This is a starting point for Rust solutions to the "Build Your Own Redis" Challenge.

In this challenge, you'll build a toy Redis clone that's capable of handling basic commands like PING, SET and GET. Along the way we'll learn about event loops, the Redis protocol and more.

Note: If you're viewing this repo on GitHub, head over to codecrafters.io to try the challenge.

Passing the first stage

The entry point for your Redis implementation is in src/main.rs. Study and uncomment the relevant code, and push your changes to pass the first stage:

git add .
git commit -m "pass 1st stage" # any msg
git push origin master

That's all!

Stage 2 & beyond

Note: This section is for stages 2 and beyond.

1. Ensure you have cargo (1.54) installed locally
2. Run ./spawn_redis_server.sh to run your Redis server, which is implemented in src/main.rs. This command compiles your Rust project, so it might be slow the first time you run it. Subsequent runs will be fast.
3. Commit your changes and run git push origin master to submit your solution to CodeCrafters. Test output will be streamed to your terminal.

My Notes

The final solution to the codecrafters challenge is in branch codecrafters-stage7.

In the main branch, I am solving the extra challenges using different dependencies which are incompatible with codecrafters CI.

Extra Challenges Planned

• Write tests in rust that prove thread safety
• Persistence + Recovery (RDB snapshot and/or Append-Only File)
• High Availability communication + failover (Keep replica server in sync, replication id/offset)
• Authentication
• Garbage collection on long-lived expired keys
• Handle other data types like sets/hashes

Additional References

• Redis Architecture
• Redis Command Docs