Sequential vs Random IO $ go run main.go buf_size,random (ms), sequential (ms) 1KB,9410,3474 2KB,3747,1922 4KB,1902,1093 8KB,1105,622 16KB,673,404 32KB,443,299 64KB,340,243 128KB,254,213 256KB,237,198 512KB,215,192 1024KB,214,193