[Bug] Fix the visibility of the CDC log, it should only become visible after the KV data has been flushed to RocksDb

[wuchong]

^{Originally posted by swuferhong December 2, 2024}

Search before asking

• I searched in the issues and found nothing similar.

Fluss version

This issue is report bug that the visibility of the CDC log, it should only become visible after the KV data has been flushed to RocksDb. Currently, Fluss will first write the kv data to PreWriteBuffer in memory cache, and then flush to RocksDb, but in this time interval gap, the CDC log is visible to user, it's a wrong act.

Minimal reproduce step

no reproduce step

What doesn't meet your expectations?

In daily tests

Anything else?

No response

Are you willing to submit a PR?

• I'm willing to submit a PR!