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br: change the default value of table-level checksum to false #19640

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Dec 10, 2024
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br: change the default value of table-level checksum to false #19640

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qiancai Dec 10, 2024
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3 changes: 2 additions & 1 deletion br/br-snapshot-manual.md
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Expand Up @@ -48,7 +48,8 @@ In the preceding command:

> **Note:**
>
> The BR tool already supports self-adapting to GC. It automatically registers `backupTS` (the latest PD timestamp by default) to PD's `safePoint` to ensure that TiDB's GC Safe Point does not move forward during the backup, thus avoiding manually setting GC configurations.
> - Staring from v8.5.0, the BR tool disables the table-level checksum calculation during full backups by default (`--checksum=false`) to improve backup performance.
> - The BR tool already supports self-adapting to GC. It automatically registers `backupTS` (the latest PD timestamp by default) to PD's `safePoint` to ensure that TiDB's GC Safe Point does not move forward during the backup, thus avoiding manually setting GC configurations.

During backup, a progress bar is displayed in the terminal, as shown below. When the progress bar advances to 100%, the backup is complete.

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