Tartarus0zm opened a new pull request #16630:
URL: https://github.com/apache/flink/pull/16630
## What is the purpose of the change
current we keep all change log for row-time deduplicate mini-batch,
we need buffer all record on heap.
In some cases, users do not need all change logs;
In this way, the memory pressure and the calculation pressure of downstream
operators can be reduced.
## Brief change log
add new impl `RowTimeMiniBatchLatestChangelogDeduplicateFunction`;
## Verifying this change
Added test that validates that row-time deduplicate mini-batch disable send
all change logs, the result is as expected.
## 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? (no)
- If yes, how is the feature documented? (not documented)
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