TiFlash process crashed, range of region 3041718 is overlapped with region 3041599, should not happen

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Original topic: tiflash进程挂了，range of region 3041718 is overlapped with region 3041599, should not happen

| username: magongyong

【TiDB Usage Environment】Production Environment or Test Environment or POC
Production Environment

【TiDB Version】
v5.4.0

【Encountered Problem】
tiflash crashed, range of region 3041718 is overlapped with region 3041599, should not happen, continuously reporting errors
Screenshot below

image
image1723×450 39.3 KB

【Reproduction Path】What operations were performed that caused the problem
【Problem Phenomenon and Impact】

【Attachments】

Please provide the version information of each component, such as cdc/tikv, which can be obtained by executing cdc version/tikv-server --version.

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| username: magongyong | Original post link

The issue has been resolved through scaling in and out, but the root cause is still unknown. Disk, memory, CPU, and network are all functioning normally. There is another TiFlash instance on the same server that is running fine. Could this be a bug? How can we avoid this in the future?

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| username: yilong | Original post link

It looks like this issue release test: `schrodinger/bank true` failed with error `region range overlapped` · Issue #3435 · pingcap/tiflash · GitHub
You can upgrade to v5.4.1

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| username: magongyong | Original post link

Okay, thank you.

5
| username: wakaka | Original post link

It says it needs to be upgraded. Is there any way to avoid upgrading?

6
| username: wakaka | Original post link

Currently unable to upgrade, is there a good way to handle it?

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| username: system | Original post link

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