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https://issues.apache.org/jira/browse/SPARK-12111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15036863#comment-15036863
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Sean Owen commented on SPARK-12111:
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Are you asking about spark-ec2 specifically? this generally is not supported by
the project. Yes, you really do have to stop the cluster if you want to run a
different version. Of course it's then a matter of updating files and such, but
that's already documented. I don't see what data in HDFS has to do with it.
Again, this is better as a question on the mailing list though.
> need upgrade instruction
> ------------------------
>
> Key: SPARK-12111
> URL: https://issues.apache.org/jira/browse/SPARK-12111
> Project: Spark
> Issue Type: Documentation
> Components: EC2
> Affects Versions: 1.5.1
> Reporter: Andrew Davidson
> Labels: build, documentation
>
> I have looked all over the spark website and googled. I have not found
> instructions for how to upgrade spark in general let alone a cluster created
> by using spark-ec2 script
> thanks.
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