{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to solve the problem of nodes running out of space?","a":"Data compression: Compress the data stored in the node to reduce  the actual occupied space. You can use existing compression algorithms or develop customized algorithms tailored to the characteristics of specific data types."}]}],"pr":"78e52b68bf5503c9569a0057e0462c79321b862e33b42572566127407f914bdc"}