Hardware requirements mismach

Summary

Memory usage in VM machine dedicated for 150 users and 1122 projects (560 forks).

It is possible that with the latest versions of the amount of memory increased by default?

Expected behavior

Less than 2GB

Actual behaviour

More than 4GB mostly part of time

Relevant logs and/or screenshots

all before return ok.
Redis version >= 2.8.0? ... yes
Ruby version >= 2.1.0 ? ... yes (2.3.1)
Your git bin path is "/opt/gitlab/embedded/bin/git"
Git version >= 2.7.3 ? ... yes (2.7.4)
Active users: 146

Checking GitLab ... Finished

Results of GitLab environment info

System information
System:		
Current User:	git
Using RVM:	no
Ruby Version:	2.3.1p112
Gem Version:	2.6.6
Bundler Version:2.3.0
Rake Version:	10.5.0
Sidekiq Version:4.1.4

GitLab information
Version:	8.11.2
Revision:	e618ce2
Directory:	/opt/gitlab/embedded/service/gitlab-rails
DB Adapter:	postgresql
URL:		http://gitlab.corp.folha.com.br
HTTP Clone URL:	http://gitlab.corp.folha.com.br/some-group/some-project.git
SSH Clone URL:	git@gitlab.corp.folha.com.br:some-group/some-project.git
Using LDAP:	no
Using Omniauth:	no

GitLab Shell
Version:	3.4.0
Repository storage paths:
- default: 	/var/opt/gitlab/git-data/repositories
Hooks:		/opt/gitlab/embedded/service/gitlab-shell/hooks/
Git:		/opt/gitlab/embedded/bin/git