COLE: A Column-based Learned Storage for Blockchain Systems

Explore a groundbreaking conference talk on COLE, a novel column-based learned storage system designed to address the high storage costs in blockchain systems. Delve into the innovative approach that leverages learned index techniques and column-based database design to significantly reduce storage size and improve system throughput. Discover how COLE tackles the challenges of persisting index nodes and supporting provenance queries in blockchain environments. Learn about the write-optimized strategies developed for disk environments and examine the extensive experimental results that demonstrate COLE's impressive performance improvements over traditional Merkle Patricia Trie (MPT) storage methods.

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