New open source key-value store: sparkey

This post introduces Sparkey, a new open-source key-value store developed by Spotify. It details the historical context leading to its creation, comparing it to CDB and Tokyo Cabinet. The post explains Sparkey's architecture, which involves a log file and an on-disk hash table, and discusses its performance characteristics, including insertion and lookup throughput. It also provides links to the GitHub repository for further details on the file format and performance benchmarks.