In this tutorial, we will deploy a very small distributed application to a Kubernetes cluster and simulate a performance lag using a sleep function in our code. To find the root cause of this issue and to trace each event, we will use Jaeger. With distributed tracing enabled, we’ll see how easy it is to observe the behavior of Services and pinpoint issues.
Scaling web applications is the process by which a system administrator utilizes multiple servers to serve a single web application. Learn how to do it on your Ubuntu 12.10 cloud server.
In this guide, you will install and configure a Memcached server. You’ll also add authentication to secure Memcached using Simple Authentication and Security Layer (SASL). Finally, you’ll learn how to bind Memcached to a local or private network interface to ensure that it is only accessible on trusted networks, by authenticated users.
MySQL and MariaDB are popular database management systems that can be used in conjunction with an application or a website. While the querying syntax is easy to learn and very powerful, some operations take a long time. This article will discuss some steps you can take to optimize your queries and table structure.
ProxySQL is a SQL-aware proxy server that can be positioned between your application and your database to create a caching layer to optimize MySQL queries. In this tutorial, you will use ProxySQL to set up transparent caching for a MySQL server on Ubuntu 16.04. You will then test its performance using mysqlslap with and without caching to demonstrate the effect of caching and how much time it can save when executing many similar queries.
ngx_pagespeed, or just pagespeed, is an Nginx module designed to optimize your site automatically by reducing the size of its resources and hence the time the clients’ browsers need to load it.
ngx_pagespeed, or just pagespeed, is an Nginx module designed to optimize your site automatically by reducing the size of its resources and hence the time the clients’ browsers need to load it. This article will guide you through the installation and configuration of the pagespeed module for Nginx.
In this tutorial, we will see how a Ruby interpreter with different servers performs under load. The tutorial steps assume a fresh Ubuntu 13.10 x32 image. The results were obtained from a 512 MB droplet.
In this article, we will discuss how to add a swap file to an Arch Linux cloud server. Linux uses swap spaces to offload information from the machine’s RAM, allowing for the most important processes more resources to operate.
One of the easiest ways to make your server more responsive, and guard against out-of-memory errors in your application, is to add some swap space. This gives you the ability to increase the amount of information that your server can keep in its working memory. In this guide, we will cover how to create and enable a swap file on a CentOS 7 server.
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