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This topic has been translated from a Chinese forum by GPT and might contain errors.
Original topic: 升级6.5.3后cdc无法向下游同步数据
[TiDB Usage Environment] Production Environment
[TiDB Version] v6.5.3
[Reproduction Path] Upgraded from 6.1.5 to 6.5.3
[Encountered Problem]
After the upgrade, the CDC synchronization to downstream Kafka tasks got stuck. There are about 150 tasks and around 1300 tables being synchronized. I checked the Sink write rows and there are none… How should I troubleshoot this?
cdc-log.txt (5.6 MB)
The log contains unsupported data types or type conversion issues, which may be caused by data format incompatibility or programming errors.
“unsupported type
comes from logging when an object has a callback that zap cannot recognize, which should not be related to the stalling issue.”
Has it recovered now? I see a lot of [CDC:ErrPDBatchLoadRegions] pd batch load regions failed: receive Regions with no peer: messages in the logs. It looks like there was an error in the region information returned from PD.
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