How to Modify the Verbosity of Yarn Logs

[#1]

Hi,

How do you reduce the level of logging for YARN?

[#2 · Accepted solution]

Change the yarn-log4j configuration as shown. Make sure that the properties are uncommented.

[#3]

Add the following variable to the yarn-log4j configuration via Ambari

export YARN_ROOT_LOGGER=DEBUG,RFA

Be careful, this will fill up the Resourcemanager log with a lot of details 🙂