[jira] [Commented] (FLINK-34754) [tidb-cdc]When the task runs for a period of time, there are only Resolved Events

[ouyangwulin (Jira)]

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https://issues.apache.org/jira/browse/FLINK-34754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17935082#comment-17935082
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ouyangwulin commented on FLINK-34754:
-------------------------------------

This is a bug with the TiCDC client, which is prone to bugs like region 
reallocation

> [tidb-cdc]When the task runs for a period of time, there are only Resolved 
> Events
> ---------------------------------------------------------------------------------
>
>                 Key: FLINK-34754
>                 URL: https://issues.apache.org/jira/browse/FLINK-34754
>             Project: Flink
>          Issue Type: Bug
>          Components: Flink CDC
>            Reporter: Flink CDC Issue Import
>            Priority: Major
>              Labels: github-import
>
> **Environment :**
>  - Flink version :  1.14.4
>  - Flink CDC version: 2.2 ,2.3 ,master
>  - Database and version: tidb5.0 and tidb5.1 
> **To Reproduce**
> flink-tidb-cdc table： A
> flink-jdbc table: B
> query:
> insert into A select * from B;
> desc:
> The task data is normal at the beginning of the program startup, but after 
> running for a period of time, the data is not updated.
> but there is no error message.
> The log:
> 2022-10-31 17:56:03,786 INFO  org.tikv.cdc.CDCClient                          
>              [] - handle resolvedTs: 437049141169750048, regionId: 1721083
> 2022-10-31 17:56:04,787 INFO  org.tikv.cdc.CDCClient                          
>              [] - handle resolvedTs: 437049141431894020, regionId: 1721083
> 2022-10-31 17:56:05,787 INFO  org.tikv.cdc.CDCClient                          
>              [] - handle resolvedTs: 437049141694038029, regionId: 1721083
> 2022-10-31 17:56:06,789 INFO  org.tikv.cdc.CDCClient                          
>              [] - handle resolvedTs: 437049141956182110, regionId: 1721083
> 2022-10-31 17:56:07,790 INFO  org.tikv.cdc.CDCClient                          
>              [] - handle resolvedTs: 437049142218326018, regionId: 1721083
> 2022-10-31 17:56:08,793 INFO  org.tikv.cdc.CDCClient                          
>              [] - handle resolvedTs: 437049142480470176, regionId: 1721083
> **Additional Description**
> If applicable, add screenshots to help explain your problem.
> ---------------- Imported from GitHub ----------------
> Url: https://github.com/apache/flink-cdc/issues/1755
> Created by: [wangxiaojing|https://github.com/wangxiaojing]
> Labels: bug, 
> Created at: Thu Nov 17 11:44:16 CST 2022
> State: open



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