tongjian

log:degrade error log

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### What is changed and how it works? Issue Number: Close #18506 What's Changed: ```commit-message ``` ### Related changes - [ ] PR to update `pingcap/docs`/`pingcap/docs-cn`: - [ ] Need...

## Development Task

distribute-table: support to scatter the region distribution of the given table and engine

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### First-time contributors' checklist - [x] I've signed [**Contributor License Agreement**](https://cla-assistant.io/pingcap/docs-cn) that's required for repo owners to accept my contribution. ### What is changed, added or deleted? (Required) ### Which...

client: updating keyspace group must check the previous version

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### What problem does this PR solve? Issue Number: Close #6770 kv proto: [#1361](https://github.com/pingcap/kvproto/pull/1361) ### What is changed and how does it work? ```commit-message 'FindGroupByKeyspaceID' must carry the current keyspace...

Feat(router service): implement grpc function

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### What problem does this PR solve? Issue Number: Ref #9212 ### What is changed and how does it work? ```commit-message ``` ### Check List Tests - Unit test -...

[WIP]feat(router service): support to sync region from pd leader

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### What problem does this PR solve? Issue Number: Close #xxx ### What is changed and how does it work? ```commit-message ``` ### Check List Tests - Unit test -...

metrics: add keyspace label to show tso request details

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### What problem does this PR solve? Issue Number: Close #9780, ref #9707 ### What is changed and how does it work? ```commit-message ``` ### Check List Tests - Unit...

## Enhancement Task

## Enhancement Task Currently, after the user changes the master zone, the region checker needs to generate six operators to fix this region. For example: The previous rule: ``` [...

tiup cluster support router service mcs

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### What problem does this PR solve? close #xxx ### What is changed and how it works? ### Check List Tests - [ ] Unit test - [ ] Integration...