Re: questions for users of shared mailboxes: conversations

Hi

We are using share mailboxes quite a bit.

These are quite extensively and contain e.g. separate folders for 
projects, companies etc. We are talking thousands of shared boxes with 
each hundreds to ten thousands of mails, some of them contain a lot more 
emails.

Additionally we use shared Archive folders, that are automatically 
filled for archiving purposes, but also contain all mails of certain age.

We are using this out of the box and did not find performance issues 
here, only the difficulty in having to configure Cyrus manuall on the 
command line.

Cheers

T

Ricardo Signes via Info schrieb am 24.09.25 um 22:23:
> Hi,
>
> Over time, we're trying to reduce the number of possible 
> configurations of Cyrus.  Every optional feature means more possible 
> configurations, which means more testing and debugging.  A likely 
> candidate for "no longer optional" in the future is the conversations 
> system.  In general, I do not expect this to cause difficulty, but 
> there is one place that it becomes interesting.
>
> The conversations database is per-user, and so grows in proportion to 
> the user's mail size.  That's the unit you have to scale at.
>
> *For shared, not-user-owned mailboxes, there is no conversationsdb. 
> *If we want to create one, we will need to think about where it goes, 
> and how we scale.  For example, if you're using shared mailboxes to 
> store all of usenet, you may well want to split that up into multiple 
> conversation databases.
>
> We (Fastmail) do not use shared mailboxes like this.  I am looking for 
> a show of hands or description of use case from anybody out there who 
> /is /using shared mailboxes like this so we can get a sense of what 
> folks are doing.  (I realize that this is not going to be a scientific 
> survey of all Cyrus IMAP users.)
>
> Hit reply or reply to me privately.  Thanks!
>
> -- 
> rjbs
>
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