Just make sure your prefferences settings limits to 1 CPU.
Docker just released a native MacOS runtime environment to run containers on Macs with ease. They fixed many issues, but the bitter truth is they missed something important. The read and write access for mounted volumes is terrible. Find out more here https://goo.gl/14TxyE
What version are you using ? I don't have that option.
Thank you for sharing
I've used this link to download an previous version to fix the issue.