Inside the Pinecone

What this post added

This post details the development of Pinecone's in-house, dynamic, and filterable graph index, contrasting it with HNSW and other existing solutions. It also describes the migration from RocksDB to a new bitcask-like storage engine ('memkey') optimized for vector storage, leading to significant performance and cost improvements. Furthermore, the post discusses the company's decision to rewrite its core codebase in Rust and Go, highlighting the unexpected benefits in development velocity and operational stability.