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PID virtualization?PID virtualization?Posted Nov 2, 2007 2:16 UTC (Fri) by quotemstr (subscriber, #45331)Parent article: Notes from a container
Why do PIDs need to be virtualized? Each process can retain its globally-unique PID. From the point of view of a process in a cgroup, processes that aren't in that particular group just don't exist. Any new process would get a free entry in the global PID list. Granted, that doesn't allow each namespace to have its PID 1, but is that a big deal?
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PID virtualization? Posted Nov 2, 2007 6:14 UTC (Fri) by dlang (✭ supporter ✭, #313) [Link] one reason is that with full container virtualization it should be possible to pick up a container from one machine and drop it on another machine and have everything keep running. that's the goal the container people are aiming for. it's significantly mor ethen the BSD jail, but without the overhead of system virtualization.
PID virtualization? Posted Nov 6, 2007 7:28 UTC (Tue) by AndrewHuo (subscriber, #28799) [Link] PID virtualization can be used to avoid PID-conflict in process migration (checkpoint&restart), though the probability of PID-conflict is very low.
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