tidb不可用

[wbflooksky]

问题如下：
tidb运行一段事件后服务就不可用了
查看日志有很多 pdclient 的错误

通过重启basic-tidb可以解决
pd的日志
pd.log (6.2 MB)
这个有什么解决方式吗

[yilong (yi888long)]

可以先查一下集群负载，看看是不是负载太高了。
再检查下网络是否正常。
请问你们是什么环境搭建的k8s? 配置如何。
[2021/04/07 06:36:56.204 +00:00] [WARN] [raft.go:363] [“leader failed to send out heartbeat on time; took too long, leader is overloaded likely from slow disk”] [to=6714b6bba19d8895] [heartbeat-interval=500ms] [expected-duration=1s] [exceeded-duration=251.715728ms]
[2021/04/07 06:37:01.048 +00:00] [WARN] [lease.go:119] [“leader lease keep alive failed”] [error=“context canceled”]
[2021/04/07 06:37:01.048 +00:00] [WARN] [lease.go:119] [“leader lease keep alive failed”] [error=“context deadline exceeded”]

[wbflooksky]

已fix，机器负载不高，集群网络出问题，导致出现了这个错误。