{"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":"Increase the number of database servers: Diversify the query  and write load by extending the database nodes horizontally, thereby improving system performance."}]}],"pr":"22b9133484d0786431d8a56336e524d79741cf9403c3c281ea0e70cb4f857763"}