On 15.03.2016 21:45, Sven Hartge wrote: > Robert L Mathews <li...@tigertech.com> wrote: > >> Also keep in mind that even if it does increase CPU usage, it reduces >> disk usage. This is probably an excellent tradeoff for most people, >> since most servers are limited by disk throughput/latency more than >> CPU power. > > IOPS are harder to scale (meaning: cost more to scale) than CPU power. > > And gzip (or lz4 of implemented someday) (or even blosc: liblz4 has been supported since 2.2.11+ http://wiki2.dovecot.org/Plugins/Zlib
> http://www.blosc.org/. They claim "Designed to transmit data to the > processor cache faster than a memcpy() OS call.") is effectively free > with todays CPUs. > > Grüße, > Sven. >