Updating the log level from the Storm UI

Go through the following steps to update the log level from the Storm UI:

1. Deploy SampleStormClusterTopology again on the Storm cluster if it is not running.
2. Browse the Storm UI at http://nimbus-node:8080/.
3. Click on the storm_example topology.

 

1. Now click on the Change Log Level button to change the ROOT logger of the topology, as shown in the following are the screenshots:

1. Configure the entries mentioned in the following screenshots change the ROOT logger to ERROR:

1. If you are planning to change the logging level to DEBUG, then you must specify the timeout (expiry time) for that log level, as shown in the following screenshots:

1. Once the time mentioned in the expiry time is reached, the log level will go back to the default value:

1. Clear button mentioned in the Action column will clear the log setting, and the application will set the default log setting again.