[ 
https://issues.apache.org/jira/browse/DLAB-1914?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Vira Vitanska updated DLAB-1914:
--------------------------------
    Description: 
Every computational resource has only one master node and the other nodes are 
slaves.

We allow user to chose different sizes for master and for slave only for EMR 
and Dataproc. 

User cannot chose different sizes for master and for slave for Spark cluster.

So calculate the amount of salve nodes for 'Billing report' page:

total_number_nodes - one_node

(i) It is wrong calculation if slave amount for EMR and Dataproc (view 
attachment).

  was:
Every computational resource has only one master node and the other nodes are 
slaves.

We allow user to chose different sizes for master and for slave only for EMR 
and Dataproc. 

User cannot chose different sizes for master and for slave for Spark cluster.

So calculate the amount of salve nodes for 'Billing report' page:

total_number_nodes - one_node


> [Billing]: The amount of slave nodes calculate as 
> 'total_number_nodes-1node(master)'
> ------------------------------------------------------------------------------------
>
>                 Key: DLAB-1914
>                 URL: https://issues.apache.org/jira/browse/DLAB-1914
>             Project: Apache DLab
>          Issue Type: Task
>          Components: DLab Main
>            Reporter: Vira Vitanska
>            Assignee: Oleg Fuks
>            Priority: Minor
>              Labels: AWS, AZURE, GCP
>         Attachments: Slave.png, Wrong amoun of slaves.png
>
>
> Every computational resource has only one master node and the other nodes are 
> slaves.
> We allow user to chose different sizes for master and for slave only for EMR 
> and Dataproc. 
> User cannot chose different sizes for master and for slave for Spark cluster.
> So calculate the amount of salve nodes for 'Billing report' page:
> total_number_nodes - one_node
> (i) It is wrong calculation if slave amount for EMR and Dataproc (view 
> attachment).



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