HuaiyuXu

fatal error: checkptr: pointer arithmetic result points to invalid allocation

5

related issue: https://github.com/pingcap/tidb/issues/29086 We got the following error when running `go test -race` on Go1.15 and `go test -race -d=checkptr` on Go1.13. Does anyone know why this happens? ``` fatal...

## Feature Request **Is your feature request related to a problem? Please describe:** After https://github.com/pingcap/tidb/pull/33953, when the query on cluster_slow_log consumes too much memory, the error message will be returned...

为什么要记录 cpu 利用率和 goroutine 数量？

1

看 readme 提及的意思是，为了解决的问题是被 OOM-Killer kill 掉而无法保留现场的问题 那么是否只监控物理机或容器的内存使用率即可，而无需监控 cpu 利用率和 goroutine 数量？

executor: introduce probeSideFetcher role for HashJoinExec

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### What problem does this PR solve? Issue Number: close #xxx Problem Summary: ### What is changed and how it works? ### Check List Tests - [ ] Unit test...

## Feature Request **Is your feature request related to a problem? Please describe:** Make the profile result more readable **Describe the feature you'd like:** https://github.com/pingcap/tidb-dashboard/blob/22ad520874613023b0821dcc8a3853afda3819ea/pkg/apiserver/profiling/pprof.go#L51-L58 I suggest using `/debug/pprof/goroutine?debug=2` for...

Hi, I'm confused why there are 3 `Reconnecting` logs printed.  I try to reproduce this case but failed. Could anyone give me some help reproducing this case? ``` Step1:...

nil pointer error

2

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) ``` sql drop table if exists table_abc1; drop table if exists table_abc2;...