BigDataFr recommends: Big data, small cluster
Finding new ways to shrink disk space for storing partitionable data.

‘Engineers at Dell were developing customer apps when they found that the query response times their customers were demanding — something on the order of seconds (in other words, the need to scan millions of objects/second) — required a new type of query engine. This led them on a four-year journey to create Doradus, one of Dell Software Group’s first open-source projects.

Doradus is a server framework that runs on top of Cassandra. To build Doradus, the team borrowed from several well-accepted paradigms.'[…]

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By Marie Beaugureau
Source: radar.oreilly.com