xuyangzhong opened a new pull request, #24179:
URL: https://github.com/apache/flink/pull/24179
## What is the purpose of the change
*Currently, state ttl hint can work only on join node. This pr aims to
support state ttl hint on group agg node.*
## Brief change log
- *support state ttl hint on group agg node*
- *add IT cases and plan cases for this pr*
## Verifying this change
Some tests are added for it.
## 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, ZooKeeper: no
- The S3 file system connector: no
## Documentation
- Does this pull request introduce a new feature? yes
- If yes, how is the feature documented? Another pr will be introduced for
it.
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