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Putting some structure in the storage engine

By Sylvain Lebresne - December 9, 2015 | 1 Comment

One of the change made in Apache Cassandra 3.0 is a relatively important refactor of the storage engine. I say refactor because the basics have not changed: data is still inserted in a memtable which get flushed over time to a sstable with compaction baby-sitting the set of sstables on disk, and reads uses both memtable and sstables to retrieve results.

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Oracle and the NoSQL Effect

By Robin Schumacher - June 19, 2015 | 0 Comments

Oracle’s recent fiscal Q4 miss, which boiled down to an eight percent license revenue shortfall was, “the largest we’ve seen in memory and is surprising,” said Citigroup’s Walter Pritchard.

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