{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to solve the problem of imminent exhaustion of node space?","a":"Upgrade storage devices: Consider upgrading the current storage devices to larger capacity  ones to meet the growing data demands."}]}],"pr":"7719660b29f8afa125a4e1a051aab9b0995142bef1d7d069938e83b5ad116033"}