue.kafka.TbKafkaSettings;
 
 import java.util.Collections;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
 
 @Service
 @ConditionalOnExpression("'${queue.edqs.sync.enabled:true}' == 'true' && '${queue.type:null}' == 'kafka'")
@@ -31,7 +34,12 @@ public class KafkaEdqsSyncService extends EdqsSyncService {
 
     public KafkaEdqsSyncService(TbKafkaSettings kafkaSettings) {
         TbKafkaAdmin kafkaAdmin = new TbKafkaAdmin(kafkaSettings, Collections.emptyMap());
-        this.syncNeeded = kafkaAdmin.isTopicEmpty(EdqsQueue.EVENTS.getTopic());
+        this.syncNeeded = kafkaAdmin.areAllTopicsEmpty(IntStream.range(0, edqsConfig.getPartitions())
+                .mapToObj(partition -> TopicPartitionInfo.builder()
+                        .topic(EdqsQueue.EVENTS.getTopic())
+                        .partition(partition)
+                        .build().getFullTopicName())
+                .collect(Collectors.toSet()));
     }
 
     @Override

application/src/main/resources/thingsboard.yml

@@ -1645,12 +1645,12 @@ queue:
       calculated-field: "${TB_QUEUE_KAFKA_CF_TOPIC_PROPERTIES:retention.ms:604800000;segment.bytes:52428800;retention.bytes:1048576000;partitions:1;min.insync.replicas:1}"
       # Kafka properties for Calculated Field State topics
       calculated-field-state: "${TB_QUEUE_KAFKA_CF_STATE_TOPIC_PROPERTIES:retention.ms:-1;segment.bytes:52428800;retention.bytes:104857600000;partitions:1;min.insync.replicas:1;cleanup.policy:compact}"
-      # Kafka properties for EDQS events topics. Partitions number must be the same as queue.edqs.partitions
+      # Kafka properties for EDQS events topics
-      edqs-events: "${TB_QUEUE_KAFKA_EDQS_EVENTS_TOPIC_PROPERTIES:retention.ms:604800000;segment.bytes:52428800;retention.bytes:-1;partitions:12;min.insync.replicas:1}"
+      edqs-events: "${TB_QUEUE_KAFKA_EDQS_EVENTS_TOPIC_PROPERTIES:retention.ms:604800000;segment.bytes:52428800;retention.bytes:-1;partitions:1;min.insync.replicas:1}"
-      # Kafka properties for EDQS requests topic (default: 3 minutes retention). Partitions number must be the same as queue.edqs.partitions
+      # Kafka properties for EDQS requests topic (default: 3 minutes retention)
-      edqs-requests: "${TB_QUEUE_KAFKA_EDQS_REQUESTS_TOPIC_PROPERTIES:retention.ms:180000;segment.bytes:52428800;retention.bytes:1048576000;partitions:12;min.insync.replicas:1}"
+      edqs-requests: "${TB_QUEUE_KAFKA_EDQS_REQUESTS_TOPIC_PROPERTIES:retention.ms:180000;segment.bytes:52428800;retention.bytes:1048576000;partitions:1;min.insync.replicas:1}"
-      # Kafka properties for EDQS state topic (infinite retention, compaction). Partitions number must be the same as queue.edqs.partitions
+      # Kafka properties for EDQS state topic (infinite retention, compaction)
-      edqs-state: "${TB_QUEUE_KAFKA_EDQS_STATE_TOPIC_PROPERTIES:retention.ms:-1;segment.bytes:52428800;retention.bytes:-1;partitions:12;min.insync.replicas:1;cleanup.policy:compact}"
+      edqs-state: "${TB_QUEUE_KAFKA_EDQS_STATE_TOPIC_PROPERTIES:retention.ms:-1;segment.bytes:52428800;retention.bytes:-1;partitions:1;min.insync.replicas:1;cleanup.policy:compact}"
     consumer-stats:
       # Prints lag between consumer group offset and last messages offset in Kafka topics
       enabled: "${TB_QUEUE_KAFKA_CONSUMER_STATS_ENABLED:true}"

common/edqs/src/main/java/org/thingsboard/server/edqs/processor/EdqsProcessor.java

@@ -164,13 +164,10 @@ public class EdqsProcessor implements TbQueueHandler<TbProtoQueueMsg<ToEdqsMsg>,
         }
         try {
             Set<TopicPartitionInfo> newPartitions = event.getNewPartitions().get(new QueueKey(ServiceType.EDQS));
-            Set<TopicPartitionInfo> partitions = newPartitions.stream()
-                    .map(tpi -> tpi.withUseInternalPartition(true))
-                    .collect(Collectors.toSet());
 
