The Size of log becomes larger if the below files are present in the logs folder:  (Drive:\ManageEngine\ServiceDeskPlus-MSP)

1. Extended_logs. ( example :extended_access_log.2022-10-25txt)

2. Access_logs.

If you find these folders under the logs :

1.Move the files to the different location.

2. Delete the above files

Note : Please keep a copy of the recent files ( that will help to check with the performance  issues ) and share the logs with support team when required.