Yongbo Jiang

*: set timeout for PD HTTP client

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### What problem does this PR solve? Issue Number: ref #49865 Problem Summary: ### What changed and how does it work? ### Check List Tests - [ ] Unit test...

After spliting regions, the size of the new regions are not updated to zero but None.

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## Bug Report ### What version of TiKV are you using? master ### What operating system and CPU are you using? ### Steps to reproduce See title ### What did...

If pd http server is required for future tests of mocktikv, this needs to be implemented to provide the server address for the pd http client

fix ceil

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I found `calling math.Ceil on a converted integer is pointless (SA4015)`, so reviewed this expression and it seems to be wrong.

## Development Task - Refactor `tsoClient` to make adopting the later changes easier. - [x] #8121 - [ ] #8134 - Introduce the backoff mechanism into the critical paths. -...

client: remote var `leader` which is the same as `forwardedHost`

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### What problem does this PR solve? Issue Number: ref #4399 ### What is changed and how does it work? ```commit-message ``` ### Check List Tests - Unit test -...

ratelimit: impl `BBR-like` algorithm

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### What problem does this PR solve? Issue Number: ref https://github.com/tikv/pd/issues/7167 should be merged after #7239 ### What is changed and how does it work? We implmented a BBR like...

ratelimit: support modify BBR config by API

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### What problem does this PR solve? Issue Number: ref #7167 ### What is changed and how does it work? ```commit-message ``` ### Check List Tests - Unit test -...

ratelimit: apply BBR in limiter

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### What problem does this PR solve? Issue Number: ref #7167 ### What is changed and how does it work? add `EnableBBR` in config. and handle the potential conflict between...

client: support to set timeout in http client

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### What problem does this PR solve? Issue Number: ref #7300 ### What is changed and how does it work? 1. don't set Timeout when create http.Clent 2. add timeout...