vm tunable memory and cgroup

[yue <libvirt@xxxxxxx>]

hi,all

1.

is there any relationship between cgroup and tunable memory ? if i adjust vm's memory, if cgroup has any responding action?

<memory unit='KiB'>1048576</memory>
<currentMemory unit='KiB'>524288</currentMemory>

2. it seems that  the memory.limit_in_bytes of a vm in cgroup is twice over vm's assigned memory?

addtional, blkio.sectors  does not equal  sectors calculated from inner vm.

how limit_in_bytes, sectors   are calculative?              what is the relationship between them? 

 

thanks

 

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