{"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":"Clean up unnecessary data: Check the storage space, find files and data that are no longer needed, and delete or migrate them to other  storage devices to release node space."}]}],"pr":"f1c280b51117eca3ad8b14850c6459c2eae5392d16d2ee3b12e0ebf4e9d18f22"}