Browsing All Posts filed under »Case Studies«

Speeding Up Hadoop Builds Using Distributed Unit Tests

August 14, 2012


We recently worked with one of the Hadoop vendors on the continuous integration system for Hadoop core and other Hadoop-related projects like Pig, Hive, HBase. One of the challenges we faced was very slow automatic tests — full unit/integration test suite takes more than 2 hours for Hadoop core and more than 9 hours for […]

Hierarchical Navigation and Faceted Search on Top of Oracle Coherence

April 2, 2012


Some time ago I participated in design of a backend for one large online retailer company. From the business logic point of view, this was a pretty typical eCommerce service for hierarchical and faceted navigation, although not without┬ápeculiarities, but high performance requirements led us to the quite advanced architecture and technical design. In particular, we […]


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