Linux

Using netstat to check network package retransmission

Photo by Jordan Harrison / Unsplash

$ while [ 1 ]; do netstat -s | grep 'segments retransmited' ; sleep 1; done
    2500906 segments retransmited
    2500912 segments retransmited
    2501072 segments retransmited
    2501102 segments retransmited
    2501191 segments retransmited

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Using dm-delay to emulate slower SSD on NVME device

Using dm-delay to emulate slower SSD on NVME device

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TCP 3-way handshake (SYN, SYN-ACK,ACK)

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