nice命令在centOS7下不能正常使用
在CentOS 7版本上nice命令并沒(méi)有修改其優(yōu)先級(jí)，請(qǐng)問(wèn)是nice命令失效了還是什么其他原因？
慕沐5825658
2016-11-09
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2016-11-11
man nice 的結(jié)果
NAME
?????? nice - run a program with modified scheduling priority
SYNOPSIS
?????? nice [OPTION] [COMMAND [ARG]...]
DESCRIPTION
?????? Run? COMMAND? with? an? adjusted niceness, which affects process scheduling.? With no COMMAND, print the current niceness.? Niceness values
?????? range from -20 (most favorable to the process) to 19 (least favorable to the process).
?????? Mandatory arguments to long options are mandatory for short options too.
?????? -n, --adjustment=N
????????????? add integer N to the niceness (default 10)
The? full documentation for nice is maintained as a Texinfo manual.? If the info and nice programs are properly installed at your site, the
?????? command
????????????? info coreutils 'nice invocation'
我執(zhí)行 nice -n -10 service httpd start?? 的結(jié)果為
We are no longer a registered authentication agent.
不過(guò)nice這個(gè)優(yōu)先級(jí)修改的效果不明顯，不要糾結(jié)了