Docker 1.12.0-rc2 update hogging cpu

Docker Desktop
1

Information

Since updating to 1.12.0-rc2 yesterday, docker builds and pushes causes a huge spike in CPU.

  • the output of:

    • Moby Menu > Diagnose & Feedback on OSX
      Docker for Mac: version: mac-v1.12.0-beta16.2
      OS X: version 10.10.3 (build: 14D136)
      logs: /tmp/20160621-103040.tar.gz
      failure: No error was detected
      [OK] docker-cli
      [OK] app
      [OK] menubar
      [OK] virtualization
      [OK] system
      [OK] osxfs
      [OK] db
      [OK] slirp
      [OK] moby-console
      [OK] logs
      [OK] vmnetd
      [OK] env
      [OK] moby
      [OK] driver.amd64-linux

  • host distribution and version ( OSX 10.10.x, OSX 10.11.x, Windows, etc )

Steps to reproduce the behavior

$ docker build
or
$ docker push