-            stateService.process(withTopic(partitions, EdqsQueue.STATE.getTopic()));
+            stateService.process(withTopic(newPartitions, EdqsQueue.STATE.getTopic()));
             // eventsConsumer's partitions are updated by stateService
-            responseTemplate.subscribe(withTopic(partitions, config.getRequestsTopic())); // FIXME: we subscribe to partitions before we are ready. implement consumer-per-partition version for request template
+            responseTemplate.subscribe(withTopic(newPartitions, config.getRequestsTopic())); // TODO: we subscribe to partitions before we are ready. implement consumer-per-partition version for request template
 
             Set<TopicPartitionInfo> oldPartitions = event.getOldPartitions().get(new QueueKey(ServiceType.EDQS));
             if (CollectionsUtil.isNotEmpty(oldPartitions)) {

common/edqs/src/main/java/org/thingsboard/server/edqs/processor/EdqsProducer.java

@@ -70,17 +70,13 @@ public class EdqsProducer {
                 log.warn("[{}][{}][{}] Failed to publish msg to {}: {}", tenantId, type, key, topic, msg, t);
             }
         };
-        if (producer instanceof TbKafkaProducerTemplate<TbProtoQueueMsg<ToEdqsMsg>> kafkaProducer) {
         TopicPartitionInfo tpi = TopicPartitionInfo.builder()
                 .topic(topic)
                 .partition(partitionService.resolvePartition(tenantId))
-                    .useInternalPartition(true)
                 .build();
+        if (producer instanceof TbKafkaProducerTemplate<TbProtoQueueMsg<ToEdqsMsg>> kafkaProducer) {
             kafkaProducer.send(tpi, key, new TbProtoQueueMsg<>(null, msg), callback); // specifying custom key for compaction
         } else {
-            TopicPartitionInfo tpi = TopicPartitionInfo.builder()
-                    .topic(topic)
-                    .build();
             producer.send(tpi, new TbProtoQueueMsg<>(null, msg), callback);
         }
     }

common/edqs/src/main/java/org/thingsboard/server/edqs/state/KafkaEdqsStateService.java

@@ -45,6 +45,8 @@ import org.thingsboard.server.queue.edqs.KafkaEdqsComponent;
 import java.util.Set;
 import java.util.UUID;
 import java.util.concurrent.atomic.AtomicInteger;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
 
 @Service
 @RequiredArgsConstructor
@@ -151,7 +153,13 @@ public class KafkaEdqsStateService implements EdqsStateService {
     @Override
     public void process(Set<TopicPartitionInfo> partitions) {
         if (queueStateService.getPartitions().isEmpty()) {
-            eventsToBackupConsumer.subscribe();
+            Set<TopicPartitionInfo> allPartitions = IntStream.range(0, config.getPartitions())
+                    .mapToObj(partition -> TopicPartitionInfo.builder()
+                            .topic(EdqsQueue.EVENTS.getTopic())
+                            .partition(partition)
+                            .build())
+                    .collect(Collectors.toSet());
+            eventsToBackupConsumer.subscribe(allPartitions);
             eventsToBackupConsumer.launch();
         }
         queueStateService.update(new QueueKey(ServiceType.EDQS), partitions);

common/queue/src/main/java/org/thingsboard/server/queue/common/DefaultTbQueueRequestTemplate.java

@@ -263,7 +263,6 @@ public class DefaultTbQueueRequestTemplate<Request extends TbQueueMsg, Response
         TopicPartitionInfo tpi = TopicPartitionInfo.builder()
                 .topic(requestTemplate.getDefaultTopic())
                 .partition(partition)
-                .useInternalPartition(partition != null)
                 .build();
         requestTemplate.send(tpi, request, new TbQueueCallback() {
             @Override

common/queue/src/main/java/org/thingsboard/server/queue/kafka/TbKafkaAdmin.java

@@ -188,31 +188,46 @@ public class TbKafkaAdmin implements TbQueueAdmin {
     }
 
     public boolean isTopicEmpty(String topic) {
+        return areAllTopicsEmpty(Set.of(topic));
+    }
+
+    public boolean areAllTopicsEmpty(Set<String> topics) {
         try {
-            if (!getTopics().contains(topic)) {
+            List<String> existingTopics = getTopics().stream().filter(topics::contains).toList();
+            if (existingTopics.isEmpty()) {
                 return true;
             }
-            TopicDescription topicDescription = settings.getAdminClient().describeTopics(Collections.singletonList(topic)).topicNameValues().get(topic).get();
-            List<TopicPartition> partitions = topicDescription.partitions().stream().map(partitionInfo -> new TopicPartition(topic, partitionInfo.partition())).toList();
 
