Aolin

WIP: tikv-control: remove -d option

3

### First-time contributors' checklist - [ ] 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) ###...

use scale-in to manually remove a TiFlash node

1

### First-time contributors' checklist - [ ] 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) ###...

Add max-days and max-backups default value 0 means for PD

2

### First-time contributors' checklist - [ ] 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) ###...

clinic v0.8.0: Support collection of SQL query plan related information

2

### First-time contributors' checklist - [ ] 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) Support...

Update contributing guide and add contributor over time graph

1

### What is changed, added or deleted? (Required) - Add notes in CONTRIBUTING.md. - Add contributor over time graph in README.md ### Which TiDB version(s) do your changes apply to?...

add tikv label merge policy description

1

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

slow_query: update the doc

1

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

tikv-control: make a parameter in right places

5

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

add recovery guide for two dc deployment

5

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

clinic v0.8.0: Support collection of SQL query plan related information

10

### What is changed, added or deleted? (Required) Clinic v0.8.0 supports collecting SQL query plan information ### Which TiDB version(s) do your changes apply to? (Required) **Tips for choosing the...