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

br: update adaptive GC description #4262

Merged
merged 2 commits into from
Nov 20, 2020
Merged

br: update adaptive GC description #4262

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
f0a90f2
br: update adaptive GC description
TomShawn Nov 19, 2020
1b5924f
Update br/backup-and-restore-use-cases.md
TomShawn Nov 20, 2020
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/backup-and-restore-use-cases.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,10 @@ For the detailed usage of the `br backup` command, refer to [BR command-line des
UPDATE mysql.tidb SET VARIABLE_VALUE = '10m' WHERE VARIABLE_NAME = 'tikv_gc_life_time';
```

> **Note:**
>
> Since v4.0.8, BR supports the self-adaptive GC. To avoid manually adjusting GC, register `backupTS` in `safePoint` in PD and make sure that `safePoint` does not move forward during the backup process.

### Preparation for restoration

For the detailed usage of the `br restore` command, refer to [BR command-line description](/br/backup-and-restore-tool.md#command-line-description).
Expand Down