{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to solve the problem of imminent exhaustion of storage space on the node?","a":"Implement data compression and deduplication: Utilize data compression and deduplication  techniques to reduce"}]}],"pr":"203e251f1bd04c477c4cf2d94dd61de0b858ac363a89ef1d75cb460aaec6bd1e"}