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Another day in ProxySQL life: sharing is caring

This post is another part of our list of short posts pinpointing specific cases OVHcloud has dealt with, both preparing for and during the migration. Here, we tell a story of how sometimes, a little unexpected behaviour can lead to a bug fix in a software program used by millions of people around the world. …

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A day in the life of a ProxySQL at OVHcloud

As explained thoroughly in an earlier post, the P19 migration meant we needed to add a new element to our infrastructure… namely the ProxySQL. Life was not easy for it at first, but it soon learned how to handle the diverse range of configurations your websites have, particularly when it comes to making sure the path connecting …

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CVE-2017-9841: What is it, and how do we protect our customers?

CVE-2017-9841: What is it, and how do we protect our customers?

Recently, a previously-identified CVE (Common Vulnerabilities and Exposures) security breach, CVE-2017-9841, was thrust back into the spotlight, thanks to PrestaShop‘s security alert. Unfortunately, it’s already been exploited ‘in the wild’ for a while now. What are the risks ? The CVE-2017-9841 vulnerability lets a malicious user remotely run PHP code on fallible websites, by exploiting …

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migrate-datacentre --quiet: How do we seamlessly migrate a datacentre?

migrate-datacentre –quiet: How do we seamlessly migrate a datacentre?

In our previous articles, we explained why we had to move 800,000 databases from one datacentre to another, 300 kilometres away. So here we are… We did it!Now we will focus on a very important goal of any migration. From your point of view, as a customer, you must see… Nothing! I understand this completely, …

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How to win at the massive database migration game

In our previous articles, we explained why we had to move 800,000 databases from one datacentre to another, 300 kilometres away. So here we are… My team and I did it! It was a real brain-burner, so I hope our story will help you to address more of the huge technical projects we love to …

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Web hosting – How do our databases work?

In our series of articles about migrating web hosting infrastructure from Paris to Gravelines (the first of which is here), we neglected to mention the databases. This is however a very important part, with 800,000 databases to be migrated! In these new series of posts, we will tell you about our experience with web hosting …

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DepC by OVHcloud

Introducing DepC: the OVH platform for computing QoS

At OVH, our first mission as a cloud service provider is to provide products with high quality of service (QoS). Whether they are dedicated servers, cloud servers or hosted websites, our customers expect our solutions to be very high quality. And that’s exactly what our teams strive to offer you on a daily basis! It’s …

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Web hosting: How to migrate 3 Million web sites?

In previous articles, we saw what are the operational and techniques constraints of the migration project of our data center in Paris. If you have not followed everything on our technical constraints, I invite you to reread the article presenting the infrastructure of our web hosting. We built our migration scenarios by taking these constraints …

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Web hosting: migrating 3 million websites

Web hosting — why we decided to migrate three million websites

Have you migrated a website before? If you have, or will need to migrate websites regularly, you’ll be familiar with the difficulties associated with this kind of operation. To put in the most basic terms, this operation usually involves six steps: purchasing and configuring the destination infrastructure testing the new infrastructure by importing data and …

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