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Application Logs

Application logs are produced by the component instances. The component is free to store logs anywhere. As component instances are activated as the YARN user (by default it is yarn) or the user running the YARN application it is required that the component instance has write permission. The best practice is to log into a sub-folder within ${AGENT_WORK_ROOT}. This symbolic name resolves to the container specific log folder  - <yarn.nodemanager.log-dirs>/application_id/container_id.

Agent Command Logs

Agent Logs

AppMaster Logs

Yarn Logs

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