I am looking for an efficient way to modify both the mapred-site.xml and the yarn-site.xml in my configuration file for Hadoop on AWS EMR. I can achieve this manually using vim to edit it however I was hoping there was a way that was more efficient, perhaps through the CLI or even Python. All my searches online yield nothing, except this but it doesn't really answer my question. Any suggestions?
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You may configure applications at cluster creation time by following http://docs.aws.amazon.com/emr/latest/ReleaseGuide/emr-configure-apps.html
Jonathan Kelly
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