Kubernetes is a container management system meant to be deployed on Docker-capable clustered environments. In this guide, we will discuss some of the basic concepts that Kubernetes introduces. We will discuss some o...

Sharded databases have been receiving lots of attention in recent years, but many don't have a clear understanding of what they are or the scenarios in which it might make sense to shard a database. This conceptual ar...

When deciding which server architecture to use for your environment, there are many factors to consider, such as performance, scalability, availability, reliability, cost, and ease of management. Here is a list of com...

Nginx is a high performance reverse proxy server and web server. In this guide, we will explore Nginx's http proxying and load balancing capabilities. We will cover how Nginx can use buffers and caching to improve t...

An introduction to basic load balancing concepts and terminology, using HAProxy, with some examples.

This second installment of "Scaling Web Applications" will list out the steps necessary for scaling a mysql deployment over two VPS.

In this tutorial, we will go over how to use Apache JMeter to perform basic load and stress testing on your web application environment. We will show you how to use the graphical user interface to build a test plan an...

This article runs through how to use HAProxy to setup HTTP load balancing on an Ubuntu VPS.

Puppet, from Puppet Labs, is a configuration management tool helps system administrators automate the provisioning, configuration, and management of a server infrastructure. Planning ahead and using config management ...

HAProxy, which stands for High Availability Proxy, is a popular open source software TCP/HTTP Load Balancer and proxying solution. In this tutorial, we will go over how to use HAProxy for SSL termination, for traffic ...

Streaming replication is a popular method you can use to horizontally scale your relational databases. In this tutorial, you will set up physical streaming replication with PostgreSQL 12 on Ubuntu 20.04 using two sepa...

Immutable infrastructure is an infrastructure paradigm in which servers are never modified after they're deployed. This article explains the conceptual and practical differences between mutable and immutable infrastru...

Big data is a blanket term for the non-traditional strategies and technologies needed to gather, organize, process, and gather insights from large data sets. While the problem of working with data that exceeds the com...

Rsyslog, Elasticsearch, and Logstash provide the tools to transmit, transform, and store your log data. In this tutorial, you will learn how to create a centralized rsyslog server to store log files from multiple syst...

Nginx has become one of the most flexible and powerful web server solutions available. However, in terms of design, it is first and foremost a proxy server. This focus means that Nginx is very performant when working ...

HAProxy is an open source software which can load balance HTTP and TCP servers. In the previous article on HAProxy we configured load balancing for HTTP and in this one we'll do the same for MySQL. All your MySQL serv...

Managed databases were developed to reduce the pain points commonly associated with database administration. This conceptual article outlines what managed databases are, how they can be beneficial to development teams...

In this tutorial, we will teach you how to set up and use the Apache JMeter HTTP(S) Test Script Recorder to record HTTP requests. Recording HTTP requests is a great way to building test plans, and can be useful in cre...

MySQL replication reliably mirrors the data and operations from one database to another. Conventional replication involves a primary server configured to accept database write operations. Secondary servers copy and ap...