[Dovecot] Scalability plans: Abstract out filesystem and make it someone else's problem

[Seth Mattinen]

Eric Jon Rostetter wrote:
> Quoting Seth Mattinen <sethm at rollernet.us>:
> 
>> Queue directories and clusters don't
>> mix well, but a read-heavy maildir/dbox environment shouldn't suffer the
>> same problem.
> 
> Why don't queue directories and clusters mix well?  Is this a performance
> issue only, or something worse?
> 

It depends on the locking scheme used by the filesystem. Working queue
directories (the ones where stuff comes and goes rapidly) is best suited
for a local FS anyway.

~Seth