Data Engineering Resources

In this blog post, a performance testing expert will cover the different ways one can parameterize Groovy tests in Spock.

Updated December 25, 2017

by Grigor Avagyan

· 8,857 Views · 2 Likes

Optimizing AWS EBS Using LVM

Linux's Logical Volume Manager is an older tool, but it can still be useful today. See how you can use it to help right-size your EBS usage and save money.

December 24, 2017

by Jack Huang

· 13,007 Views · 6 Likes

Query Store Wait Statistics With sys.query_store_wait_stats

I absolutely love Query Store. But it's easy to get your data all jumbled up when sys.query_store_wait_stats comes into the mix.

December 24, 2017

by Grant Fritchey

· 6,424 Views · 2 Likes

Understanding Server-Sent Events (SSE) as Part of the API Landscape

Server-sent events can be a positive boon for any web application. In this post, we take a look at how SSEs fit into the world of APIs.

December 23, 2017

by Kin Lane

· 14,305 Views · 3 Likes

Installing the ELK Stack on AWS: A Step-by-Step Guide

Want to bring in the ELK stack for your AWS logging and monitoring needs? This guide will get you set up with the open source solution.

December 22, 2017

by Asaf Yigal

· 44,233 Views · 8 Likes

Custom Error Handling Framework for an Enterprise Using MuleSoft

Learn how to make that Mule gallop like a horse by creating your own custom exception handling framework for your MuleSoft app.

December 22, 2017

by Rakesh Kumar Jha

· 13,418 Views · 4 Likes

Too Many PreparedStatement Placeholders in Oracle JDBC

In this post, we discuss a particular error related to JDBC making calls out to an Oracle database. Read on for the details.

December 22, 2017

by Dustin Marx

· 19,048 Views · 2 Likes

4 Ways to Choose Which Browsers and Devices to Test

You can't test EVERY device/browser, but you can make some educated choices. Read on to figure out the devices and browsers you target for testing your web apps.

December 22, 2017

by Alex McPeak

· 12,480 Views · 1 Like

A Guide for Customer Retention Analysis With SQL

See how to make basic customer retention analysis, build customer retention over time, deal with new vs. existing customers retention curves, and calculate retention analysis in cohorts.

December 22, 2017

by Luba Belokon

· 28,124 Views · 4 Likes

Ring Buffer: A Data Structure Behind Disruptor

In this article, we look at Disruptor, a library for passing messages between threads, and look at how it's data structure enables high performance.

December 21, 2017

by Grzegorz Mirek

· 25,120 Views · 6 Likes

The Evolution of EC2 Network Performance: m3, m4, and m5

So, are AWS EC2's fancy new m5 instances worth it? In a word: yes. See the performance impact and cost savings you can expect.

December 21, 2017

by Andreas Wittig

· 12,505 Views · 4 Likes

Data Visualizations With InfluxDB and Plotly.js

Walk through creating data visualizations with InfluxDB and plotly.js, a JavaScript graphing library built on top of d3.js and stack.gl.

December 20, 2017

by Margo Schaedel

· 14,434 Views · 3 Likes

Implicit vs. Explicit Cursor: Which Should You Use?

"Hmmm," you might be saying to yourself, "a conversation about SQL queries in a post on conditional logic? That's strange." Ah, but maybe not so strange.

December 20, 2017

by Steven Feuerstein

· 8,724 Views · 2 Likes