Grace Cai

Add tidb super read only

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### 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) ###...

Enhance the document titles for TiUP deployment

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### What is changed, added or deleted? (Required) Updated the document titles for TiUP deployment and component usage ### Which TiDB version(s) do your changes apply to? (Required) - [x]...

Add a note for tidb_restricted_read_only

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### 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) ###...

v5.3: update downloading links of DM and sync_diff_inspector

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### 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) ###...

v5.4: update downloading links of DM and sync_diff_inspector

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### 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) ###...

Refine docs: troubleshoot lock conflicts

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### 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) ###...

clarify the meaning of small transaction for TTL

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### 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) ###...

Update the data index inconsistency docs

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### 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) ###...

Update Grafana and Kafka versions

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### What is changed, added or deleted? (Required) ### Which TiDB version(s) do your changes apply to? (Required) **Tips for choosing the affected version(s):** By default, **CHOOSE MASTER ONLY** so...

TOC: enhance TOC for performance tuning

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### 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) Move...