Handling the Extremes: Scaling and Streaming in Finance

Editor’s Note: At Strata+Hadoop World 2016 in New York, MapR Director of Enterprise Strategy & Architecture Jim Scott gave a presentation…

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How to Secure Elasticsearch and Kibana

Introduction Elasticsearch (ES) is a search engine based on Lucene. It provides a distributed, multitenant-capable, full-text search engine with an HTTP web interface and schema-free JSON documents. Kibana is an…

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The Rationale for Securing Big Data

This blog post is the first in a series based on the ebook The Six Elements of Securing Big Data…

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Apache Spark Packages, from XML to JSON

The Apache Spark community has put a lot of effort into extending Spark. Recently, we wanted to transform an XML…

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Real-Time Event Streaming: What Are Your Options?

With the Internet of Things expected to bring at least 21 billion devices online by 2020 (according to Gartner), a lot…

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Counting in Streams: A Hierarchy of Needs

This post is based on the talk I gave at the Strata/Hadoop World conference in San Jose on March 31,…

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Can Event Streaming Make My Business More Productive?

Editor’s Note: Download the free O’Reilly ebook, “Streaming Architecture: New Designs Using Apache Kafka and MapR Streams” to learn how event streaming can…

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Key Steps for Removing the Hive Metastore Password from the Hive Configuration

In a typical Hive installation with metadata in a MySQL configuration, a password is configured in a configuration file in…

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Spark Data Source API: Extending Our Spark SQL Query Engine

In my last post, Apache Spark as a Distributed SQL Engine, we explained how we could use SQL to query…

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