Severalnines Blog
The automation and management blog for open source databases

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3 blog posts in 12 categories

The Best ETL Tools for Migrating to PostgreSQL

This blog reviews what ETL is and what tools are available to help you migrate your data to a PostgreSQL database.

Big Data Integration & ETL - Moving Live Clickstream Data from MongoDB to Hadoop for Analytics

MongoDB is great at storing clickstream data, but using it to analyze millions of documents can be challenging. Hadoop provides a way of processing and analyzing data at large scale. Since it is a parallel system, workloads can be split on multiple nodes and computations on large datasets can be done in relatively short timeframes. MongoDB data can be moved into Hadoop using ETL tools like Talend or Pentaho Data Integration (Kettle).

Archival and Analytics - Importing MySQL data into Hadoop Cluster using Sqoop

We won’t bore you with buzzwords like volume, velocity and variety. This post is for MySQL users who want to get their hands dirty with Hadoop, so roll up your sleeves and prepare for work. Why would you ever want to move MySQL data into Hadoop? One good reason is archival and analytics. You might not want to delete old data, but rather move it into Hadoop and make it available for further analysis at a later stage.