A large-scale data processing system, a large-scale data processing method, and a non-transitory tangible machine-readable medium are provided. The vehicle body structure includes first and second crash boxes that are provided at rear ends of rear side members. A leg pad assembly is adjustably attached to the upright member for vertically adjusting a height of the leg pad assembly. Data is decrypted for the particular tenant when access is needed and data is encrypted using encryption keys of the key store when written in the cloud storage environment.