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https://issues.apache.org/jira/browse/FLINK-37572?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Leonard Xu updated FLINK-37572:
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Fix Version/s: cdc-3.4.0
> Shuffle Event by bucket and tableid to avoid data skew
> ------------------------------------------------------
>
> Key: FLINK-37572
> URL: https://issues.apache.org/jira/browse/FLINK-37572
> Project: Flink
> Issue Type: Improvement
> Components: Flink CDC
> Affects Versions: cdc-3.3.0
> Reporter: Yanquan Lv
> Assignee: Yanquan Lv
> Priority: Minor
> Labels: pull-request-available
> Fix For: cdc-3.4.0
>
>
> We have an operator BucketAssign Operator to assign buckets to
> DataChangeEvents and shuffle them to different subtasks to avoid write
> conflicts.
> However, this may lead to data skewing, as most tables may only have 1 to 2
> buckets, all of which will be assigned to the same subtask.
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