note: this is a hidden cli argument.
raw details (from release v1.17.34):
{
"name": "accounts_filler_size",
"properties": {
"long": "accounts-filler-size",
"value_name": "BYTES",
"validator": "is_parsable::<usize>",
"takes_value": "true",
"default_value": "&default_args.accounts_filler_size",
"requires": "accounts_filler_count",
"help": "Size per filler account in bytes.",
"hidden": "hidden_unless_forced()"
},
"isDeprecated": true
}