limit_ledger_size

raw details (from release v2.2.3):

{
  "name": "limit_ledger_size",
  "properties": {
    "long": "limit-ledger-size",
    "value_name": "SHRED_COUNT",
    "takes_value": "true",
    "min_values": "0",
    "max_values": "1",
    "default_value": true,
    "help": "Keep this amount of shreds in root slots."
  },
  "isDeprecated": false
}