{"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":"Node expansion: First consider expanding the storage space of the current node, such as doubling  the existing node capacity or upgrading to a larger node. This should be done within the limits of available hardware and budget."}]}],"pr":"e7c8c9c0a2254354e69fda77f9af9a1d52c95bff0ccf1dd6e8919f14d15432df"}