=> oracle-19c6-vagrant: Waiting for machine to boot. => oracle-19c6-vagrant: Running 'pre-boot' VM customizations. => oracle-19c6-vagrant: Forwarding ports. => oracle-19c6-vagrant: Preparing network interfaces based on configuration. => oracle-19c6-vagrant: Clearing any previously set network interfaces. => oracle-19c6-vagrant: Clearing any previously set forwarded ports. Let’s start with an idle VM after booting it through Vagrant: $ vagrant upīringing machine 'oracle-19c6-vagrant' up with 'virtualbox' provider. To get more information about what threads actually take CPU-time on MacOS the tool spindump can be quite useful. After the load has finished, I still see my host CPU busy for minutes, but the virtual CPUs in the VM are idle. The issue specifically happens when running queries against the DB, which produce high load. Since migrating to Virtualbox V7 it feels as if programs like VBoxHeadless (when starting the VM through Vagrant) or VirtualBoxVM (when starting my Windows VM) take lots of CPU resources on my Mac host even though the VM itself is idle. when writing this Blog) to setup testcases for Oracle Databases or use a Windows VM for tests of Windows programs. I’m using it with Vagrant on my Macbook Pro 2019 (Intel with Ventura 13.2. Many people in the IT industry do use VirtualBox as a Type-2 Hypervisor to test software in virtual machines.
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