[jira] [Updated] (WHIRR-332) Need to specify different instance size/type depending on role

["Andrei Savu (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WHIRR-332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrei Savu updated WHIRR-332:
------------------------------

    Fix Version/s: 0.8.0

Let's tackle this for 0.8.0. Maybe we can also look into adding the ability to use regular and spot instances at the same time (e.g. a Hadoop cluster with 50% regular 50% spot - I know EMR can do this trick). 
                
> Need to specify different instance size/type depending on role
> --------------------------------------------------------------
>
>                 Key: WHIRR-332
>                 URL: https://issues.apache.org/jira/browse/WHIRR-332
>             Project: Whirr
>          Issue Type: Bug
>          Components: service/hadoop
>    Affects Versions: 0.5.0
>            Reporter: Paul Baclace
>             Fix For: 0.8.0
>
>
> When setting up Hadoop, whirr.hardware-id is used in the configuration to set a single instance size/type for both nn,jt and dn,tt roles, but there are workloads that benefit from having a different instance size/type for each role.  This need is even greater for ensembles with Zookeeper and HBase.
> Without this, a small Whirr cluster underutilizes resources. 
> whirr.hardware-id should be a used to set a default instance size/type, and variations like whirr.${role}.hardware-id could be used to set size/type more specifically. This is a simple, obvious, and easy to implement mechanism to provide this functionality.

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