zyguan

I also agree with @petrbel , but can we reserve the directory structrue if `antlr4PackageName` is not configured? Consider that I have multiple grammars and want to keep them in...

Sorry for the late reply, I'm working on it.

> @MyonKeminta Conflicts are resolved, PTAL We have to use the old version of testkit.

/merge

We first met the issue in https://github.com/tikv/tikv/issues/12348 , it's really hard to reproduce.

Can be reproduced on tidb v6.2 ([logs](http://minio.pingcap.net:9000/test-infra/2022-08-04/plan-exec-1111487/plan-exec-1111487-2301799366/archive.tgz)).

> After this for such execution plans: > > ``` > update uk = uk where sk = 1; // The uk value is not changed > The plan: >...

I also notice that #36498 doesn't work for the following case... ```sql /* s0 */ drop table if exists t; -- s0 >> 0 rows affected /* s0 */ create...

> There could be some cases the accumulating LOCK records may introduce performance issues, actually it's found when we're doing some simulating benchmark tests(/cc @MyonKeminta ). > Compared with the...

Here is the brief history. It seems pd starts to accept connection requests before it's fully initialized. I didn't see this before, and I also don't known whether there is...