On Dec 30, 2016 7:06 PM, "Fernando Frediani" <fernando.frediani@upx.com.br> wrote:

Hello folks.

On simple libvirt/KVM hosts in order to improve RAM usage and avoid swap to disk I use zRam with swap to RAM technique. So create half of amount of host memory in zRam disk divided by the number of CPU cores. Works pretty well.

Has anyone tried it with oVirt Nodes or even has it been considered as a feature to simply turn on/off ?

What exactly is the use case?

I'd use zram for temporary disks, using the VDSM hook for them.

I think you are referring to zswap?

Thanks
Fernando

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