TONG, Zhigao

## Bug Report If runtime needs dynamic libraries, overwriting binaries by cmd `tar` directly may cause unexpected behavior. Like https://github.com/pingcap/tiup/blob/ca49c7e8f57bccc5ff79520d1f5a5481d62364b1/pkg/cluster/task/install_package.go#L50 2 options: - Remove target binaries first before installing. -...

Update tiflash-overview.md

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

Update release-6.3.0.md

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

Update hardware-and-software-requirements.md

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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...

*: upgrade golang to 1.25.5 for release-8.5 (#63475)

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### What problem does this PR solve? [Security vulnerabilities](https://www.pingcap.com/security/) Issue Number: close #62981 ### What changed and how does it work? CP #63475 ### Check List Tests - [x] Unit...

tidb: global memory arbitrator mechanism

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### First-time contributors' checklist - [x] I've signed the [**Contributor License Agreement**](https://cla.pingcap.net/pingcap/docs), which is required for the repository owners to accept my contribution. ### What is changed, added or deleted?...