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System Requirements

H/W Specification

The network performance is measured based on the worst hardware specification within the network. According to the blockchain network structure, it is only possible to be scaled up vertically (increasing hardware capacity). Hence, it is recommended that all the nodes within the network should have the best hardwares having the similar specifications with each other at least.
The following sections show the recommended specifications for both CNs and PNs.

Bare-metal Server

Category
Specification
Server
Intel® Server System R2312WFTZS
CPU
Intel® Xeon 6148 2.40 GHz (20-core/40-thread) * 2EA (total 40-core/80-thread)
Memory
256GB (32GB * 8)
Storage
3TB (or larger size) SSD (The preferred storage size and configuration could differ depending on the chain data size. Please consult the Klaytn Team for more information.)
Note that this is a recommended hardware specification for CNs and PNs, not an exact requirement. Any physical machine with similar hardware configurations would be sufficient to operate a CN or a PN.

Cloud VM

Node Type
Model
vCPU
Memory (GiB)
Storage size (GiB)
Storage speed (IOPS)
Price (Seoul region, USD/h)
CN
c5.18xlarge
72
144
3,000 (Minimum)
3,000 (Minimum)
3.456
PN
m5.8xlarge
32
128
3,000 (Minimum)
3,000 (Minimum)
1.888
This storage specification is derived from AWS EBS SSD (gp2) specification.
The information above is from https://aws.amazon.com/ec2/instance-types/ and https://aws.amazon.com/ec2/pricing/on-demand/ and may be changed by AWS.
Node Type
Model
vCPU
Memory (GiB)
Storage type (GiB)
Storage speed (IOPS)
Price (Korea Central, USD/h)
CN
F72s v2
72
144
P50 (4096)
7500
3.456
PN
D32s v5
32
128
P50 (4096)
7500
1.625
This storage specification is derived from Azure Premium Disk specification.

Storage Requirements

Assuming 100 TPS in average, 300 bytes average transaction size, and 1-second block latency, the expected daily storage requirement is about 2.5 GB/day (=300x100x86400).

Operating System

Recommended environment is compatible with RHEL (7.8 or later). Klaytn binaries are fully tested on Amazon Linux 2, but they should work on other linux-based environments as well. macOS binaries are also provided for development purpose.