Error in ping test duration in Linux system

Problem phenomenon:

Latency is not high when pinging the destination address, but the duration is very long. For example, the test in the following figure pings 4 packets to the official website of JD Cloud & AI. Each packet is basically within 35ms, but the duration is more than 3000ms. Execute:

ping www.jdcloud.com -c 4

Cause analysis:

Actually, this is because there's an interval of 1s between ping packets, which is normal.

Treatment method:

The time interval can be controled with parameter -i . For example, in the same test, after using the specified parameter -i 0.1 , it can be seen that the total time is obviously reduced. Execute:

ping www.jdcloud.com -c 4 -i 0.1

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