Thursday Jun 21, 2012

Oracle NoSQL Database Using FusionIO ioDrive2

We ran some benchmarks using FusionIO ioDrive2 SSD drives and Oracle NoSQL Database. FusionIO has published a whitepaper with the results of the benchmarks.

"Results of testing showed that using an ioDrive2 for data delivered nearly 30 times more operations per second than a 300GB 10k SAS disk on a 90 percent read and 10 percent write workload and nearly eight times more operations per second on a 50 percent read and 50 percent write workload. Equally impressive, an ioDrive2 reduced latency over 700 percent (seven times) on inserts in a 90 percent read and 10 percent write workload and over 5800 percent (58 times) on reads in a 50 percent read and 50 percent write workload."

Tuesday Jun 12, 2012

Eventual Consistency Explained

Here's a short paper called De-mystifying "Eventual-Consistency" In Distributed Systems by Ashok Joshi.

Recently, there’s been a lot of talk about the notion of eventual consistency, mostly in the context of NoSQL databases and “Big Data”. This short article explains the notion of consistency, and also how it is relevant for building NoSQL applications.

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Anything related to Oracle NoSQL Database and/or Berkeley DB Java Edition.

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