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https://issues.apache.org/jira/browse/FLINK-9303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16477294#comment-16477294
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ASF GitHub Bot commented on FLINK-9303:
---------------------------------------
Github user EAlexRojas commented on a diff in the pull request:
https://github.com/apache/flink/pull/5991#discussion_r188596584
--- 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 --
You are right, a Set should be better for all the calls to the `contains()`
method.
> Unassign partitions from Kafka client if partitions become unavailable
> ----------------------------------------------------------------------
>
> Key: FLINK-9303
> URL: https://issues.apache.org/jira/browse/FLINK-9303
> Project: Flink
> Issue Type: Improvement
> Components: Kafka Connector
> Reporter: Tzu-Li (Gordon) Tai
> Priority: Major
> Fix For: 1.6.0
>
>
> Originally reported in ML:
> [http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Dynamically-deleting-kafka-topics-does-not-remove-partitions-from-kafkaConsumer-td19946.html]
> The problem is that the Kafka consumer has no notion of "closed" partitions
> at the moment, so statically assigned partitions to the Kafka client is never
> removed and is always continuously requested for records.
> This causes LOG noises as reported in the reported mail thread.
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