[phpOpenTracker-general] Does PhpOpenTracker can deal with this configuration ?

Hello,

I plan to deploy PhpOpenTracker (with MS SQL as DB) for a free web hosting
service :

- 35 000  - 50 000 little web sites under one domain name (Total volume :  6
000 000 pages views / month) Trafic grows 20% per month. 

I've seen that PhpOpenTracker write a record in the DB for each hit. Do you
think the learning curve is long (good knowledge with SQL, but medium with
PHP & PEAR) to apply a patch that store a resume per week and per month of
data ?

MySQL with MERGE option it is a good alternative ? (with this volume)

Thanks.

JB