Data Resources

Watching/Alerting on Real-Time Data in Elasticsearch Using Kibana and SentiNL

We discuss how to watch real-time app events that are persisted in the Elasticsearch index and raise alerts if the condition for the watcher is breached.

Updated October 11, 2018

by Gaurav Rai Mazra

· 55,745 Views · 2 Likes

How to Use Graylog for Software Monitoring

See how open-source tool Graylog works with Grafana for monitoring and log data visualization.

October 11, 2018

by Daryna Tkachenko

· 42,934 Views · 6 Likes

How to Work With Avro Files

In this post, a big data architect goes over how to transfer large data sets between two databases using Apache Sqoop. Read on to get the scoop on Sqoop!

October 11, 2018

by Dmytro Manannykov

· 139,073 Views · 13 Likes

Performance Caching in a Snowflake Data Warehouse

See how a data warehouse built for the cloud maximizes query performance.

Updated October 10, 2018

by John Ryan

· 9,385 Views · 2 Likes

Kotlin Microservices With Ktor

With Kotlin and microservices being all the rage, it's only natural there should be a Kotlin-based framework to build microservices.

Updated October 10, 2018

by Piotr Mińkowski

· 29,708 Views · 5 Likes

''Hey, Amazon! Where Is My Crop?'' How to Resize in The Cloud

If you are familiar with the Nginx extention to crop your images, take a look at how you can get the same result using Amazon AWS.

Updated October 10, 2018

by Yuliya Deretskaya

· 10,248 Views · 8 Likes

Real-Time Data Replication Between Ignite Clusters Through Kafka

In this article, we are going to look at how to set up and configure the Ignite Source connector to perform data replication between Ignite clusters.

October 9, 2018

by Shamim Bhuiyan

· 12,073 Views · 4 Likes

Properties File Lookup Augmentation of Data Flow in Apache NiFi 1.7.x

In this article, a big data expert goes over reading from properties files to use with Apache NiFi flows. Read on to get started!

October 9, 2018

by Tim Spann

CORE

· 6,781 Views · 2 Likes

Why Use K-Means for Time Series Data? (Part One)

In this post, we take a look at the concept of K-Means clustering and how it can be used to work with time series data. Read on to get started!

October 9, 2018

by Anais Dotis-Georgiou

· 15,585 Views · 8 Likes

Java HashMap Implementation in a Nutshell

Want to learn more about custom HashMap implementation in Java? Check out this tutorial on how we can implement this data structure using arrays.

October 8, 2018

by Yogen Rai

· 203,619 Views · 11 Likes

Service Stubbing With JMeter and Docker

Learn how to reliably perform service stubbing in performance tests in JMeter with Docker.

October 8, 2018

by Vincenzo Marrazzo

· 8,160 Views · 2 Likes

10 Algorithms and Programming Courses to Crack Coding Interviews

Many junior developers dream of making it at one of the larger tech companies. Take a look at this list for some resources to prepare for your interview.

October 6, 2018

by Javin Paul

· 49,828 Views · 26 Likes

How to Use Grafana for Technical Monitoring in Software Products

Learn the basics of Grafana for visualizing metrics and other data on app performance.

October 6, 2018

by Daryna Tkachenko

· 59,495 Views · 4 Likes

A Brief History of Edge

Come with me, and we'll be, in a world of computing innovations. Take a stroll through the history of cloud computing, leading up to edge computing.

Updated October 5, 2018

by Bruce Kornfeld

· 10,425 Views · 3 Likes

This Week in Spring: SpringOne Platform Wrap-Up and Spring Data Releases

Even though SpringOne Platform 2018 is done, the world of Spring never sleeps! Spend a few minutes to catch up on the goings-on in Spring over the past week.

Updated October 5, 2018

by Josh Long

· 7,533 Views · 1 Like

Waste 101: Pure vs. Necessary

In Lean development, part of the confusion about waste stems from a misconception that all waste has to be removed. Learn differently here.

October 4, 2018

by Alex Novkov

· 5,985 Views · 2 Likes

Mobile App Security: Best Practices for App Developers

Looking to learn some of the best practices for securing your mobile apps? Check out this post to learn more about the top mobile app security practices.

October 4, 2018

by Manjunath M

· 9,989 Views · 2 Likes

Learn Swift With This Hands-On Tutorial

If you want to get into mobile development, Swift is one of the big languages to learn. Read on to get started with this cool language!

October 3, 2018

by Sahiti Kappagantula

· 9,546 Views · 1 Like

What's Wrong With Java Boxed Numbers?

What's wrong with boxed numbers in Java? Check out this post to learn more about boxed numbers and how they can waste memory and create GC pressure for your applications.

Updated October 3, 2018

by Misha Dmitriev

· 20,793 Views · 10 Likes

The Benefits of Building a Modern Data Architecture for Big Data Analytics

In this article, we discuss some ways that organizations can better architect their data and the benefits this brings to their data analysis efforts.

October 3, 2018

by Mark Gibbs

· 9,996 Views · 5 Likes

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