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I'd like to change the log level of yarn. For example, when I run yarn node -list, I see a line that says INFO client.RMProxy: Connecting to Resource Manager.... I don't want to see that. Is there an easy way?

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See:

yarn --help | grep loglevel

Or:

yarn app -list 2> /dev/null | grep -iv info

Personally, I had -verbose:class in hadoop-env.sh YARN_OPTS generating info class load output.

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