Big Data News: Apps Development with “JSON” and an Open Source “Spark” Library for Geospatial Analysis
Uli Bethke
Faster Big Data Apps Developments with Open Source JSON UI called “OJAI” and how the Spark Library “Magellan” will come to the rescue in Geo Spatial Analysis As the week moves closer to an end, the team at Sonra have been impressed with the developments reviewed, which positively reflects the direction our community is headed ...
Read MoreSelf-Service Analytics in the Data Lake
fsd_admin
Deriving Value from your data… We all know that decision makers and analysts need quick access to all of the structured and unstructured data in an enterprise. Typically this data is locked away in various source systems and can’t be queried from a single central location The data warehouse set out to fix this problem ...
Read MoreWindow Functions (aka Analytic Functions) in Spark.
As of Spark 1.4.0 we now have support for window functions (aka analytic functions) in SparkSQL. At Sonra we are heavy users of SparkSQL to handle data transformations for structured data. We also use it in combination with cached RDDs and Tableau for business intelligence and visual analytics. [big_data_promotion] Spark SQL and Window Functions: The ...
Read MoreData Warehousing in the Age of Big Data. RDBMS Scalability, Exploding Data Volumes and License Costs.
Note: There is an updated version of this post. You can download it for free. DOWNLOAD UPDATED VERSION In the first part of this series of blog posts on data warehousing in the era of big data we looked at limitations of relational databases for data warehousing. In this post I will elaborate further on the impact ...
Read More