Postfix + maildir quotas

[Arie Kachler]

Hello,

I'm doing testing of a mail system composed of Postfix + Mysql + VDA quota
patch + courier-imap.
I'm using maildirs so the mailstore can be accessed by many servers through
nfs such that the system can be more or less scalable.
The system works very well, with the exception of the quotas. When a maildir
grows, the delivery of each message starts taking up more and more cpu up to
a point where the server starts having trouble keeping up.
Anybody has come across this situation and ways around it?

Thanks for any pointers you can give me.

Arie Kachler