Cgroups and Enterprise Users
summary
Enterprise users report concrete migrations: libcgroup now supports v1, v2 and hybrid modes and provides a practical libcgroup abstraction/mapping that converts many v1 settings (cpu.shares→cpu.weight) and creates delegated scopes via CG config delegation, letting apps obey the single-writer rule. Remaining failures include unmappable knobs (libcgroup raises an UNMAPPABLE error), device rules moving to BPF, root-cgroup cpuset enforcement differences across kernels (4.15→5.15→6.x) and lost per-cgroup RT quotas since CONFIG_RT_GROUP_SCHED.
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