Ciao Simone,

why you want each backend to recalc quota only for its managed users and not run "doveadm quota recalc -A" only one time from a backend tha recalc quota for all users?

Il 10/03/20 11:18, Simone Lazzaris ha scritto:

Hello dovecot!

I administer a dovecot installation with 30k users. I've got 4 dovecot directors as frontend and 10 backends.

The mailbox are now in maildir format, with maildir++ quota, on a shared netapp filer. Indexes are local on each backend.

 

I'm reconfiguring the quota plugin: as a first step, I want to use the clone plugin to keep a copy of the quota on a redis database. Next, I'm going to use the "count" quota backend.

 

I've configured without (many) issues the quota clone plugin, but now I want to force the recalculation on all the mailboxes, because I've got some (not many, but some) mailboxes that are mostly unused and are not refreshed.

 

At first, I was going to use "doveadm quota recalc -A", but.... I want each backend to perform the recalculation ONLY for the users he it's managing.

I can't perform "doveadm quota recalc -A" on the directors, because the quota plugin is enabled only on the backends.

 

I can parse the user mapping on the directors and split the calculation, one user a time, on the backends, but I feel I'm choosing a overly complicated path.

 

So.... which is the right way to do this?

 

Thanks.

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