On Mon, Jun 12, 2017 at 10:32:18AM +0200, Patrick Ben Koetter wrote:
> * Julian Kippels <kipp...@hhu.de>:
> > would it be faster to have several smaller files for alias_maps and
> > transport_maps for each virtual domain, or have one giant file each with
> > all users domain from all virtual domains in one file? Around 90% of
> > traffic is for one domain and the rest is split among 32 other domain.
>
> Hard to tell. If they are static, binary maps Postfix will read them all into
> memory and work with the in memory copies. So you don't gain any speed
> improvements from a giant file.
A single CDB, LMDB or Berkeley DB file is much more efficient than
multiple smaller files.
--
Viktor.
