Below are the logging levels in cassandra:
ALL: All levels including custom levels
TRACE: Designates finer-grained informational events than the DEBUG
DEBUG: Designates fine-grained informational events that are most useful to debug an application
INFO: Designates informational messages that highlight the progress at a coarse-grained level
ARN: Designates potentially harmful situations
ERROR: Designates error events that might still allow the application to continue running
OFF: The highest possible rank and is intended to turn off logging
