Oleksandr’s recent stories

By Oleksandr BerchenkoJan 19, 2017

Data & AnalyticsSoftware Development

How to Load Data from a Hadoop Cluster into a MemSQL Database

In this post, system architect Oleksandr Berchenko describes two ways to load data from HDFS to a MemSQL database.

  7 min read

By Oleksandr BerchenkoOct 29, 2016

Data & AnalyticsSoftware Development

How to Process Slowly Changing Dimensions in Hive

How to handle Slowly Changing Dimensions (SCD) in a data warehouse with Hive database.

  5 min read

By Oleksandr BerchenkoAug 10, 2016

Data & AnalyticsSoftware Development

Cassandra + Spark SQL Performance (including DSE 5.0)

This post focuses on quick and dirty performance comparison of different Cassandra + Spark options.

  21 min read

By Oleksandr BerchenkoJul 22, 2016

Data & AnalyticsSoftware Development

Setup Cassandra + Spark + Tableau (including DSE 5.0)

Here's how to configure Cassandra + Spark + Tableau including DataStax Enterprise (DSE) 5.0

  22 min read