tidb 日志 字段 包含大量kill

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【TiDB 版本】4.0.8

【问题描述】
日志中大量:
[2021/05/18 11:31:53.780 +08:00] [INFO] [server.go:512] [kill] [connID=460227] [query=true]
[2021/05/18 11:31:53.780 +08:00] [INFO] [server.go:512] [kill] [connID=440498] [query=true]
[2021/05/18 11:31:53.880 +08:00] [INFO] [server.go:512] [kill] [connID=461401] [query=true]
[2021/05/18 11:31:53.880 +08:00] [INFO] [server.go:512] [kill] [connID=1125636] [query=true]
[2021/05/18 11:31:53.880 +08:00] [INFO] [server.go:512] [kill] [connID=2623275] [query=true]
[2021/05/18 11:31:53.880 +08:00] [INFO] [server.go:512] [kill] [connID=440498] [query=true]
[2021/05/18 11:31:53.880 +08:00] [INFO] [server.go:512] [kill] [connID=874486] [query=true]
[2021/05/18 11:31:53.880 +08:00] [INFO] [server.go:512] [kill] [connID=1011613] [query=true]
[2021/05/18 11:31:53.880 +08:00] [INFO] [server.go:512] [kill] [connID=458692] [query=true]
[2021/05/18 11:31:53.880 +08:00] [INFO] [server.go:512] [kill] [connID=460227] [query=true]
[2021/05/18 11:31:53.880 +08:00] [INFO] [server.go:512] [kill] [connID=458689] [query=true]
[2021/05/18 11:31:53.880 +08:00] [INFO] [server.go:512] [kill] [connID=1321385] [query=true]

这个是什么操作的日志?

可以根据 connID 过滤一下日志,应该有其他现象的

没有其他的,过滤出来 全是这个id 的
[2021/05/18 12:42:01.111 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:01.211 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:01.311 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:01.411 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:01.511 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:01.611 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:01.711 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:01.819 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:01.911 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:02.011 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:02.111 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:02.211 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:02.311 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:02.411 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:02.511 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:02.611 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:02.711 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:02.811 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:02.911 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:03.011 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:03.111 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:03.211 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:03.311 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]
[2021/05/18 12:42:03.411 +08:00] [INFO] [server.go:512] [kill] [connID=895105] [query=true]

1、在数据库中,查询一下 这个。connid 的连接还在不在
2、这个问题目前有什么影响吗?
3、这个tidb-server 是否有异常日志之类