It will run at midnight at some point in the next week.  Yes it will 
take a while to process.

     ChrisP.



On 30/08/2016 8:17 a.m., surgemailHIDDEN@etwinsite.com wrote:
> there are apparently domain-level as well as global settings. if i 
> turn this on for a domain, what happens next? when does the operation 
> occur? in the case of one user, creating archives for 40000+ messages 
> going back to 2014 has to be a major load.......
>
> david camm
> advanced web systems
> keller, tx
>
> On 8/22/2016 4:04 PM, surgemail-support wrote:
>> Rather than increasing those settings which will just make the user 
>> experience even worse as their email client has to keep scanning the 
>> same messages every day, and your server's load worse...  it's much 
>> better to tidy up the accounts with settings like:
>>     g_inbox_archive "365"
>>     g_sent_archive "365"
>> (or smaller, 90 days might be reasonable)
>> Which will archive messages older than 1 year to sub folders, 
>> Archives/YYYY/Inbox etc... 
>
>