-            Map<TopicPartition, ListOffsetsResult.ListOffsetsResultInfo> beginningOffsets = settings.getAdminClient().listOffsets(partitions.stream()
+            List<TopicPartition> allPartitions = settings.getAdminClient().describeTopics(existingTopics).topicNameValues().entrySet().stream()
+                    .flatMap(entry -> {
+                        String topic = entry.getKey();
+                        TopicDescription topicDescription;
+                        try {
+                            topicDescription = entry.getValue().get();
+                        } catch (InterruptedException | ExecutionException e) {
+                            throw new RuntimeException(e);
+                        }
+                        return topicDescription.partitions().stream().map(partitionInfo -> new TopicPartition(topic, partitionInfo.partition()));
+                    })
+                    .toList();
+
+            Map<TopicPartition, ListOffsetsResult.ListOffsetsResultInfo> beginningOffsets = settings.getAdminClient().listOffsets(allPartitions.stream()
                     .collect(Collectors.toMap(partition -> partition, partition -> OffsetSpec.earliest()))).all().get();
-
+            Map<TopicPartition, ListOffsetsResult.ListOffsetsResultInfo> endOffsets = settings.getAdminClient().listOffsets(allPartitions.stream()
-            Map<TopicPartition, ListOffsetsResult.ListOffsetsResultInfo> endOffsets = settings.getAdminClient().listOffsets(partitions.stream()
                     .collect(Collectors.toMap(partition -> partition, partition -> OffsetSpec.latest()))).all().get();
 
-            for (TopicPartition partition : partitions) {
+            for (TopicPartition partition : allPartitions) {
                 long beginningOffset = beginningOffsets.get(partition).offset();
                 long endOffset = endOffsets.get(partition).offset();
 
                 if (beginningOffset != endOffset) {
-                    log.debug("Partition [{}] of topic [{}] is not empty. Returning false.", partition.partition(), topic);
+                    log.debug("Partition [{}] of topic [{}] is not empty. Returning false.", partition.partition(), partition.topic());
                     return false;
                 }
             }
             return true;
         } catch (InterruptedException | ExecutionException e) {
-            log.error("Failed to check if topic [{}] is empty.", topic, e);
+            log.error("Failed to check if topics [{}] empty.", topics, e);
             return false;
         }
     }

edqs/src/main/resources/edqs.yml

@@ -148,12 +148,12 @@ queue:
     #  - key: "session.timeout.ms" # refer to https://docs.confluent.io/platform/current/installation/configuration/consumer-configs.html#consumerconfigs_session.timeout.ms
     #    value: "${TB_QUEUE_KAFKA_SESSION_TIMEOUT_MS:10000}" # (10 seconds)
     topic-properties:
-      # Kafka properties for EDQS events topics. Partitions number must be the same as queue.edqs.partitions
+      # Kafka properties for EDQS events topics
-      edqs-events: "${TB_QUEUE_KAFKA_EDQS_EVENTS_TOPIC_PROPERTIES:retention.ms:604800000;segment.bytes:52428800;retention.bytes:-1;partitions:12;min.insync.replicas:1}"
+      edqs-events: "${TB_QUEUE_KAFKA_EDQS_EVENTS_TOPIC_PROPERTIES:retention.ms:604800000;segment.bytes:52428800;retention.bytes:-1;partitions:1;min.insync.replicas:1}"
-      # Kafka properties for EDQS requests topic (default: 3 minutes retention). Partitions number must be the same as queue.edqs.partitions
+      # Kafka properties for EDQS requests topic (default: 3 minutes retention)
-      edqs-requests: "${TB_QUEUE_KAFKA_EDQS_REQUESTS_TOPIC_PROPERTIES:retention.ms:180000;segment.bytes:52428800;retention.bytes:1048576000;partitions:12;min.insync.replicas:1}"
+      edqs-requests: "${TB_QUEUE_KAFKA_EDQS_REQUESTS_TOPIC_PROPERTIES:retention.ms:180000;segment.bytes:52428800;retention.bytes:1048576000;partitions:1;min.insync.replicas:1}"
-      # Kafka properties for EDQS state topic (infinite retention, compaction). Partitions number must be the same as queue.edqs.partitions
+      # Kafka properties for EDQS state topic (infinite retention, compaction)
-      edqs-state: "${TB_QUEUE_KAFKA_EDQS_STATE_TOPIC_PROPERTIES:retention.ms:-1;segment.bytes:52428800;retention.bytes:-1;partitions:12;min.insync.replicas:1;cleanup.policy:compact}"
+      edqs-state: "${TB_QUEUE_KAFKA_EDQS_STATE_TOPIC_PROPERTIES:retention.ms:-1;segment.bytes:52428800;retention.bytes:-1;partitions:1;min.insync.replicas:1;cleanup.policy:compact}"
     consumer-stats:
       # Prints lag between consumer group offset and last messages offset in Kafka topics
       enabled: "${TB_QUEUE_KAFKA_CONSUMER_STATS_ENABLED:true}"