I just received the following email from my hosting company.
I have 2 questions.
1) In general what would cause transaction logs being so high
2) what are the effects of being in simple recovery model.
"Can i ask precisely what you're doing with the xxxx database at present ?
Yesterday some 77GB of transaction logs were generated, today has been 10GB - which is more than all the other databases on the server !
To ensure this database doesn't affect other users on the server, i've had to set your database to use a simple recovery model..."