Hardware & Hosting Requirements
Resource requirements may vary based on chain size and other parameters. This mainly impacts database storage requirements. Basic prerequisites and settings can be found throughout the Information and Settings section for developers.
BlockScout requires a full archive node to import every state change for every address on the target network.
Recommended Base Hardware
EVM chains can differ in size and requirements, these are the recommendations for optimal performance.
RAM
128GB
Hosting Requirements
Minimums are listed for an AWS Cloud instance and can be inferred to other hosting providers.
Application
1x EC2 m5a.xlarge instance running Linux
8GB of EBS General Purpose SSD (NVMe)
Database
1x RDS Database running on db.t3.large using PostgreSQL v12+
500GB of General Purpose SSD (depending on chain size)
Amazon Elastic Load Balancing
Average 100 new connections/sec per Elastic Load Balancer
Requirements will vary based on chain. For example, these are the recommended requirements for a Harmony Explorer Node:
Setup: AWS i3en.12xlarge or equivalent, with local disk storage Storage: ~24TB (4x NVMe SSD) is recommended for Archival Explorer Nodes on Shard 0 OS: Latest Ubuntu Linux (LTS Version) Network: 100M+ bandwidth
For additional information, see:
General Requirements: Software required for deployment
Database Storage Requirements: Storage required for common chains to give a sense of needed storage
Node Tracing Requirements: JSON RPC methods
Client Setting Requirements: Settings related to client implementations (ie Geth, OpenEthereum, etc)
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