Limit CPU usage for a process
zh:限制进程的 CPU 使用情况
de:CPU-Auslastung für einen Prozess zu begrenzen
nl:Beperken van CPU-gebruik voor een proces
he:להגביל את השימוש ב- CPU עבור תהליך
ro:Limita utilizarea Procesorului pentru un proces
ru:Ограничить использование ЦП для процесса
ar:الحد من استخدام وحدة المعالجة المركزية لعملية
it:Limitare l'utilizzo della CPU per un processo
pt:Limitar o uso da CPU por um processo
es:Limitar el uso de la CPU de un proceso
fr:Limiter l'utilisation CPU pour un processus
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It may be interesting to be able to limit the CPU usage for a process so that it does not overload your Server (case of a backup for example ).
The package that allows this is CPULimit You can install via the command :
apt-get install cpulimit
To set up the CPU limitation for a process in particular, you will need to use a screen.
The screen creation :
screen -S limitationCPU
In the screen, one sets up the CPU limitation (in the example below, we will restrict the process with the PID 888 à 50%) :
cpulimit -p 8888 -l 50%
Can then detach the screen using Ctrl + A + D.
If you want to reattach the screen created earlier, just run :
screen -r limitationCPU
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