Hello it's the same thing zswap.
The use case is to be able to put more stuff in a single host without it
need needing to swap to slow disks. You sacrifice CPU and avoid a lot
slower swap to disk.
Fernando
On 30/12/2016 16:41, Yaniv Kaul wrote:
On Dec 30, 2016 7:06 PM, "Fernando Frediani"
<[email protected] <mailto:[email protected]>>
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?
Y.
Thanks
Fernando
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