mayjiang0203

Scatter large account of empty region is very slow

1

## Bug Report ### What version of TiKV are you using? ### What operating system and CPU are you using? ### Steps to reproduce Import one large table split into...

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

metric: better to show the memory usage for pending task

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## Feature Request ### Is your feature request related to a problem? Please describe: ### Describe the feature you'd like: Sometimes tikv oom due to pending tasks as follows. ...

Should add metric for gRPC transmission duration for raft commit log

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## Development Task This will make it easy to spot the root cause of the commit log duration issue, especially when the cluster suffers from network jitter.

BatchSplit hang at joint state when execute `BatchSplit` and `move-hot-read-leader` at same time

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## Bug Report ### What version of TiKV are you using? v6.5.9 ### What operating system and CPU are you using? ### Steps to reproduce Batchsplit was created when the...

remove by name for alert of TiKV_raftstore_thread_cpu_seconds_total

3

### 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) ###...

v8.5.1: scale out 3 tikvs, one tikv became stuck during region-balance

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## Bug Report ### What did you do? Scale out 3 tikvs. Two of them work fine, and many regions have been balanced to them, but one tikv region-balance is...

Evicting slow stores may trigger redundant scheduling

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## Enhancement Task There are many redundant scheduling after evict-slow-store has been triaggered.   

## Enhancement Task Hit many of the following errors after dropping 0.0.0.0:2979 using iptables.  ``` [2024/11/28 19:01:01.068 +08:00] [Warn] [grpclog.go:60] ["grpc: addrConn.createTransport failed to connect to {[0.0.0.0:2979](http://0.0.0.0:2979/) 0 }....

PointGet for follower read may hit 10s+ long tail when leader transfer

2

## Bug Report ### What version of TiKV are you using? v8.1.2 ### What operating system and CPU are you using? ### Steps to reproduce ### What did you expect?...