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Flavor Specifications

In the OpenStack context the term “flavor” refers to a hardware profile that can be used for a virtual machine. In Optimist we have set up various standard hardware profiles (flavors). These have different limits, which are listed below for all available flavors.

Migrating between Flavor Types

To change the flavors of existing instances, the OpenStack “Resize Instance” Option can be used either via the Dashboard or the CLI. This will result in a reboot of the Instance but the content of the instance will be preserved.

This does not apply to l1 (localstorage) flavors For more information please see Storage → Localstorage

Deprecated Flavor Types

The following Flavor Types are currently considered deprecated and the removal of these flavor families is planned for the near future. We will regularly check if these flavors are still in use, if not, we will set them to private in order to to avoid new instances being created with them.

  • m1-Family (Deprecated)
  • e1-Family (e = equal) (Deprecated)
  • r1-Family (r = ram) (Deprecated)
  • Memory Flavors (Deprecated)
  • Windows Flavors (Deprecated)

Flavor Types

Standard Flavors

NameCoresRAMDiskIOPS Limits (read/write)IO throughput (read/write)Network Bandwidth
s1.micro12 GB20 GB1000 / 1000200 MB/s / 200 MB/s1 Gbit/s
s1.small24 GB20 GB1000 / 1000200 MB/s / 200 MB/s2 Gbit/s
s1.medium48 GB20 GB1000 / 1000200 MB/s / 200 MB/s3 Gbit/s
s1.large816 GB20 GB1000 / 1000200 MB/s / 200 MB/s4 Gbit/s
s1.xlarge1632 GB20 GB1000 / 1000200 MB/s / 200 MB/s4 Gbit/s
s1.2xlarge3064 GB20 GB1000 / 1000200 MB/s / 200 MB/s4 Gbit/s

Dedicated CPU Flavors

NameCoresRAMDiskIOPS Limits (read/write)IO throughput (read/write)Network Bandwidth
d1.micro18 GB20 GB1000 / 1000200 MB/s / 200 MB/s1 Gbit/s
d1.small216 GB20 GB1000 / 1000200 MB/s / 200 MB/s2 Gbit/s
d1.medium432 GB20 GB1000 / 1000200 MB/s / 200 MB/s3 Gbit/s
d1.large864 GB20 GB1000 / 1000200 MB/s / 200 MB/s4 Gbit/s
d1.xlarge16128 GB20 GB1000 / 1000200 MB/s / 200 MB/s4 Gbit/s
d1.2xlarge30256 GB20 GB1000 / 1000200 MB/s / 200 MB/s4 Gbit/s

Localstorage Flavors

NameCoresRAMDiskIOPS Limits (read/write)IO throughput (read/write)Network Bandwidth
l1.micro18 GB300 GB25000 / 10000125 MB/s / 60 MB/s1 Gbit/s
l1.small216 GB600 GB50000 / 25000250 MB/s / 125 MB/s2 Gbit/s
l1.medium432 GB1200 GB100000 / 50000500 MB/s / 250 MB/s3 Gbit/s
l1.large864 GB2500 GB100000 / 1000001000 MB/s / 500 MB/s4 Gbit/s
l1.xlarge16128 GB5000 GB100000 / 1000002000 MB/s / 1125 MB/s4 Gbit/s
l1.2xlarge30256 GB10000 GB100000 / 1000002000 MB/s / 2000 MB/s4 Gbit/s

m1-Family (Deprecated)

NameCoresRAMDiskIOPS Limits (read/write)IO throughput (read/write)Network Bandwidth
m1.micro11 GB20 GB1000 / 1000200 MB/s / 200 MB/s1 Gbit/s
m1.small24 GB20 GB1000 / 1000200 MB/s / 200 MB/s2 Gbit/s
m1.medium48 GB20 GB1000 / 1000200 MB/s / 200 MB/s3 Gbit/s
m1.large816 GB20 GB1000 / 1000200 MB/s / 200 MB/s4 Gbit/s
m1.xlarge1632 GB20 GB1000 / 1000200 MB/s / 200 MB/s4 Gbit/s
m1.xxlarge3064 GB20 GB1000 / 1000200 MB/s / 200 MB/s4 Gbit/s

e1-Family (e = equal) (Deprecated)

NameCoresRAMDiskIOPS Limits (read/write)IO throughput (read/write)Network Bandwidth
e1.small22 GB20 GB1000 / 1000200 MB/s / 200 MB/s1 Gbit/s
e1.medium44 GB20 GB1000 / 1000200 MB/s / 200 MB/s2 Gbit/s
e1.large88 GB20 GB1000 / 1000200 MB/s / 200 MB/s3 Gbit/s
e1.xlarge1616 GB20 GB1000 / 1000200 MB/s / 200 MB/s4 Gbit/s
e1.xxlarge3032 GB20 GB1000 / 1000200 MB/s / 200 MB/s4 Gbit/s

r1-Family (r = ram) (Deprecated)

NameCoresRAMDiskIOPS Limits (read/write)IO throughput (read/write)Network Bandwidth
r1.small26 GB20 GB1000 / 1000200 MB/s / 200 MB/s1 Gbit/s
r1.medium412 GB20 GB1000 / 1000200 MB/s / 200 MB/s2 Gbit/s
r1.large832 GB20 GB1000 / 1000200 MB/s / 200 MB/s3 Gbit/s
r1.xlarge1648 GB20 GB1000 / 1000200 MB/s / 200 MB/s4 Gbit/s

Memory Flavors (Deprecated)

NameCoresRAMDiskIOPS Limits (read/write)IO throughput (read/write)Network Bandwidth
mem.micro416 GB20 GB1000 / 1000200 MB/s / 200 MB/s1 Gbit/s
mem.small832 GB20 GB1000 / 1000200 MB/s / 200 MB/s2 Gbit/s
mem.medium864 GB20 GB1000 / 1000200 MB/s / 200 MB/s3 Gbit/s

Windows Flavors (Deprecated)

NameCoresRAMDiskIOPS Limits (read/write)IO throughput (read/write)Network Bandwidth
win.micro12 GB80 GB1000 / 1000200 MB/s /200 MB/s1 Gbit/s
win.small28 GB80 GB1000 / 1000200 MB/s /200 MB/s2 Gbit/s
win.medium416 GB80 GB1000 / 1000200 MB/s /200 MB/s3 Gbit/s
win.large832 GB80 GB1000 / 1000200 MB/s /200 MB/s4 Gbit/s
win.xlarge1664 GB80 GB1000 / 1000200 MB/s /200 MB/s4 Gbit/s