atlanticsciencechannel

Are Humans Creating More Species Than We’re Killing?

The tunnels of the London Underground are hot, dark, and damp. Crowds of warm-blooded humans congregate on the platforms. Stagnant pools of water collect beneath the tracks. The subterranean transit system is, in other words, a lovely home for a mosquito (or many thousands). At some point during the last 150 years or so, a small population of mosquitoes came to the same conclusion, settling into the interconnected tunnels of the...

developer.ibm.com developer.ibm.com

Ranger: Things to consider for a Hive + HDFS Usecase

Abstract Ranger is the new tool in the Hadoop arsenal for managing security for many services through one UI. This article explores the things to consider for a Hive + HDFS usecase in the context of Ranger. Hive + HDFS Usecase There is a wide range of data access patterns when it comes to Hadoop systems. Some systems are setup to allow access to HDFS data only via SQL engines like Hive, and other services access the data via Hive. Some...