zlzhang0122 created FLINK-24207:
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Summary: Add support of KeyedState in TwoPhaseCommitSinkFunction
Key: FLINK-24207
URL: https://issues.apache.org/jira/browse/FLINK-24207
Project: Flink
Issue Type: New Feature
Components: Runtime / Checkpointing
Affects Versions: 1.13.1, 1.12.2
Reporter: zlzhang0122
Fix For: 1.14.1
Now, the implementation of TwoPhaseCommitSinkFunction is based on operator
state, but operator state will do a deep copy when taking checkpoint, so large
operator state may produce a OOM error. Add support of KeyedState in
TwoPhaseCommitSinkFunction maybe a good choice to avoid the OOM error and give
users more convenience.
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