Phi is a framework for build completely distributed and decentralized applications, such as a file-system, distributed lock, key-value store and object store. It is inspired from a combination of underlying mechanisms such as blockchain, content-addressable-storage, distributed-hash-tables to name a few.

The primary purpose of phi is to provide the following functionality:

• Distributed consistent Write-Ahead-Log with P2P consensus
• Distributed Hash Table
• Distributed Content-Addressable storage

• Completely distributed and decentralized architecture
• Distributed Write-Ahead-Log for consensus
• Distributed Hash Table
• Distributed Content-Addressable block based storage
• Automatic data de-duplication
• Automatic replication and healing

Phi's architecture combines several methodologies to provide a truly distributed and decentralized systems. Some of the design patterns used are:

• Content addressable storage
• Consistent hashing
• Multi-Version Concurrency Control
• Blockchain
• Gossip
• Distribute-Hash-Tables

The following ports are used depending on the port configuration:

• TCP/UDP: Membership changes and fault-tolerance
• TCP/UDP: Lookups and Data access
• GRPC: Write Ahead Log

Note: When using debug mode a significant performance degrade may be seen.

• When using phi in docker on a Mac with persistent storage, a massive performance hit is incurred due to the way docker volumes and persistence are managed by docker on a Mac. This is only pertinent for Macs