RaftDB - Distributed Consensus Database

A fault-tolerant distributed key-value database implementing the Raft consensus algorithm to improve my C++ skills and deepen my understanding of distributed systems architecture.

Features

• Distributed Consensus: Implements the Raft algorithm for leader election and log replication
• Fault Tolerance: Automatic failover and recovery when nodes go down
• Key-Value Operations: Support for PUT, GET, and DELETE operations
• Multi-Node Architecture: Distributed across multiple nodes with data consistency
• gRPC Communication: Inter-node communication and client interface using Protocol Buffers
• Persistent Logging: Durable transaction logs for data recovery

How to Run

Built With

• C++17
• CMake 3.16
• Protocol Buffers compiler (protoc)
• gRPC C++ libraries

Build and Run

1. Generate Protocol Buffer files

   mkdir generated
   protoc --cpp_out=generated --grpc_out=generated --plugin=protoc-gen-grpc=`which grpc_cpp_plugin` --proto_path=proto proto/*.proto

2. Build the project

   mkdir build && cd build
   cmake ..
   make

3. Run the database

   cd build
   ./raft_demo

main.cpp file showcases some of the distributed system features