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DevOps

The latest News and Information on DevOps, CI/CD, Automation and related technologies.

When to Scale Up in RDS: 7 Critical Metrics

RDS is Amazon's managed relational database service. While RDS manages your databases maintenance, uptime and upgrade it is your responsibility to determine the cluster's scale and capacity. So the big question is when do you need to scale up? To answer this question you should understand and monitor seven metrics for each server in your cluster. They are: Database connections, Freeable memory, CPU credit balance, Free local storage, Replica lag, Commit latency, Select latency

A Complete Introduction to Apache Kafka

Kafka is an open source real-time streaming messaging system and protocol built around the publish-subscribe system. In this system, producers publish data to feeds for which consumers are subscribed to. With Kafka, clients within a system can exchange information with higher performance and lower risk of serious failure. Instead of establishing direct connections between subsystems, clients communicate via a server which brokers the information between producers and consumers.

Create Kafka Topics in 3 Easy Steps

Creating a topic in production is an operative task that requires awareness and preparation. In this tutorial, we’ll explain all the parameters to consider when creating a new topic in production. Setting the partition count and replication factor is required when creating a new Topic and the following choices affect the performance and reliability of your system.

RVM: How to Get Started and Manage Your Ruby Installations

It’s the night before a big deadline, and just before you press the button to deploy, you notice a small but important bug! You open a terminal, type in the command to run the code—and all you see is a page of errors. It’s these palm-sweating moments that make us wonder whether we made the correct career decision. Configuring our systems and keeping them working is a struggle most of us deal with regularly. Ruby Version Manager (RVM) attempts to solve this problem.

New Automation Portal Released!

We’re very happy to announce that our self-service automation portal for use with Microsoft Azure and Microsoft System Center Orchestrator has now been updated to Version 3! This release brings with it a number of upgrades and general improvements, plus the ability to create your own colour themes, so that you can truly make the portal your own and seamlessly integrate it into your organisation.