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A wide range of instances with guaranteed performance

Explore a catalogue of premium instance types, with fully-guaranteed resources. General Purpose instances have balanced resources to suit most use cases. CPU instances have powerful computing power, whereas RAM instances are for high memory usage. 

Scalability

If you not sure which CPU/RAM specs you need, you can start off with these instances and scale up or down as you need.

100% guaranteed resources

Your server's resources are dedicated to you and only you. Enjoy 100% of the server resources, 100% of the time.

Local SSD disks

To ensure optimal read/write performance, the virtual machine's disks are hosted directly on the hypervisor. These storage points are supported by a RAID-mounted SSD disk array, to ensure data durability and efficiency. 

Full range

  comparatif serveur cloud ressources garanties

General Purpose

comparatif serveur cloud cpu

CPU

public cloud ram

RAM

Description Deploy cloud instances with guaranteed resources and an ideal CPU-RAM balance for a wide range of uses Get cloud servers with guaranteed resources, and particularly well-suited to applications that require high computing power Create the most suitable instances for databases, applications that are loaded in memory, and other RAM-intensive uses
Name b2 c2 r2
Number of cores

from 2 vCores to 32 vCores

+2 GHz

from 2 vCores to 32 vCores

+3 GHz

from 2 vCores to 32 vCores

+2 GHz

Memory from 7 GB to 120 GB RAM from 7 GB to 120 GB RAM from 15 GB to 240 GB RAM
Storage from 50 GB to 400 GB of disk space from 50 GB to 400 GB of disk space from 50 GB to 400 GB of disk space

 

Use cases

Front-end server cluster

Thanks to their CPU/RAM ratio, General Purpose instances are particularly suitable for hosting the first line of a multi-tier application. Front-end server clusters, including web servers such as Apache or Nginx, may require a higher number of vCores for concurrent access.

Distributed database

Databases are often optimised to use a large amount of memory, which limits disk access. RAM instances provide 15 GB of RAM per vCore (except r2-15), creating optimal conditions for requests to be quickly executed on a MySQL/Galera or MongoDB engine (for example).

Specialist tasks

Many applications designed to perform specific tasks (machine learning, for example) have very-specialist computing requirements. However, once the task in question is complete, there is no need to maintain an inactive server. CPU instances are perfect for these kinds of one-off tasks.

How to

Boot an instance
openstack server create --flavor b2-60-flex --image debian server01

Resize an instance
openstack server resize --flavor c2-120-flex --comfirm server01

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Features

Flexible

By choosing the "flexible" option, you can increase or decrease the size of your instance at any time. You can even switch to a different family of instances, e.g. from a b2-60 model to a c2-120.

Unlimited snapshots

As with all instances, you can trigger a live snapshot at any time. This will replicate the state of your system disk on a dedicated space, so that you can restore it later. 

A wide range of operating systems

Choose from more than 15 Linux distributions, as well as Windows and FreeBSD operating systems. You can also import your images. Many formats are supported, including those from the most popular private or public clouds.

Add volumes

Choose our Block Storage solution if you want to attach flexible storage to your instances. You can also boot instances from these additional volumes. 

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Guaranteed Resources Billing

Guaranteed Resources instances are billed like all other instances, they are "pay-as-you-go". You receive an invoice at the beginning of each month and the price varies depending on the size and duration of the instance.