Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

br: add checkpoint restore restriction #19186

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

br: add checkpoint restore restriction #19186

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions br/br-checkpoint-restore.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,10 @@ br 工具暂停 GC 的原理是通过执行 `SET config tikv gc.ratio-threshold

在恢复失败后，请避免向集群写入或删除数据、删除或创建表。由于备份数据中可能包含重命名表的 DDL 操作，断点恢复无法确认被删除的表或已存在的表是否是外部操作引起的，这会影响下次重试恢复的准确性。

### 不建议跨大版本重新恢复

断点恢复不建议跨大版本重新恢复。 使用 v8.5.0 之前 LTS 版本 br 恢复失败的集群无法使用 v8.5.0 或更新 LTS 版本的 br 继续恢复，反之亦然。

## 实现细节

断点恢复的具体操作细节分为快照恢复和 PITR 恢复两部分。
Expand Down