一天发现服务器特别卡top一看
top后会有一个PID可以看到 ：90086
kdevtmpfsi有守护进程，单独kill掉kdevtmpfsi进程会不断恢复占用。守护进程名称为kinsing，需要kill后才能解决问题。
#查询关联的守护进程
[root@iZwz97v9b9ili0mz7rl188Z overlay2]# systemctl status 2854
session-5649.scope - Session 5649 of user root
Loaded: loaded (/run/systemd/system/session-5649.scope; static; vendor preset: disabled)
Drop-In: /run/systemd/system/session-5649.scope.d
└─50-After-systemd-logind\x2eservice.conf, 50-After-systemd-user-sessions\x2eservice.conf, 50-Description.conf, 50-SendSIGHUP.conf, 50-Slice.conf, 50-TasksMax.conf
Active: active (abandoned) since 一 2019-12-23 10:41:33 CST; 2 days ago
CGroup: /user.slice/user-0.slice/session-5649.scope
├─ 2854 /tmp/kdevtmpfsi
└─18534 ./kinsing1oZIY4Aid7
最后把IP拉黑就可以
iptables -I INPUT -s 211.1.0.0 -j DROP
分享：
