Note
These metrics are provided by the operating system. Due to differences in operating system metrics available and the methodology used to take measurements, the values may not be consistent across different operating systems or versions of the same operating system.
Name |
Type |
Description |
---|---|---|
cx_tx_segments |
Counter |
Total TCP segments transmitted |
cx_rx_segments |
Counter |
Total TCP segments received |
cx_tx_data_segments |
Counter |
Total TCP segments with a non-zero data length transmitted |
cx_rx_data_segments |
Counter |
Total TCP segments with a non-zero data length received |
cx_tx_retransmitted_segments |
Counter |
Total TCP segments retransmitted |
cx_tx_unsent_bytes |
Gauge |
Bytes which Envoy has sent to the operating system which have not yet been sent |
cx_tx_unacked_segments |
Gauge |
Segments which have been transmitted that have not yet been acknowledged |
cx_tx_percent_retransmitted_segments |
Histogram |
Percent of segments on a connection which were retransmistted |
cx_rtt_us |
Histogram |
Smoothed round trip time estimate in microseconds |
cx_rtt_variance_us |
Histogram |
Estimated variance in microseconds of the round trip time. Higher values indicated more variability. |