1.用top命令查询一下有没有CPU占用很高的
[hadoop@10-9-15-140 ~]$ top
top - 18:59:17 up 2:05, 1 user, load average: 0.36, 0.38, 0.68
Tasks: 97 total, 1 running, 96 sleeping, 0 stopped, 0 zombie
Cpu(s): 13.0%us, 42.6%sy, 0.0%ni, 44.0%id, 0.2%wa, 0.0%hi, 0.2%si, 0.0%st
Mem: 3859680k total, 259484k used, 3600196k free, 11700k buffers
Swap: 524284k total, 0k used, 524284k free, 76232k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4120 hadoop 20 0 312m 34m 412 S 136.8 0.9 33:03.52 networkservice
1 root 20 0 19364 1548 1244 S 0.0 0.0 0:01.09 init
2 root 20 0 0 0 0 S 0.0 0.0 0:00.01 kthreadd
3 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
4 root 20 0 0 0 0 S 0.0 0.0 0:02.25 ksoftirqd/0
5 root RT 0 0 0 0 S 0.0 0.0 0:00.00 stopper/0
6 root RT 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/0
7 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/1
8 root RT 0 0 0 0 S 0.0 0.0 0:00.00 stopper/1
9 root 20 0 0 0 0 S 0.0 0.0 0:00.95 ksoftirqd/1
10 root RT 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/1
2.挖矿这种情况,是因为开了8088端口,现在把YARN上的配置文件里的8088端口修改成其它的端口比如18088端口,然后把云主机的8088端口关闭掉,把18088端口打开就可以了。
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