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I'm running a crypto trading platform I'm developing on 30$ on DigitalOcean. I coded exclusively in Rust and recently added a dynamic interface to python. Today

I'm running a crypto trading platform I'm developing on 30$ on DigitalOcean. I coded exclusively in Rust and recently added a dynamic interface to python. Today during the BTC crash it spiked at 20k events/s, and that's only incoming data.

giancarlostoro 5y ago
is that $30 for a single droplet or is it spread out between a few different services? I'm kind of curious since I use DO for small projects myself.
- bochoh 5y ago
  I’m also curious on this. My stack currently is a SQLite file -> ORM -> .net core on Linux on a single box
- Gepsens 5y ago
  It's not a single droplet, it's 3 + data
- Gepsens 5y ago
  I use terraform and ansible, one droplet has monitoring (prom and grafana), 2 run services that currently run without any other infrastructure The rest of the cost is a 250 gb space on DO
danudey 5y ago
> I coded exclusively in Rust This reminds me of back in 2003, a friend of mine worked for an online casino vendor; basically, if you wanted to run an online casino, you'd buy the software from a company and customize it to fit your theme. They were often written in Java, ASP.NET, and so on. They were extremely heavyweight. They'd need 8-10 servers for 10k users. They hogged huge amounts of RAM. My friend wrote the one this company was selling in C. Not even C++, mind you, just C. The game modules were chosen at compile time, so unwanted games didn't exist. The entire binary (as in, 100% of the code) compiled to just over 3 MB when stripped. He could handle 10k concurrent users on one single-core server. I'm never gonna stop writing things in Python, but it still amazes me what can happen when you get down close to the metal.
- Karrot_Kream 5y ago
  OpenResty [1] is a good mix of these concepts. It serves requests through nginx (which is at its core just a lightweight event loop) and then serves pages through LuaJIT. If you need more speed you could always write an nginx module in C (or in some other language viz the C ABI). [1]: https://openresty.org/en/ https://openresty.org/en/
- Gepsens 5y ago
  Yeah currently for me there's no tool like Rust for performance, the borrow-checker isn't that complicated. However, last month I started adding a python wrapper around the public api so I'm slowly going your way ;)
Andrew_nenakhov 5y ago
Probably, Erlang would be a good fit for your task.
- Gepsens 5y ago
  And you are totally right
- Gepsens 5y ago
  In fact you aren't just perspicacious, the entire system uses actors in Rust.

giancarlostoro 5y ago

is that $30 for a single droplet or is it spread out between a few different services? I'm kind of curious since I use DO for small projects myself.

bochoh 5y ago
I’m also curious on this. My stack currently is a SQLite file -> ORM -> .net core on Linux on a single box
Gepsens 5y ago
It's not a single droplet, it's 3 + data
Gepsens 5y ago
I use terraform and ansible, one droplet has monitoring (prom and grafana), 2 run services that currently run without any other infrastructure The rest of the cost is a 250 gb space on DO

danudey 5y ago

> I coded exclusively in Rust This reminds me of back in 2003, a friend of mine worked for an online casino vendor; basically, if you wanted to run an online casino, you'd buy the software from a company and customize it to fit your theme. They were often written in Java, ASP.NET, and so on. They were extremely heavyweight. They'd need 8-10 servers for 10k users. They hogged huge amounts of RAM. My friend wrote the one this company was selling in C. Not even C++, mind you, just C. The game modules were chosen at compile time, so unwanted games didn't exist. The entire binary (as in, 100% of the code) compiled to just over 3 MB when stripped. He could handle 10k concurrent users on one single-core server. I'm never gonna stop writing things in Python, but it still amazes me what can happen when you get down close to the metal.

Karrot_Kream 5y ago
OpenResty [1] is a good mix of these concepts. It serves requests through nginx (which is at its core just a lightweight event loop) and then serves pages through LuaJIT. If you need more speed you could always write an nginx module in C (or in some other language viz the C ABI). [1]: https://openresty.org/en/ https://openresty.org/en/
Gepsens 5y ago
Yeah currently for me there's no tool like Rust for performance, the borrow-checker isn't that complicated. However, last month I started adding a python wrapper around the public api so I'm slowly going your way ;)

Andrew_nenakhov 5y ago

Probably, Erlang would be a good fit for your task.

Gepsens 5y ago
And you are totally right
Gepsens 5y ago
In fact you aren't just perspicacious, the entire system uses actors in Rust.