Github user tedyu commented on a diff in the pull request: https://github.com/apache/flink/pull/5991#discussion_r187647828 --- Diff: flink-connectors/flink-connector-kafka-0.9/src/main/java/org/apache/flink/streaming/connectors/kafka/internal/KafkaConsumerThread.java --- @@ -80,6 +82,9 @@ /** The queue of unassigned partitions that we need to assign to the Kafka consumer. */ private final ClosableBlockingQueue<KafkaTopicPartitionState<TopicPartition>> unassignedPartitionsQueue; + /** The list of partitions to be removed from kafka consumer. */ + private final List<TopicPartition> partitionsToBeRemoved; --- End diff -- Should this be Set to facilitate fast lookup ?
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