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https://issues.apache.org/jira/browse/SPARK-1805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14313079#comment-14313079
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Nicholas Chammas commented on SPARK-1805:
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I've created a PR to catch this error early.
We can create a separate PR later to actually support launching clusters where
the master and slaves have different virtualization types.
> Error launching cluster when master and slave machines are of different
> virtualization types
> --------------------------------------------------------------------------------------------
>
> Key: SPARK-1805
> URL: https://issues.apache.org/jira/browse/SPARK-1805
> Project: Spark
> Issue Type: Bug
> Components: EC2
> Affects Versions: 0.9.0, 0.9.1, 1.0.0, 1.1.1, 1.2.0
> Reporter: Han JU
> Priority: Minor
>
> In the current EC2 script, the AMI image object is loaded only once. This is
> OK when the master and slave machines are of the same virtualization type (pv
> or hvm). But this won't work if, say, the master is pv and the slaves are hvm
> since the AMI is not compatible across these two kinds of virtualization.
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