How to enable debug level logging for YARN services without a restart

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asked Aug 20, 2017 in Hadoop by admin (4,410 points)
SummarySome times we need to enable debug on a specific class to get more information.
Applies To
  • YARN
  • Resource Manager
  • Node Manager
  • JobHistory Server
  • Logging
Instructions1. Open the Resource Manager Web UI Log level configuration page
To do this you can go to Cloudera Manager -> YARN service -> Resource Manager Web UI and manually replace the /cluster URI with /logLevel URI, as showed in the following screenshot.

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