[Dovecot] best way to activate quota

[Robert Schetterer]

Am 07.09.2012 12:11, schrieb Angel L. Mateo:
> Hello,
> 
>     I'm planning to activate quota control in dovecot, with maildir
> quota backend. I have about 70k users in my system directed to 4 backend
> servers (with a director to ensure that a user is always directed to the
> same server).

sounds good, first look

> 
>     I have tried to activate it in one of my nodes. The problem is that
> load of it has increase a lot, as much as the system was unusable
> (maildir is in nfs storage, with indexes in local disks).

that might not be the optimal storage solution

> 
>     What do you think is the best to activate it?

yes ,until its better investigated, cause your systems shouldnt get unusable

> 
>     I have think that I could use doveadm commands to calculate an
> initial quota (on low load periods) and then activate quota, hoping that
> although quota is not correct, it would be used. Should this work?
> 
>     

with 70 k users , you should be able to hire
professional help from timo and/or other dovecot specialists
however you ever will have to post your
config/logs/general-setup-big-picture if asking for help

-- 
Best Regards
MfG Robert Schetterer