Inside Data@Scale 2015

This post summarizes presentations from the Data@Scale 2015 event, detailing technical advancements in distributed data storage and processing. Key contributions include: Eric Hwang's talk on Presto, an open-source distributed SQL query engine for ad-hoc analysis; Sundaram Narayanan's presentation on LogLens, Twitter's real-time log indexing and search service; Samir Goel's discussion of Firefly, Dropbox's index and search system for managing billions of daily file changes; Dharma Shukla's overview of Azure DocumentDB, a cloud-based NoSQL database; Muthu Annamalai's explanation of ZippyDB, Facebook's key/value memory cache service; Kestutis Patiejunas's talk on Facebook's multi-exabyte cold storage systems (HDD and Blu-ray based); and Brian Beach's presentation on Backblaze Vaults, a distributed storage system.