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https://issues.apache.org/jira/browse/KAFKA-9609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17060039#comment-17060039
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Sönke Liebau commented on KAFKA-9609:
-------------------------------------
If that is something that you would like to work on [[email protected]]
please feel free to create a KIP and start a discussion on this topic. I don't
think the code changes should be too complex, but it would be a change of
public-facing behavior, so definitely need a KIP before it could be implemented.
Let me know if you have any questions around the process, happy to help!!
> Memory Leak in Kafka Producer
> -----------------------------
>
> Key: KAFKA-9609
> URL: https://issues.apache.org/jira/browse/KAFKA-9609
> Project: Kafka
> Issue Type: Bug
> Components: clients, producer
> Affects Versions: 2.4.0
> Reporter: Satish
> Assignee: Sönke Liebau
> Priority: Major
>
> org.apache.kafka.clients.producer.internals.Sender adds Topic Metrics for
> every topic that we are writing messages to but it never been cleaned up
> until we close the producer.
> This is an issue if we use single producer and have more number of Dynamic
> topics (eg: ~ 500 topics per hour) and writing messages to them. As this
> Metrics map is getting accumulated for every topic, over a period of time we
> notice the memory usage gets increased gradually.
> It can be easily reproducible by writing messages to the more # of dynamic
> topics using the same KafkaProducer from apache kafka client libraries or
> KafkaTemplate from Spring.
>
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