instances consumes 2800% cpu of host

asked 2017-02-02 03:18:36 -0500

Bipin gravatar image

One of my compute hosts cpu% reached 3000%. When we checked the host, the following instances consumes 2800% of CPU.

36016 root      20   0 13.084g 8.181g   9580 R 2800  3.2 100088:29  qemu-system-x86_64 -enable-kvm -name instance-00008bc8 -S -machine pc-i440fx-trusty

This virtual machine is a windows based, the flavor is 8vCPU and 8GBvRAM. This compute hosts have 56core cpu in two sockets. Overcommit value is set for this compute node is 1:5. How its possible this virtual machine is consuming more than allocated ? Its a Juno based deployment.

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