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From Haijiao <18602198...@163.com>
Subject ***UNCHECKED*** Question about 'Deployment Planner'
Date Tue, 09 Apr 2019 06:47:50 GMT


Even we have ran CloudStack for years,still not quite clear about how 'First Fit'  method
exactly works ?


It's stated in http://docs.cloudstack.apache.org that if  select 'First Fit' method in 'Deployment
Planner',  user shall 'places new VMs on the first host that is found having sufficient capacity
to support the VM’s requirements.' 


The question is 


    1. in what order CloudStack checks hosts to find out who is  capable to host the new VM
?   
    2. Is there a method ACS can create the new VM on the host which has less resource utilizatoin,
e.g CPU or memory ? That would be particularly useful to balance the host resource utilization
among hosts within same cluster. 


Regards, 





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