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Using Apache Spark in Data Preparation

Recently, Discovery Spark Engine has been introduced in Metatron Discovery. It is an external ETL engine based on Spark SQL. The embedded engine suffers huge garbage collection pressure if the record count reaches more than 1M. In this case, Discovery Spark Engine is the best solution. To avoid complex dependency problems, Discovery Spark Engine is…
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Metatron at AWS re:invent 2019

AWS re:Invent 2019 kicks off in Las Vegas next week! Every year, AWS re:Invent introduces AWS emerging technologies, including databases, analytics and big data, security and compliance, enterprise, machine learning. Meet with our experts at the SK telecom booth at 2002 to learn more about Metatron! SK telecom Metatron Booth #2002 Date: December 02-06, 2019 Location:…
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How to Use Hive UDFs with Druid

Metatron distributed Druid supports SQL like Apache Druid. It also provides more usability by supporting the Hive’s UDF and UDAF. In this article, we will see how to register and use UDFs written in Hive with the Metatron distributed Druid. Note: You must download the latest hotfix Metatron distributed Druid for using the UDF plugin.…
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