TiDB-Lightning Data Restoration

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This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: TiDB-lightning数据还原

| username: Hacker_92quIrMM

【TiDB Usage Environment】
Production Environment
【TiDB Version】
Source Database: TiDB V4.0.12
Target Database: TiDB V3.x
【Encountered Problem】
Using dumpling to back up data from TiDB V4.x;
Using lightning to import the backup data into TiDB V3.x,
Will there be a risk of data loss in this operation process?

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| username: Billmay表妹 | Original post link

For reference~

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| username: Hacker_92quIrMM | Original post link

Got it, thanks for the support. I’ll start with some theoretical study first.

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| username: Billmay表妹 | Original post link

If you encounter any issues during the backup process, feel free to post your questions at any time~

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| username: system | Original post link

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