Vault Sizing

https://learn.hashicorp.com/tutorials/vault/reference-architecture#deployment-system-requirements

Vault의 Backend-Storage 사용 여부에 따라 구성에 차이가 발생

Vault (Raft - self hosted storage)

Vault reaches a milestone as HashiCorp releases Vault 1.4 - Amazic World

Size	CPU	Memory	Disk	Typical Cloud Instance Types
최소	2 core	4-8 GB RAM	50 GB	2 vCPU, 8 GB Mem, 10Gbps Network
권장	4-8 core	16-32 GB RAM	200 GB	4 vCPU, 16 GB Mem, 10Gbps Network

• HA 구성을 위해 3대 이상의 홀수 구성

Vault - Consul(Backend Storage)

Vault High Availability with Consul | Vault - HashiCorp Learn

Vault

Size	CPU	Memory	Disk	Typical Cloud Instance Types
최소	2 core	4-8 GB RAM	20 GB	2 vCPU, 8 GB Mem, 10Gbps Network
권장	4-8 core	16-32 GB RAM	100 GB	4 vCPU, 16 GB Mem, 10Gbps Network

• HA 구성을 위해 2대 이상 구성

Consul

Size	CPU	Memory	Disk	Typical Cloud Instance Types
Small	2 core	4-8 GB RAM	25 GB	2 vCPU, 8 GB Mem, 10Gbps Network
Large	4-8 core	16-32 GB RAM	100 GB	4 vCPU, 16 GB Mem, 10Gbps Network

• Vault Backend Storage로 사용
• HA 구성을 위해 3대 이상 홀수 구성