FirmaChain
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Specification

Disk space depends on the pruning strategy of your choice.
There are four strategies for pruning state. These strategies apply only to state and do not apply to block storage. To set pruning, adjust the pruning parameter in the ~/.firmachain/config/app.toml file. The following pruning state settings are available:
  1. 1.
    everything: Prune all saved states other than the current state.
  2. 2.
    nothing: Save all states and delete nothing.
  3. 3.
    default: Save the last 100 states and the state of every 10,000th block.
  4. 4.
    custom: Specify pruning settings with the pruning-keep-recent, pruning-keep-every, and pruning-interval parameters.
Pruning strategy
Minimum disk space
Recommended disk space
everything
20 GB
40 GB
default
80 GB
120 GB
nothing
120 GB
> 240 GB
By default, every node is in default mode which is the recommended setting for most environments.
Apart from disk space, the following requirements should be met.
Minimum CPU cores
Recommended CPU cores
2
4
Minimum RAM
Recommended RAM
4 GB
8 GB

Type
Port number
Description
SSH
22
for connect ssh
API
1317
http api
P2P
26656
for peer communication

In general, most operating systems limit the maximum number of files that can be opened. (The document was written based on Ubuntu 20.04 LTS, and the default value of this OS is 1024.) However, if you open /etc/security/limits.conf and modify the value as can be seen in the code below, you can raise the limit of the nofile feature
* soft nofile 65535
* hard nofile 65535
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Hardware requirements
Service Ports
Increase maximum open files