| Field |
Internal name |
Type |
Warn |
Crit |
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 |
