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Saïd Mendi

Saïd Mendi

Working with multipass, a VM manager

By | Cloud, Development & Performance | No Comments

Introduction What if you need quickly to launch virtual machine instances running Ubuntu for development and testing purposes. Multipass from Canonical can be the right tool for this. You can even customize the instances during launch by using Cloud-init in order to simulate a small cloud deployment from your laptop or desktop. So, in this short blog post, I will talk about this tool and demonstrate how easy it is to use it.

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Saïd Mendi

Installing MariaDB Columnstore 1.5 on CentOS 8

By | Database Administration & Monitoring, Database management | No Comments

In my previous blog, I talked about how to install the latest MariaDB Community Server 10.5.5 on CentOS 8 but now I will talk about the latest version of MariaDB ColumnStore 1.5 which is not anymore a separate fork of MariaDB but rather a pluggable storage engine.  This allows to move easily data from InnoDB to ColumnStore and it is also the first version to be released as a plugin for the community Server.

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Saïd Mendi

How can Docker help a MariaDB cluster for Disaster/Recovery

By | Database Administration & Monitoring | No Comments

Mistakes or accidental data deletions can sometimes happen on a productive MariaDB Galera Cluster and this can be disastrous. There are so many cases I have heard by customers and hereafter are some of the most common: – dropping one column of a table – dropping one table – updating a big table without a where clause What if it was possible to restore online a subset of data without downtime?

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Saïd Mendi

PostgreSQL Meetup at CERN, Geneva, January 17, 2020

By | Database Administration & Monitoring, Postgres | No Comments

Registration Last Friday (17/01/20) I had the opportunity to go to Geneva at CERN to attend a PostgreSQL meetup. I’m really happy to write a blog about for a lot of reasons. First of all, it was about PostgreSQL (essential these days), also for the contributors as Oleg Bartunov and finally because of the organizers: Franck Pachot (old & soon new colleague by dbi-services) & Laeticia Avrot I met at the SOUG Day in Lausane.

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