https://jackxiang.com/index.php zh-cn https://jackxiang.com/post// jack <xdy108@126.com> Thu, 28 Jul 2022 15:02:25 +0000 https://jackxiang.com/post// #uptime
22:53:21 up 46 days,  3:57,  1 user,  load average: 10.48, 10.73, 10.82

top看到：
一个叫'systemdd-dev'的程序把 cpu 跑满了。
polkitd  1310107    7584 99 7月23 ?       55-10:12:06 /tmp/.lib/systemdd-dev

ls /tmp/.lib/systemdd-dev
ls: 无法访问'/tmp/.lib/systemdd-dev': 没有那个文件或目录

strace -f -p 1310107
[pid 1366321] sched_yield()             = 0
[pid 1366320] sched_yield()             = 0
[pid 1366325] sched_yield()             = 0
[pid 1366328] sched_yield()             = 0


polkitd  1310107    7584 99 7月23 ?       55-09:43:59 /tmp/.lib/systemdd-dev

polkitd:x:998:996:User for polkitd:/:/sbin/nologin


#cat /proc/1310107/status
Name:   systemdd-dev
Umask:  0022
State:  S (sleeping)
Tgid:   1310107
Ngid:   0
Pid:    1310107
PPid:   7584
TracerPid:      0
Uid:    998     998     998     998
Gid:    998     998     998     998
Mems_allowed_list:      0
voluntary_ctxt_switches:        1498969
nonvoluntary_ctxt_switches:     119



解决办法：
从上面进程的父亲进程号：7584得知是git，于是定位到容器。
#ps -ef|grep 7584
root        7584    7541  0 6月12 ?       00:00:00 /bin/bash /assets/wrapper
root        8523    7584  0 6月12 ?       00:00:18 runsvdir -P /opt/gitlab/service log: .........................................................................................................................
root       11249    7584  0 6月12 ?       00:00:00 /bin/bash /opt/gitlab/bin/gitlab-ctl tail
root      925975  898775  0 22:52 pts/4    00:00:00 grep --color=auto 7584
polkitd  1309744    7584  0 7月23 ?       00:03:21 /bin/bash /tmp/.lib/systemdd-udevd
polkitd  1309748    7584  0 7月23 ?       00:00:17 /var/opt/gitlab/gitlab-workhorse/java
polkitd  1310107    7584 99 7月23 ?       55-10:12:06 /tmp/.lib/systemdd-dev

docker ps -a
1b1a3af4b528   gitlab/gitlab-ce           "/assets/wrapper"        15 months ago   Up 6 weeks (healthy)   0.0.0.0:8226->22/tcp, 0.0.0.0:8341->80/tcp, 0.0.0.0:8848->443/tcp   gitlab

docker stop 1b1a3af4b528

uptime   #负载下来了
23:01:18 up 46 days,  4:05,  1 user,  load average: 0.09, 2.41, 6.67

可能有黑客入住容器？
]]> https://jackxiang.com/post//#blogcomment <user@domain.com> Thu, 01 Jan 1970 00:00:00 +0000 https://jackxiang.com/post//#blogcomment