[jira] [Created] (FLINK-11870) Code refactor for some details

[Shang Yuanchun (Jira)]

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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