How much of a performance booster is 2GB vs 1GB RAM?

[tophee (Christoph)]

This question has unintentionally resurfaced in another topic and, after some more testing, the answer there is pretty clear: for running Wordpress and Discourse on the same server, 1GB is not enough:

Is 1GB RAM enough for both WordPress and Discourse?

I noticed a couple of warnings when rebuilding my container: WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128. WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add ‘vm.overcommit_memory = 1’ to /etc/sysctl.conf and then reboot or run the command sysctl vm.overcommit_memory=1’ for this to take effect WARNING you have Transparent Huge Pages (THP) support en…