）、 The Internet 、 Swap space 、CPU Dosage, etc. for example, And similar tools allow you to monitor memory 、I/O、 Storage （ disk 、SSD etc. System administrators can monitor and manage different system resources through some tools. Besides, Users who monopolize system resources should be prevented, Whether or not they intend to. Resource management also includes ensuring that memory is added when needed 、 Hard drive space 、 also CPU processing capacity Or restrict the use of resources when they cannot be added.
The key of resource management is to ensure that all processes can access the required system resources fairly. Resource management is one of the most important tasks of system administrators.
I've filled all the available disk space in a partition more than once 、 Run out of memory 、 And not enough CPU Time to deal with my task in a reasonable time. Īs a system administrator, Nothing frustrates me more than the accidental depletion of computing resources. The control group can manage resources according to applications, Instead of following the individual processes that make up the application.
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