TCP proxy

Statistics

The TCP proxy filter emits both its own downstream statistics as well as many of the cluster upstream statistics where applicable. The downstream statistics are rooted at tcp.. with the following statistics:

NameTypeDescription
downstream_cx_totalCounterTotal number of connections handled by the filter.
downstream_cx_no_routeCounterNumber of connections for which no matching route was found.
downstream_cx_tx_bytes_totalCounterTotal bytes written to the downstream connection.
downstream_cx_tx_bytes_bufferedGaugeTotal bytes currently buffered to the downstream connection.
downstream_flow_control_paused_reading_totalCounterTotal number of times flow control paused reading from downstream.
downstream_flow_control_resumed_reading_totalCounterTotal number of times flow control resumed reading from downstream.