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Posted to jira@kafka.apache.org by "Jackson Newhouse (Jira)" <ji...@apache.org> on 2022/05/25 19:38:00 UTC

[jira] [Created] (KAFKA-13939) Memory Leak When Logging Is Disabled In InMemoryTimeOrderedKeyValueBuffer

Jackson Newhouse created KAFKA-13939:
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             Summary: Memory Leak When Logging Is Disabled In InMemoryTimeOrderedKeyValueBuffer
                 Key: KAFKA-13939
                 URL: https://issues.apache.org/jira/browse/KAFKA-13939
             Project: Kafka
          Issue Type: Bug
            Reporter: Jackson Newhouse


If `loggingEnabled` is false, the `dirtyKeys` set is not cleared within `flush()`, see [https://github.com/apache/kafka/blob/3.2/streams/src/main/java/org/apache/kafka/streams/state/internals/InMemoryTimeOrderedKeyValueBuffer.java#L262.] However, dirtyKeys is still written to in the loop within `evictWhile`. This causes dirtyKeys to continuously grow for the life of the buffer. 



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