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br: pitr restore mode #21254

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pitr restore mode
Leavrth Jun 26, 2025
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hfxsd Jun 27, 2025
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2 changes: 2 additions & 0 deletions br/br-pitr-guide.md
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Expand Up @@ -117,6 +117,8 @@ Restore KV Files <--------------------------------------------------------------
*** ["restore log success summary"] [total-take=xxx.xx] [restore-from={TS}] [restore-to={TS}] [total-kv-count=xxx] [total-size=xxx]
```

During restore, the restored table's table mode is set to `restore`, which prevents you from performing any read or write operations. After data restore completes, the table mode is automatically reset to `normal`, and you can read and write the table normally. This improves task stability and data consistency.

## Clean up outdated data

As described in the [Usage Overview of TiDB Backup and Restore](/br/br-use-overview.md):
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2 changes: 2 additions & 0 deletions br/br-snapshot-guide.md
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Expand Up @@ -103,6 +103,8 @@ Restore Pipeline <--------------------------------------------------------------
*** ["Full Restore success summary"] [total-ranges=20] [ranges-succeed=20] [ranges-failed=0] [merge-ranges=7.546971ms] [split-region=343.594072ms] [restore-files=1.57662s] [default-CF-files=6] [write-CF-files=14] [split-keys=9] [total-take=4.344617542s] [total-kv=5] [total-kv-size=327B] [average-speed=75.27B/s] [restore-data-size(after-compressed)=4.813kB] [Size=4813] [BackupTS=435844901803917314]
```

During restore, the restored table's table mode is set to `restore`, which prevents you from performing any read or write operations. After data restore completes, the table mode is automatically reset to `normal`, and you can read and write the table normally. This improves task stability and data consistency.

### Restore a database or a table

BR supports restoring partial data of a specified database or table from backup data. This feature allows you to filter out unwanted data and back up only a specific database or table.
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