Jiayi-Liao opened a new pull request #15016: URL: https://github.com/apache/flink/pull/15016
## What is the purpose of the change Solve the memory leak in #TtlMapState and #TtlListState with #FsStateBackend and incremental cleanup feature. ## Brief change log Changes in #TtlMapState and #TtlListState * In #getUnexpiredOrNull method, return null if all the elements are expired ## Verifying this change ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): no - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: no - The serializers: no - The runtime per-record code paths (performance sensitive): no - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: no - The S3 file system connector: no ## Documentation - Does this pull request introduce a new feature? no - If yes, how is the feature documented? not applicable ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org