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https://issues.apache.org/jira/browse/FLINK-32622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17842242#comment-17842242
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Jing Ge commented on FLINK-32622:
---------------------------------

1.19: c370b20c8e2d1ea55dd1fc4c283430832d9f9aae

> Do not add mini-batch assigner operator if it is useless
> --------------------------------------------------------
>
>                 Key: FLINK-32622
>                 URL: https://issues.apache.org/jira/browse/FLINK-32622
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / Planner
>    Affects Versions: 1.19.0
>            Reporter: Fang Yong
>            Assignee: Jeyhun Karimov
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.20.0
>
>
> Currently if user config mini-batch for their sql jobs, flink will always add 
> mini-batch assigner operator in job plan even there's no agg/join operators 
> in the job. Mini-batch operator will generate useless event and cause 
> performance issue for them. If the mini-batch is useless for the specific 
> jobs, flink should not add mini-batch assigner even when users turn on 
> mini-batch mechanism. 



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