extremely lag after installation

Bug #1965891 reported by Kim Wang
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
MicroStack
New
Undecided
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Bug Description

CPU: 16 (Intel(R) core(TM) i7-10700 CPU @ 2.90GHz)
RAM: 8GB
Disk: SSD 256GB (Use 27%)

Linux kernel: 5.13.0-35-generic
OS: Ubuntu 20.04.3 LTS
Codename: focal

I install mircostack through the steps in https://ubuntu.com/openstack/install .
After `sudo microstack init --auto --control`, system becomes extremely lag. It is hard to type or move cursor. LED lock on keyboard works.
I wait for 30 mins, and then shutdown through long press on power button.
After rebooting, system becomes normal and I could login through page https://10.20.20.1 .
But, I find out there is a process ovn-controller always using high CPU (80%+).

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