qemu-kvm memory usage grows considerably beyond assigned guest memory when using rbd disks
Issue
- qemu-kvm process memory usage growing continuously
- hypervisor running out of memory and killing VMs with OOM.
Environment
- Red Hat Enterprise Linux 7.9
- qemu-kvm-1.5.3-175.el7_9.5.x86_64
- Virtual disks using RBD (CEPH).
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