In this tutorial, you will learn how to build a high availability Apache active-passive cluster. The web cluster will get addressed by its virtual IP address and will automatically fail over if a node fails.
In this guide, you’ll create a distributed and fault-tolerant database by deploying CockroachDB across multiple servers, a *distributed multi-node cluster*. You’ll begin by installing CockroachDB on multiple servers, start them as nodes, and then have them work together as a cluster.
Clustering adds high availability to your database at the hardware level by distributing changes to different servers. In the event that one of the instances fails, others are quickly available to continue serving…
This guide steps you through the new and improved Deis provisioning process using the Deis project’s new tool called Rigger.
L’auteur a décidé que le Free and Open Source Fund recevrait une donation dans le cadre du programme Write for Donations. Créer des clusters ajoute une haute disponibilité à votre base de…
One of the core technologies that many Docker environments rely on is service discovery. Service discovery allows an application or component to discover information about their environment and neighbors. In this guide, we will discuss the benefits of service discovery within a clustered Docker environment. We will focus mainly on general concepts, but provide more specific examples where appropriate.
This tutorial will teach you how to configure a Multi-Node cluster with Cassandra on a VPS. Cassandra, a highly scalable open source database system that achieves great performance when setup with multiple-nodes – even on different data centers.
In this guide, you will configure an active-active MariaDB Galera cluster. For demonstration purposes, you will configure and test three Debian 9 Droplets that will act as nodes in the cluster. MariaDB is an open source relational database system that is fully compatible with the popular MySQL RDBMS system. Galera is a database clustering solution that enables you to set up multi-master clusters using synchronous replication.
In this tutorial, you’ll learn how to install Hadoop in stand-alone mode on an Ubuntu 20.04 server. You’ll also run an example MapReduce program to search for occurrences of a regular expression in text files.
Apache Hadoop is one of the earliest and most influential open-source tools for storing and processing the massive amount of readily-available digital data that has accumulated with the rise of the World Wide Web. It evolved from a project called Nutch, which attempted to find a…
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