Adding namespace alias_for causes index resync?

[Tom Sommer]

On 2018-09-12 16:54, Tom Sommer wrote:
> I just added a new namespace-alias with alias_for.
> 
> Apparently this causes all mailbox indexes to be resynced? Is this
> intentional and/or is there some way to avoid this? My NFS storage
> pretty much kills itself when hundreds of thousands of users needs to
> resync indexes :)

Also when removing the alias_for namespace, I have to run a "doveadm 
force-resync" on the account?

I thought alias_for would be non-destructive to current users?

---
Tom