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Every connection manager has a statistics tree rooted at http.
| Name | Type | Description |
|---|---|---|
| downstream_cx_total | Counter | Total connections |
| downstream_cx_ssl_total | Counter | Total TLS connections |
| downstream_cx_http1_total | Counter | Total HTTP/1.1 connections |
| downstream_cx_websocket_total | Counter | Total WebSocket connections |
| downstream_cx_http2_total | Counter | Total HTTP/2 connections |
| downstream_cx_destroy | Counter | Total connections destroyed |
| downstream_cx_destroy_remote | Counter | Total connections destroyed due to remote close |
| downstream_cx_destroy_local | Counter | Total connections destroyed due to local close |
| downstream_cx_destroy_active_rq | Counter | Total connections destroyed with 1+ active request |
| downstream_cx_destroy_local_active_rq | Counter | Total connections destroyed locally with 1+ active request |
| downstream_cx_destroy_remote_active_rq | Counter | Total connections destroyed remotely with 1+ active request |
| downstream_cx_active | Gauge | Total active connections |
| downstream_cx_ssl_active | Gauge | Total active TLS connections |
| downstream_cx_http1_active | Gauge | Total active HTTP/1.1 connections |
| downstream_cx_websocket_active | Gauge | Total active WebSocket connections |
| downstream_cx_http2_active | Gauge | Total active HTTP/2 connections |
| downstream_cx_protocol_error | Counter | Total protocol errors |
| downstream_cx_length_ms | Histogram | Connection length milliseconds |
| downstream_cx_rx_bytes_total | Counter | Total bytes received |
| downstream_cx_rx_bytes_buffered | Gauge | Total received bytes currently buffered |
| downstream_cx_tx_bytes_total | Counter | Total bytes sent |
| downstream_cx_tx_bytes_buffered | Gauge | Total sent bytes currently buffered |
| downstream_cx_drain_close | Counter | Total connections closed due to draining |
| downstream_cx_idle_timeout | Counter | Total connections closed due to idle timeout |
| downstream_flow_control_paused_reading_total | Counter | Total number of times reads were disabled due to flow control |
| downstream_flow_control_resumed_reading_total | Counter | Total number of times reads were enabled on the connection due to flow control |
| downstream_rq_total | Counter | Total requests |
| downstream_rq_http1_total | Counter | Total HTTP/1.1 requests |
| downstream_rq_http2_total | Counter | Total HTTP/2 requests |
| downstream_rq_active | Gauge | Total active requests |
| downstream_rq_response_before_rq_complete | Counter | Total responses sent before the request was complete |
| downstream_rq_rx_reset | Counter | Total request resets received |
| downstream_rq_tx_reset | Counter | Total request resets sent |
| downstream_rq_non_relative_path | Counter | Total requests with a non-relative HTTP path |
| downstream_rq_too_large | Counter | Total requests resulting in a 413 due to buffering an overly large body. |
| downstream_rq_2xx | Counter | Total 2xx responses |
| downstream_rq_3xx | Counter | Total 3xx responses |
| downstream_rq_4xx | Counter | Total 4xx responses |
| downstream_rq_5xx | Counter | Total 5xx responses |
| downstream_rq_ws_on_non_ws_route | Counter | Total WebSocket upgrade requests rejected by non WebSocket routes |
| downstream_rq_time | Histogram | Request time milliseconds |
| rs_too_large | Counter | Total response errors due to buffering an overly large body. |
Per user agent statistics
Additional per user agent statistics are rooted at http.
| Name | Type | Description |
|---|---|---|
| downstream_cx_total | Counter | Total connections |
| downstream_cx_destroy_remote_active_rq | Counter | Total connections destroyed remotely with 1+ active requests |
| downstream_rq_total | Counter | Total requests |
Per listener statistics
Additional per listener statistics are rooted at listener.
.http.| Name | Type | Description |
|---|---|---|
| downstream_rq_2xx | Counter | Total 2xx responses |
| downstream_rq_3xx | Counter | Total 3xx responses |
| downstream_rq_4xx | Counter | Total 4xx responses |
| downstream_rq_5xx | Counter | Total 5xx responses |
