 I'm using Qps to monitor RAM usage. It seems a bit confusing (for a non-expert like me anyway). The RAM seemed to increase with each operation of the software (QGIS) but after reaching almost 50 GB it does not increase anymore. Also, I am doubtful that the software is actually using ~50GB constantly (I would guess it has some kind of garbage collection).. so my guess is Qps is actually showing the "consumed" RAM and that is why it only 
[01:27] <arraybolt3> Rodrigo: Try looking at htop and see what it says. I find it a *lot* less confusing than Qps most of the time.
 I will. Thanks! (re @lubuntu_bot: (irc) <arraybolt3> Rodrigo: Try looking at htop and see what it says. I find it a *lot* less confusing than Qps most of the time.)
 yep, definitely it makes much more sense (re @lubuntu_bot: (irc) <arraybolt3> Rodrigo: Try looking at htop and see what it says. I find it a *lot* less confusing than Qps most of the time.)