if i have a thousands of nodes forming cluster where nodes are connected manually forming a ring(node1 to 2, 2 to 3, 3 to 4… last to 1node). if all nodes have 1 genserver registered with their module. and if any genserver fail then they again restart and in handle_continue, they use Enum.each(Node.…

And yet… [image] benwilson512: WhatsApp ran a multi billion user chat app on < 50 servers

whatsapp use 16000 nodes. correct your data.

https://twitter.com/colrack/status/1192408832623947776 zoom image and see.

This is better link to the same sort of thing (and same subject) that you’re linking. [Maxim Fedorov - Scaling Erlang cluster to 10,000 nodes | Code Mesh LDN 18] The reality is if I find myself needing those sorts of node counts, I probably need someone already highly versed, skilled, …

Again and again, you’re only saying what you are aiming to do and never once said why you are doing it. Why were you using distributed Mnesia? What was wrong with a traditional database? And what kind of app has 100s of millions of users? Are you working for Telegram? You don’t seem to understand…

[image] sbuttgereit: highly versed, skilled, and experienced with BEAM internals you can’t expect high skill and experience from 17 years old boy.

see i am working for someone so i can’t say for whom i am working. but i will explain what i am trying to do, see this application have group which contain something like 2 lakh people and and we are thinking to increase it. we are using mnesia to keep user session pid with user detail in mnesia to…

Then ETS is not going to help you, as you discovered it’s a local node only.

I’m going to sidestep the political discussion, assume that 1000 nodes is a good approach, ignore that the ring connection strategy sounds questionable, and just address the question: [image] Erynn: the main problem is how we know pid of that node genserver to send ets table by using Kernel.sen…