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All Data Marketplace Flexter FlowHigh JSON Snowflake XML
Apache,

Big Data News: HUG Ireland’s 1st 2016 Big Data Event, Airbnb’s Predictive Model using NPS and Hive Optimization

Hadoop User Group (HUG) Ireland packed the house with a great evening on Apache Mesos/Myriad and an overview of Airbnb’s Predictive Model After a restful holiday season, the new year…
Uli Bethke January 15, 2016
Apache,

Big Data News: Yahoo’s Data Sketching and Apache Spark 1.6

Launching 2016 in style with an exploration of Yahoo’s successful scaling of aggregate computational queries using data sketching libraries to Apache Spark releasing Spark 1.6 Firstly, the team at Sonra…
Uli Bethke January 8, 2016
Big Data,

In-memory analytics with Tableau, SparkSQL, and MapR

Last week Tableau released version 9.0 of their data visualisation tool. From a Big Data point of view the nicest new feature was support for querying cached (in-memory) SchemaRDDs (Data…
Uli Bethke April 16, 2015
Hadoop,

Using parameters and variables in Hive CLI

In this blog post we look at how we can address a shortcoming in the Hive ALTER TABLE statement using parameters and variables in the Hive CLI (Hive 0.13 was…
Maciek Kocon February 19, 2015