Data Engineering Resources

Variables in DataWeave

It is possible to define variables in DataWeave header, DataWeave body, and flow variables before the DataWeave component in a Mule flow in DataWeave code.

December 26, 2016

by Swati Deshpande

· 42,208 Views · 5 Likes

Row Store vs. Column Store Databases

For data analysis, look to a column store. To record transactions, a row-based database is probably more helpful. Ideall, thought, you'd have both.

December 26, 2016

by Rick Gobla

· 64,111 Views · 4 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

· 12,113 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

· 62,645 Views · 2 Likes

Server Log Analysis: It's More Important Than Google Analytics

This article discusses the significance of analyzing the server logs. The author also demonstrates a server log dashboard created using the open source ELK Stack of Elasticsearch, Logstash, and Kibana.

December 23, 2016

by Samuel Scott

· 16,174 Views · 8 Likes

Getting Started With JSON-B and Yasson

JSON-B is one of the newest APIs for Java EE 8. It helps standardize how Java objects are serialized in JSON.

Updated December 22, 2016

by Ehsan Zaery Moghaddam

· 12,615 Views · 1 Like

We Don't Need StringBuilder for Simple Concatenation

Concatenating strings is useful, but expensive. Fortunately, you don't need to use StringBuilder anymore - the compiler can handle it for you.

December 22, 2016

by A N M Bazlur Rahman

CORE

· 197,169 Views · 44 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

· 22,015 Views · 2 Likes

With this approach, it becomes easy share data between applications at runtime without having a database or a file system shared between them.

December 22, 2016

by Anirban Sen Chowdhary

· 48,451 Views · 5 Likes

Top 5 Questions About Developing a nopCommerce-based Store Site

nopCommerce may be unfamiliar to you or may even just be a blocker for your current project. Check out some of the top questions about developing a nopCommerce-based store site and the answers to help get you through it!

December 22, 2016

by Lavish Kumar

· 7,645 Views · 3 Likes

Top 5 REST API Security Guidelines

Here is an annotated list of security guidelines for your REST APIs when you are developing and testing them, including proper authorization, input validation, and output encoding.

December 21, 2016

by Guy Levin

· 146,164 Views · 47 Likes

Byteman: Byte Code Manipulation Tool for Logging, Testing, and Fault Injection

Using the Byteman tool to log, test and fault inject your code at the ByteCode level in the JVM. With code examples for quick understanding.

December 21, 2016

by Siva Prasad Rao Janapati

· 8,866 Views · 7 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

· 22,841 Views · 8 Likes

A Look at ScheduledService [Code Snippets]

ScheduledService lets you execute the same task a regular intervals and can even restart itself in the event of a failure, making it a good tool to have in the box.

December 20, 2016

by Arun Pandey

CORE

· 40,113 Views · 8 Likes

Razor Engine for Parsing Razor Pages Stored as String

How the MVC Razor engine can be used to parse the razor view when the view is stored as text in a database or somewhere else outside an application.

December 19, 2016

by Anjani Singh

· 19,536 Views · 1 Like

Making Spring Boot Applications Run Serverless With AWS

Forget the cloud, it's time to go serverless. Using AWS Lambda and API Gateway can reduce costs and overhead, and it's easy to get your Spring Boot app running on it.

December 18, 2016

by $$anonymous$$

· 40,104 Views · 14 Likes

Making the Case For and Against Lift-and-Shift Cloud Migration

A common approach to cloud migration is to simply port material to the cloud, which is not always the best decision, considering the complexity of modern apps.

December 17, 2016

by Darren Perucci

· 11,154 Views · 3 Likes