note: this is a hidden cli argument.
raw details (from release v2.2.3):
{
"name": "rocksdb_ledger_compression",
"properties": {
"hidden": "hidden_unless_forced()",
"long": "rocksdb-ledger-compression",
"value_name": "COMPRESSION_TYPE",
"takes_value": "true",
"possible_values": "&[\"none\", \"lz4\", \"snappy\", \"zlib\"]",
"default_value": "&default_args.rocksdb_ledger_compression",
"help": "\n \"The compression algorithm that is used to compress transaction status data. \\\n Turning on compression can save ~10% of the ledger size.\",\n "
},
"isDeprecated": true
}