When investigating Genero Application Server (GAS) issues, one of the first things you might be asked to do is to increase the level of logging. This can be done by changing the CATEGORIES_FILTER value to ALL or DEBUG and will normally result in a groan being emitted by the GAS system administrator as they believe this means stopping and restarting the GAS dispatcher.
Since 4.01, there is a way this can be done that without stopping and restarting the GAS dispatcher as mentioned in the 4.01 GAS New Features. This involves using the gasadmin tool and is achieved via use of the reset-log verb.
Read more at
https://4js.com/ask-reuben/ig-245/