yarn debugcontrol
used to save additional DEBUG logs for scheduling in YARN to a separate file without restarting the RM.
The logs are saved in /opt/mapr/Hadoop/Hadoop<version>/logs/yarn-mapr-scheduling-debug.log
Syntax
yarn debugcontrol
[-addapp <application_name>] | [-addqueue <queue_name> ]|
[-removeapp <application_name> ] | [-removequeue <queue_name> ] | [-getapps
] | [-getqueues ]
Parameters
| Parameter | Description |
|---|---|
| -addapp <application_name> | enables additional scheduling DEBUG on the application |
| -addqueue <queue_name> | enables additional scheduling DEBUG on the queue |
| -removeapp <application_name> | disable addition scheduling DEBUG on the application |
| -removequeue <queue_name> | disable addition scheduling DEBUG on the queue |
| -getapps | lists the applications with additional scheduling DEBUG |
| -getqueues | lists the queues with additional scheduling DEBUG |