After my ubbt_ONLINE was full today for 87 minutes in setting MEMORY I have changed Who's online from 60 min to 20 min stil using MEMORY.
Don't know how the database reacts but ubbt_ONLINE is still 15.61MB so it's near 16MB limit.
Hopefully the size will come down soon.
Any advice on how to handle it? I have a feeling someone is sending traffic to/thru our forum.