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Change AWS default type from t2.small to t3.small

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* T3 is the next generation general purpose burstable
instance type. Compared with t2.small, the t3.small is
cheaper, has 2 vCPU (instead of 1) and provides 5 Gbps
of pod-to-pod bandwidth (instead of 1 Gbps)
This commit is contained in:
Dalton Hubble 2018-12-18 12:29:27 -08:00
parent 4d2f33aee6
commit f2f4deb8bb
6 changed files with 20 additions and 15 deletions
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5
CHANGES.md
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@ -4,6 +4,11 @@ Notable changes between versions.
## Latest
#### AWS
* Change `controller_type` and `worker_type` default from t2.small to t3.small
* t3.small is cheaper, provides 2 vCPU (instead of 1), and 5 Gbps of pod-to-pod bandwidth!
## v1.13.1
* Kubernetes [v1.13.1](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.13.md#v1131)

4
aws/container-linux/kubernetes/variables.tf
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@ -31,13 +31,13 @@ variable "worker_count" {
variable "controller_type" {
type = "string"
default = "t2.small"
default = "t3.small"
description = "EC2 instance type for controllers"
}
variable "worker_type" {
type = "string"
default = "t2.small"
default = "t3.small"
description = "EC2 instance type for workers"
}

4
aws/fedora-atomic/kubernetes/variables.tf
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@ -31,13 +31,13 @@ variable "worker_count" {
variable "controller_type" {
type = "string"
default = "t2.small"
default = "t3.small"
description = "EC2 instance type for controllers"
}
variable "worker_type" {
type = "string"
default = "t2.small"
default = "t3.small"
description = "EC2 instance type for workers"
}

4
docs/atomic/aws.md
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@ -224,8 +224,8 @@ Reference the DNS zone id with `"${aws_route53_zone.zone-for-clusters.zone_id}"`
|:-----|:------------|:--------|:--------|
| controller_count | Number of controllers (i.e. masters) | 1 | 1 |
| worker_count | Number of workers | 1 | 3 |
| controller_type | EC2 instance type for controllers | "t2.small" | See below |
| worker_type | EC2 instance type for workers | "t2.small" | See below |
| controller_type | EC2 instance type for controllers | "t3.small" | See below |
| worker_type | EC2 instance type for workers | "t3.small" | See below |
| disk_size | Size of the EBS volume in GB | "40" | "100" |
| disk_type | Type of the EBS volume | "gp2" | standard, gp2, io1 |
| disk_iops | IOPS of the EBS volume | "0" (i.e. auto) | "400" |

4
docs/cl/aws.md
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@ -236,8 +236,8 @@ Reference the DNS zone id with `"${aws_route53_zone.zone-for-clusters.zone_id}"`
|:-----|:------------|:--------|:--------|
| controller_count | Number of controllers (i.e. masters) | 1 | 1 |
| worker_count | Number of workers | 1 | 3 |
| controller_type | EC2 instance type for controllers | "t2.small" | See below |
| worker_type | EC2 instance type for workers | "t2.small" | See below |
| controller_type | EC2 instance type for controllers | "t3.small" | See below |
| worker_type | EC2 instance type for workers | "t3.small" | See below |
| os_image | AMI channel for a Container Linux derivative | coreos-stable | coreos-stable, coreos-beta, coreos-alpha, flatcar-stable, flatcar-beta, flatcar-alpha |
| disk_size | Size of the EBS volume in GB | "40" | "100" |
| disk_type | Type of the EBS volume | "gp2" | standard, gp2, io1 |

14
docs/topics/performance.md
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@ -6,7 +6,7 @@ Provisioning times vary based on the operating system and platform. Sampling the
| Platform | Apply | Destroy |
|---------------|-------|---------|
| AWS | 6 min | 5 min |
| AWS | 6 min | 4 min |
| Azure | 7 min | 7 min |
| Bare-Metal | 10-15 min | NA |
| Digital Ocean | 3 min 30 sec | 20 sec |
@ -24,12 +24,12 @@ Network performance varies based on the platform and CNI plugin. `iperf` was use
| Platform / Plugin | Theory | Host to Host | Pod to Pod |
|----------------------------|-------:|-------------:|-------------:|
| AWS (flannel) | Varies | 976 Mb/s | 900-999 Mb/s |
| AWS (calico, MTU 1480) | Varies | 976 Mb/s | 100-350 Mb/s |
| AWS (calico, MTU 8981) | Varies | 976 Mb/s | 900-999 Mb/s |
| Azure (flannel) | Varies | 749 Mb/s | 680 Mb/s |
| Bare-Metal (flannel) | 1 Gb/s | ~940 Mb/s | 903 Mb/s |
| Bare-Metal (calico) | 1 Gb/s | ~940 Mb/s | 931 Mb/s |
| AWS (flannel) | 5 Gb/s | 4.94 Gb/s | 4.89 Gb/s |
| AWS (calico, MTU 1480) | 5 Gb/s | 4.94 Gb/s | 4.42 Gb/s |
| AWS (calico, MTU 8981) | 5 Gb/s | 4.94 Gb/s | 4.75 Gb/s |
| Azure (flannel) | Varies | 749 Mb/s | 680 Mb/s |
| Bare-Metal (flannel) | 1 Gb/s | 940 Mb/s | 903 Mb/s |
| Bare-Metal (calico) | 1 Gb/s | 940 Mb/s | 931 Mb/s |
| Bare-Metal (flannel, bond) | 3 Gb/s | 2.3 Gb/s | 1.17 Gb/s |
| Bare-Metal (calico, bond) | 3 Gb/s | 2.3 Gb/s | 1.17 Gb/s |
| Digital Ocean | 2 Gb/s | 1.97 Gb/s | 1.64 Gb/s |