shiwuliang created FLINK-11870:
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Summary: Code refactor for some details
Key: FLINK-11870
URL: https://issues.apache.org/jira/browse/FLINK-11870
Project: Flink
Issue Type: Improvement
Reporter: shiwuliang
Recently, when I read the source code, I found that there are some points that
can be optimized in the source code, and it still seems to have not been
completely solved, for example:
* Use computeIfAbsent
* extra calls
I think I can try to optimize them. This is just a very small problem.
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