schema.PostgreSQLMetrics

{
    "cache": {
        "blocks_hit": 0,
        "blocks_read": 0,
        "hit_ratio": 0,
        "temp_bytes": 0,
        "temp_files": 0
    },
    "connections": {
        "active": 0,
        "idle": 0,
        "idle_in_tx": 0,
        "max_conn": 0,
        "total": 0,
        "usage_percent": 0,
        "waiting": 0
    },
    "database": {
        "index_size": 0,
        "size": 0,
        "table_count": 0,
        "table_size": 0
    },
    "locks": {
        "access_share": 0,
        "deadlocks": 0,
        "row_excl": 0,
        "row_share": 0,
        "total": 0,
        "waiting": 0
    },
    "replication": {
        "is_replica": true,
        "lag_bytes": 0,
        "replica_count": 0
    },
    "transaction": {
        "committed": 0,
        "rolled_back": 0,
        "tps": 0
    }
}