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Graph information

Field Internal name Type Warning Critical Info
Fast Open attempts (SYN/data) failed TcpExt_TCPFastOpenActiveFail derive Fast Open attempts (SYN/data) failed because the remote does not accept it or the attempts timed out
Fast Open received (SYN/data) passive failed TcpExt_TCPFastOpenPassiveFail derive Number of failed passive Fast Open (SYN/data)
Fast retransmissions TcpExt_TCPFastRetrans derive
Forward retransmissions TcpExt_TCPForwardRetrans gauge
Timeouts in loss state TcpExt_TCPLossFailures derive
Necesary tail loss probes TcpExt_TCPLossProbeRecovery derive
failed tcp_retransmit_skb() TcpExt_TCPRetransFail derive
Slow Start retransmissions TcpExt_TCPSlowStartRetrans derive
SYN and SYN/ACK retransmits TcpExt_TCPSynRetrans derive Number of SYN and SYN/ACK retransmits to break down retransmissions into SYN, fast-retransmits, timeout retransmits, etc
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