* Viktor Dukhovni <postfix-users@postfix.org>: > 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.
At which message throughput rate will this make a difference? p@rick -- [*] sys4 AG https://sys4.de, +49 (89) 30 90 46 64 Schleißheimer Straße 26/MG,80333 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer, Wolfgang Stief Aufsichtsratsvorsitzender: Florian Kirstein
