ReleaseEngineering:DockerMockComparison

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Feature Mock Docker
Base technology chroot Linux containers (lxc)
Bind-mount host filesystem Yes Soon
Separate set of RPM packages from host Yes Yes?
Snapshot+share environment No Yes
Maturity Stable Under heavy development
Network isolation No Yes
Resource isolation (CPU, RAM) No Yes
Filesystem management None Copy-on-write (via AUFS)
I/O, RAM, CPU, cache instrumentation No Yes (via cgroups)
Ease of manipulating environment variables inside "container" Hard  ??