Big Data Resources

If you want to jam on a piano but don't have a keyboard, don't worry, you can make one yourself. This guide uses a NodeMcu and Ubidots to bring a piano to life.

January 9, 2017

by Maria Hernandez

· 8,024 Views · 2 Likes

Kafka Avro Scala Example

Learn how to write and read messages in Avro format to/from Kafka. Read on to understand how to produce messages encoded with Avro, how to send them into Kafka, and how to consume with consumer and finally how to decode them.

January 6, 2017

by Sushil Kumar Singh

· 424,437 Views · 11 Likes

Using Kafka With JUnit

The Spring Kafka project provides a way to use Kafka in tests by providing an embedded version of Kafka that is easily set up and torn down.

January 2, 2017

by Biju Kunjummen

· 52,146 Views · 3 Likes

13 Software Failures of 2016 That Testing Could Have Prevented

As businesses continue to migrate to digital platforms, it becomes absolutely critical to conduct rigorous software testing before the launching of a product.

January 2, 2017

by Hiren Tanna

· 28,129 Views · 2 Likes

Triggering Lambda Functions With an AWS IoT Button

It turns out that it's easy to merge serverless architecture with your IoT projects by having AWS IoT Button trigger an AWS Lambda function.

December 31, 2016

by Arun Gupta

· 14,174 Views · 4 Likes

ETL vs Pure SQL

Which one will come out on top? You should definitely check out the results so you can decide which one to use for your next project.

December 30, 2016

by Mateusz Komendołowicz

· 7,249 Views · 5 Likes

Using Apache POI to Convert Excel to an Elasticsearch Compatible JSON

Let's see what happens when you upload data into an Elasticsearch index and learn why Logstash was not the answer.

December 29, 2016

by Bipin Patwardhan

· 8,530 Views · 1 Like

Bulk Indexing With ElasticSearch

If your case requires a lot of document indexing, then extensive care should be taken to speed up the process. bulkIndex can help.

December 28, 2016

by Cagatay Gokcel

· 31,467 Views · 9 Likes

Monitoring OpenStack With the ELK Stack

Elasticsearch, Logstash, and Kibana (ELK) form an open source stack that has become a a leading log analysis platform to monitor, in this case, OpenStack.

December 25, 2016

by Asaf Yigal

· 12,117 Views · 6 Likes

Configuring Memory for MapReduce Running on YARN

There are times when a MapReduce job exceeds its memory limits. This article presents an overview of how YARN monitors the memory for containers and provides the technique to fix this issue.

December 23, 2016

by Alex Holmes

· 62,650 Views · 2 Likes

The New and Improved Visual Studio 2017 RC: A Review

Still apprehensive about the new Visual Studio? Learn more about the 2017 Release Candidate before you download.

December 22, 2016

by Ollie Bannister

· 22,023 Views · 2 Likes

Apache NiFi 1.x Cheatsheet

This quick and easy guide will show you how to make Apache NiFi work for you, including processors, connections, and APIs.

December 20, 2016

by Tim Spann

CORE

· 22,847 Views · 8 Likes

Making Elasticsearch in Docker Swarm Truly Elastic

Running a truly elastic Elasticsearch cluster on Docker Swarm is hard. Here's how to get past Elasticsearch and Docker's pitfalls with IP addresses, networking, and more.

December 13, 2016

by Stefan Thies

· 13,742 Views · 14 Likes

6 Frequently Asked Hadoop Interview Questions and Answers

Prepping for your upcoming interview? Unsure about what Hadoop knowledge to take with you? Here are 6 frequently asked Hadoop interview questions and the answers you should be giving.

December 11, 2016

by Arul Kumaran

· 34,361 Views · 15 Likes

The Future of Continuous Testing

The smaller the device, the more complex the device build. This yields more value in testing concepts and procedures.

December 9, 2016

by Francis Adanza

· 8,418 Views · 1 Like

Top 5 Factors That Impact Your Software Performance

Knowing where your software is failing is essential to identifying the bottleneck. These five performance-impacting factors give you a good place to start.

December 7, 2016

by Thamwika Bergstrom

· 6,949 Views · 3 Likes

Anomaly Detection Using H2O Deep Learning

In this article, we jump straight into creating an anomaly detection model using Deep Learning and anomaly package from H2O.

December 6, 2016

by Sibanjan Das

· 25,775 Views · 7 Likes

Benchmarking NATS Streaming and Apache Kafka

In this article, Tyler Treat looks at NATS Streaming and Apache Kafka, compares features of both, and quantifies their performance characteristics through benchmarking.

December 5, 2016

by Tyler Treat

· 63,501 Views · 10 Likes