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How Consumer-driven Technologies are Disrupting the State of Retail Image
  • Ana Cretu
  • Business Developer
  • 17 Jul 2020

How Consumer-driven Technolog...

Consumer-driven technologies are disrupting the state of Retail, as Brick-and-Mortar and E-commerce businesses alike need a fast journey to persona...

Spark Secondary Sort Image
  • Sebastian Brestin
  • Software Engineer
  • 16 Apr 2019

Spark Secondary Sort

The purpose of the article is to present two secondary sort implementations using pySpark. The first implementation uses groupByKey while the secon...

PostgreSQL B-Tree Index Explained - PART 1 Image
  • Sebastian Brestin
  • Software Engineer
  • 05 Jan 2019

PostgreSQL B-Tree Index Expla...

One can imagine searching a certain explanation in a textbook. One way for this is to read the entire book again. Of course this works, but it will...

Postgres data partitioning and Django Image
  • Sebastian Brestin
  • Software Engineer
  • 02 Feb 2018

Postgres data partitioning an...

Nowadays, Big Data is not only a trend, but also a new paradigm leading to radical changes in the software development methodologies. Because CPU c...