Send two pictures, a 13 k with 0.26 milliseconds, a 700 k in 59700 milliseconds, size only sent more than 50 times, the time difference of more than twenty-three thousand times, too exaggeration,
Tried under 50 k, want a few milliseconds, obviously is exponential growth,
Front end use is angular8, httpclient. The put () pictures,
Consult everybody a great god, and what is this place has a problem, can optimize?