tonyxuqqi

[Draft] Raftstore v2 read and v1 read refactor

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### What is changed and how it works? Issue Number: Ref #12842 What's Changed: ```commit-message refactor v1's raftstore read and add read for raftstore v2. The goal is to re-use...

make read quota limiter work for coprocessor as well

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Signed-off-by: qi.xu ### What is changed and how it works? Issue Number: Close #13256 What's Changed: ```commit-message The coprocessor's read bytes are not calculated by foreground quota limiter. ``` ###...

## Bug Report ### What version of TiKV are you using? 6.0 or later ### What operating system and CPU are you using? ### Steps to reproduce set tikv config:...

## Bug Report Please answer these questions before submitting your issue. Thanks! **What did you do?** Search a key word such as "delete" in SQL statement page **What did you...

TiKV should be tolerant on single EBS IO jitter

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## Development Task Today if a region leader's TiKV EBS has IO jitter, it will greatly impact that TiKV's write latency. This is because leader has to wait for the...

## Development Task This is to track the memory usage improvement tasks/issues, such as OOM, memory profiling etc. - [ ] [#15927 - Memory reduction efforts - [x] #15770 -...

[test-only]debug wal log

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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...

flaky test all::failed_during_refresh_region – backup-stream::failpoints

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https://ci.pingcap.net/blue/organizations/jenkins/tikv_ghpr_test/detail/tikv_ghpr_test/42374/tests Stacktrace thread 'all::failed_during_refresh_region' panicked at components/backup-stream/tests/failpoints/mod.rs:185:15: not all keys are recorded: it remains ["7480000000000000ff015f728000000000ff0002840000000000fafffffffffffffe75", "7480000000000000ff015f728000000000ff0002440000000000fafffffffffffffeb5", "7480000000000000ff015f728000000000ff00021a0000000000fafffffffffffffedf"]... (total = 128) stack backtrace: 0: rust_begin_unwind at /rustc/89e2160c4ca5808657ed55392620ed1dbbce78d1/library/std/src/panicking.rs:645:5 1: core::panicking::panic_fmt at /rustc/89e2160c4ca5808657ed55392620ed1dbbce78d1/library/core/src/panicking.rs:72:14...

https://ci.pingcap.net/blue/organizations/jenkins/tikv_ghpr_test/detail/tikv_ghpr_test/42399/tests Stacktrace thread 'backup::disk_snap::test_conf_change' panicked at tests/integrations/backup/disk_snap.rs:37:5: header { error { message: "\"[components/raftstore/src/store/peer.rs:4727]: [region 1] 2 peer has not applied to current term, applied_term 5, current_term 6\"" } current_term: 6...

## Development Task We need a deterministic way to cache or evict a specific key ranges (Eventually it should be based on table, but for stage 1, we can use...