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Posted to issues@flink.apache.org by "Hongshun Wang (Jira)" <ji...@apache.org> on 2024/03/15 03:22:00 UTC

[jira] [Commented] (FLINK-34688) CDC framework split snapshot chunks asynchronously

    [ https://issues.apache.org/jira/browse/FLINK-34688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17827335#comment-17827335 ] 

Hongshun Wang commented on FLINK-34688:
---------------------------------------

Please assign it to me.

> CDC framework split snapshot chunks asynchronously
> --------------------------------------------------
>
>                 Key: FLINK-34688
>                 URL: https://issues.apache.org/jira/browse/FLINK-34688
>             Project: Flink
>          Issue Type: Improvement
>          Components: Flink CDC
>            Reporter: Hongshun Wang
>            Priority: Major
>             Fix For: cdc-3.1.0
>
>
> In Mysql CDC,  MysqlSnapshotSplitAssigner splits snapshot chunks asynchronously([https://github.com/apache/flink-cdc/pull/931).] But CDC framework lacks it.
> If table is too big to split, the enumerator will be stuck, and checkpoint will be influenced( sometime will checkpoint timeout occurs).



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