Spade A

server: small refactor work in `update` of EnginesResourceInfo

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Signed-off-by: SpadeA-Tang ### What is changed and how it works? Issue Number: Close #13214 What's Changed: ### Related changes - PR to update `pingcap/docs`/`pingcap/docs-cn`: - Need to cherry-pick to the...

[WIP]: support tablet split

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

raftstore-v2: implement local read for raftstore-v2

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### What is changed and how it works? Issue Number: Ref #12842 What's Changed: This PR involves: - Refactor `LocalReader` of raftstore-v1 to make some code sharable with raftstore-v2 -...

raftstore: replace generic type in ReadExecutor by associated type

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Signed-off-by: SpadeA-Tang ### What is changed and how it works? Issue Number: Close #13511 What's Changed: Tests - Unit test - Integration test - Manual test (add detailed scripts or...

## Development Task The code may be clearer.

In-memory Engine: high performant concurrent lock-free skiplist

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### What is changed and how it works? Issue Number: Ref #16141 What's Changed: ```commit-message high performant concurrent lock-free skiplist ``` Due to lifetime/ownership restrictions, crossbeam skiplist cannot be used...

RFC: https://github.com/tikv/rfcs/pull/111 Summary: In-memory engine works as a region cache, selectively caching certain regions to enhance read performance. Tasks: - [x] Integrate In-memory Engine with TiKV - https://github.com/tikv/tikv/pull/16114 - https://github.com/tikv/tikv/pull/16132...

raftstore: use force in compact_range triggered by no valid split key

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### What is changed and how it works? Issue Number: Close #15282 What's Changed: ```commit-message use option bottommost_level_compaction = force in the compact_range scheduled by no_valid_split_key. ``` cherry-pick https://github.com/tikv/tikv/pull/16493 ###...

JsonDecodeError For GenerateRandomBytesRequest

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It seems desearialize json is failed. The code is listed below and would you mind giving some feedbacks whether the code is inappropriate? `Err(JsonDecodeError("{\n \"data\": \"re9uM3jHgyBO55Bb5thfEc51X7qdvTFlTmYPDWU07rvSLXwKTXVQIecmyOtmjgrdH0RE+/LZ0XKNtiJKoLbm3y6+D3PWQHcmq6OgguWuQxJ23drOhypxfZdXaN2o1+xz7T31TVPqOnm3zlp8z4wtsR6cVupxgzYb5zguv5EQ73I=\",\n \"dataCrc32c\": \"589474822\"\n}\n", Error("Invalid byte...

Ref https://github.com/crossbeam-rs/crossbeam/issues/1090 This PR implements a wrapper of the skiplist which supports creating iteator that is sendable among threads. More tests or comment can be added if this is needed.