Comment 12 for bug 1563765

https://product-ci.infra.mirantis.net/job/9.0.system_test.ubuntu.services_ha/84/console
Failed

slave-02:
    Host node-1
    Roles:
       Hiera:
           - primary-controller
           - primary-mongo
       Nailgun:
           - controller
           - mongo
    Memory:
       RAM:
          used 5827
          cached 110
          free 142
          shared 56
          total 5969
          buffers 2
       SWAP:
          total 6143
          free 5124
          used 1019

Need total RAM > 7000mb!