TiCDC Sorter Component Data Desynchronization in Version 7.1.0

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Original topic: 7.1.0 版本TiCDC sorter组件不同步数据

| username: TiDBer_yyy

Bug Report
TiDB has data writes, but TiCDC sync to downstream Kafka shows no data.
[TiDB Version] 7.1.0
[Impact of the Bug] Downstream Kafka has no data for a long time, affecting business consumption.

[Possible Steps to Reproduce] None, currently no data for over 2 weeks.

[Observed Unexpected Behavior]
No data in Kafka.

[Expected Behavior]
Data in Kafka.

[Related Components and Specific Version] 7.1.0
[Other Background Information or Screenshots]
The sorting module of the topic has no data push, initially judged to encounter a bug.

Data is present in the puller stage (resolved), no data in kv, and the sorter component has no data for a long time.

Looking at recent data sync over a long period, the volume is very small, but it hasn’t synced to Kafka.

| username: TiDBer_yyy | Original post link

Resolved, no issues. The monitoring time was too long, causing the data to be overwhelmed.

| username: 这里介绍不了我 | Original post link

Sure, you can troubleshoot the problem yourself. :+1:

| username: system | Original post link

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