What is cgroup and namespace in linux?


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cgroups limits the resources which a process or set of processes can use these resources could be CPU,Memory,Network I/O or access to filesystem while namespace restrict the visibility of group of processes to the rest of the system. Control groups(cgroups) is a Linux kernel feature which limits, isolates and measures resource usage of a group of processes. Basically there are a few new Linux kernel features (“namespaces” and “cgroups” ) that let you isolate processes from each other.


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