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

update the maximum region size for TiFlash (#18293) #18299

Merged
merged 1 commit into from
Aug 6, 2024
Merged

update the maximum region size for TiFlash (#18293) #18299

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
2 changes: 1 addition & 1 deletion tune-region-performance.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ TiKV 自动将底层数据进行[分片](/best-practices/tidb-best-practices.md#
> + 查询性能回退，尤其是大范围数据查询的性能会有回退。
> + 调度变慢。

Region 的大小可以通过 [`coprocessor.region-split-size`](/tikv-configuration-file.md#region-split-size) 进行设置。如果你使用了 TiFlash，则 Region 大小不能超过 256 MiB。如果使用 Dumpling 工具，则 Region 大小不能超过 1 GiB。Region 调大以后，使用 Dumpling 工具时，需要降低并发，否则 TiDB 会有 OOM 的风险。
Region 的大小可以通过 [`coprocessor.region-split-size`](/tikv-configuration-file.md#region-split-size) 进行设置。如果你使用了 TiFlash 或 Dumpling 工具，则 Region 大小不能超过 1 GiB。Region 调大以后，使用 Dumpling 工具时，需要降低并发，否则 TiDB 会有 OOM 的风险。

## 使用 bucket 增加并发

Expand Down
Loading