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Docker

Containerization is one of the hottest topics in the IT world. But how can you successfully run your open source databases inside a Docker container? In this Docker blog we provide step-by-step guides for deployment and tips for monitoring, managing and scaling your databases.

Validating Your PostgreSQL Backups on Docker

Aug 21, 2019

by Ashokraj M

In this blog, we will validate a PostgreSQL backup by restoring the backup onto a Docker container. For this post, we will use pgBackRest as the tool of choice to run the PostgreSQL backup which is maintained in a separate repository host.

ProxySQL Native Clustering with Kubernetes

Aug 02, 2019

by Ashraf Sharif

To efficiently manage multiple ProxySQL nodes, one has to make sure whatever changes performed on one of the nodes is applied across all the nodes. Without native clustering, one has to manually export the configurations and import them to the other nodes. This blog walks you through on how to run ProxySQL native clustering with headless service on Kubernetes.

Running Big Data Analytics Queries Using SQL and Presto

Jul 31, 2019

by Bart Oles

Presto is a parallel distributed SQL engine that allows you to run interactive big data analytics queries on a wide variety of data sources. In this blog, we are going to show you how you can install it and use it with your existing RDBMS systems.

How to Monitor PostgreSQL Running Inside a Docker Container: Part Two

Jul 22, 2019

by Thiago Lopes

This is part II of the blog How to Monitor PostgreSQL Running Inside a Docker Container.

How to Monitor PostgreSQL Running Inside a Docker Container: Part One

Jul 15, 2019

by Thiago Lopes

In this article we will be introduced to Docker, describing some ways of configuration and comparing them. Furthermore PostgreSQL comes to play, and we will deploy it inside a Docker container in a smart way, and finally we will see the benefits that ClusterControl can provide, to monitor key metrics about PostgreSQL and the OS outside of it.

MariaDB MaxScale Load Balancing on Docker: Management: Part Two

Jun 24, 2019

by Ashraf Sharif

In the previous blog, we looked at how to deploy MaxScale on Docker, and how to use Swarm service to run multiple replicas. This part focuses more on management operations with advanced use cases like service control, configuration management, query processing, security and cluster reconciliation.

MariaDB MaxScale Load Balancing on Docker: Deployment: Part One

Jun 21, 2019

by Ashraf Sharif

In this two-part blog series we are going to give a complete walkthrough on how to run the MariaDB MaxScale load balancer in a Docker environment. This first part covers the deployment using a standalone Docker container and MaxScale clustering via Docker Swarm for high availability.

Running a MariaDB Galera Cluster Without Container Orchestration Tools: Part One

Jun 07, 2018

by Ashraf Sharif

Container orchestration tools do not always play nicely with database clusters. In this blog post, we are going to look into how to run a MariaDB Galera Cluster on Docker containers using the standard Docker image on multiple Docker hosts without the help of orchestration tools like Swarm or Kubernetes.

Our Most Popular Database Blog Posts in 2017

Dec 28, 2017

by Forrest Lymburner

These are the most popular Severalnines Open Source Database blogs from 2017.

ClusterControl on Docker

Jun 20, 2017

by Ashraf Sharif

This blog describes how to utilize a Docker image file to install a containerized version of ClusterControl.

Composing the Stack - Simplify Docker Deployment of MySQL Containers

Feb 15, 2017

by Ashraf Sharif

Docker 1.13 introduces a long-awaited feature called Compose-file support. Compose-file defines everything about an application - services, databases, volumes, networks, and dependencies can all be defined in one place. In this blog, we’ll show you how to use Compose-file to simplify the Docker deployment of MySQL containers.

Multi-Host Networking for MySQL Containers with Calico: Part Two

Oct 04, 2016

by Ashraf Sharif

This blog post covers the basics of deploying MySQL containers with Project Calico, a simple, pure layer 3 networking approach with no overlays for networking "workloads" such as VMs and containers.

Single Host Networking for MySQL Containers on Docker

Jul 25, 2016

by Ashraf Sharif

This blog covers the basics of how Docker handles single-host networking, and how MySQL containers can leverage that.

MySQL on Docker: Building the Container Image

Jun 27, 2016

by Ashraf Sharif

In this post, we will show you two ways how to build a MySQL Docker image - changing a base image and committing, or using Dockerfile. We’ll show you how to extend the Docker team’s MySQL image, and add Percona XtraBackup to it.

MySQL Docker Containers: Understanding the Basics

Jun 13, 2016

by Ashraf Sharif

In this post, we will cover some basics around running MySQL in a Docker container. It walks you through how to properly fire up a MySQL container, change configuration parameters, how to connect to the container, and how the data is stored.

How to Deploy Galera Cluster for MySQL using Docker Containers

Feb 18, 2014

by Ashraf Sharif

Virtual Machines are great, and very useful when trying out new software. However, they might be an unnecessarily heavyweight solution when testing clusters, especially if these consist of multiple nodes running exactly the same software. Each VM runs a full-blown OS image. On the other hand, Linux Containers (LXC) are an efficient alternative to OS-level virtualization and can run multiple isolated systems on a single host. Docker is a wrapper around LXC, it automates the deployment of applications inside containers.