{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"To cope with the database load, how should the scale of the validation nodes and database nodes be adjusted?","a":"Use database sharding: Distribute  data across multiple databases, reducing the load pressure on individual databases."}]}],"pr":"3645e522c2f47cd5c548c2a3cca04f1ad0b9f15b3541653aae6061a5e0a86df3"}