overview zlib efficiency?

[Teemu Huovila]

On 15.03.2016 21:45, Sven Hartge wrote:
> Robert L Mathews <lists at 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.
>