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br: pitr restore mode #20559

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br: pitr restore mode #20559

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a914c00
pitr restore mode
Leavrth Jun 26, 2025
70aa527
Apply suggestions from code review
hfxsd Jun 26, 2025
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2 changes: 2 additions & 0 deletions br/br-pitr-guide.md
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Original file line number Diff line number Diff line change
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]
```

在恢复期间，恢复的表的 Table Mode 会被自动设置为 `restore`，处于 Restore Mode 的表会禁止用户执行任何读写操作。当数据恢复完成时，Table Mode 会被自动恢复到 `normal` 状态，用户可以正常读写该表，从而提升数据恢复期间的任务稳定性和数据一致性。

## 清理过期的日志备份数据

如[使用指南概览](/br/br-use-overview.md)所述：
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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]
```

在恢复期间，恢复的表的 Table Mode 会被自动设置为 `restore`，处于 Restore Mode 的表会禁止用户执行任何读写操作。当数据恢复完成时，Table Mode 会被自动恢复到 `normal` 状态，用户可以正常读写该表，从而提升数据恢复期间的任务稳定性和数据一致性。

### 恢复备份数据中指定库表的数据

br 命令行工具支持只恢复备份数据中指定库、表的部分数据，该功能用于在恢复过程中过滤不需要的数据。
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