Uncategorized – Page 12

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

Arnaud Fouillen / 19/02/2020 / Security, Web Hosting / Uncategorized

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 […]

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

Contributing to Apache HBase: custom data balancing

Pierre Zemb / 14/02/2020 / Big Data, Databases, Metrics, Observability, Open Source / Uncategorized

In today’s blogpost, we’re going to take a look at our upstream contribution to Apache HBase’s stochastic load balancer, based on our experience of running HBase clusters to support OVHcloud’s monitoring. The context Have you ever wondered how: we generate the graphs for your OVHcloud server or web hosting package? our internal teams monitor their

Contributing to Apache HBase: custom data balancing Read More »

If I were an American…

Octave Klaba / 12/02/2020 / OVHcloud, OVHcloud Thinking / Uncategorized

“You don’t have a chance.” “You’re already dead.” “You’ll get eaten alive.” For the last 21 years, I’ve heard people say these things several times a week. They’re often said by people who don’t really understand what OVHcloud does. Never by people in the field. I don’t blame them. They’re clearly thinking “It can’t be

If I were an American… Read More »

Create and use OpenStack snapshots

Pierre Gaxatte / 07/02/2020 / OpenStack, Public Cloud / Uncategorized

What is a snapshot in OpenStack/OVHcloud Public Cloud? A snapshot is a mechanism that allows you to create a new image from a running instance. This mainly serves two purposes: As a backup mechanism: save the main disk of your instance to an image and later boot a new instance from this image with the

Create and use OpenStack snapshots Read More »

The birth of agile telemetry at OVHcloud – Part I

Jeremy Hennart / 04/02/2020 / Agile Telemetry, Agility, Methodology / Uncategorized

In October 2018, just before the OVHcloud Summit, I joined the Product Unit Platform as Program Manager. A new challenge came with this new role… to support the team working on a new product: OVHcloud Managed Kubernetes. The deadline was short, we had lots of things to do, and we needed to provide visibility to both

The birth of agile telemetry at OVHcloud – Part I Read More »

TSL (or how to query time series databases)

Aurélien Hébert / 31/01/2020 / Language, Metrics, Observability, Time series, TSL / Uncategorized

Last year, we released TSL as an open source tool to query a Warp 10 platform, and by extension, the OVHcloud Metrics Data Platform. But how has it evolved since then? Is TSL ready to query other time series databases? What about TSL states on the Warp10 eco-system? TSL to query many time series databases

TSL (or how to query time series databases) Read More »

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

Fabien Bagard / 28/01/2020 / Databases, Infrastructure, Migration, Web Hosting / Uncategorized

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,

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

Using FPGA in an agile development workflow

Using FPGAs in an agile development workflow

Tristan Groléat / 21/01/2020 / Agility, FPGA / Uncategorized

OVHcloud recently got a new name to emphasize its focus: the cloud, to empower you to run your workloads easily, without caring too much about the underlying hardware. So why talk about FPGAs? An FPGA is a hardware accelerator, a reconfigurable chip that can behave as custom silicon, designed for a specific application. We use

Using FPGAs in an agile development workflow Read More »

OVHcloud Healthcare, aux petits soins pour vos SI de santé

Emmanuel Meyrieux / 17/01/2020 / HDS, Healthcare / Uncategorized

Depuis octobre 2016, OVH propose de l’hébergement de données de santé à caractère personnel (HDS). Aujourd’hui, beaucoup de choses ont évolué : OVH est devenu OVHcloud, notre hébergement de données de santé est passé d’un agrément à une certification et plusieurs centaines de clients utilisent les solutions OVHcloud Healthcare. Forts de cette expérience, nous pouvons à présent

OVHcloud Healthcare, aux petits soins pour vos SI de santé Read More »

Dealing with small files with OpenStack Swift (part 2)

Alexandre Lecuyer / 17/01/2020 / OpenStack, Storage, Swift / Uncategorized

In the first part of these articles, we demonstrated how storing small files in Swift may cause performance issues. In this second part we will present the solution. With this in mind, I will assume that you have read the first part, or that you are familiar with Swift. Files inside files We settled on

Dealing with small files with OpenStack Swift (part 2) Read More »