---
title: Edge metrics
summary: The Observability API allows you to programmatically define custom dashboards to view in the Observability web interface. These metrics are compatible with <a href="https://www.fastly.com/documentation/reference/api/observability/custom-dashboards/#data-source">dashboard items where <code>data_source.type</code> is <code>stats.edge</code></a>.
url: https://www.fastly.com/documentation/reference/api/observability/custom-dashboards/metrics/edge
---

The Observability API allows you to programmatically define custom
dashboards to view in the Observability web interface. These metrics are
compatible with
<a href="https://www.fastly.com/documentation/reference/api/observability/custom-dashboards/#data-source">dashboard items where <code>data_source.type</code> is <code>stats.edge</code></a>.

## Data model

| Field | Type | Description |
|-------|------|-------------|
| `all_edge_hit_requests` | integer | Number of requests sent by end users to Fastly that resulted in a hit at the edge. |
| `all_edge_miss_requests` | integer | Number of requests sent by end users to Fastly that resulted in a miss at the edge. |
| `all_error_requests` | number | Number of cache errors. |
| `all_hit_requests` | number | Number of cache hits. |
| `all_miss_requests` | number | Number of cache misses. |
| `all_pass_requests` | integer | Number of requests that passed through the CDN without being cached. |
| `all_status_1xx` | integer | Number of 'Informational' category status codes delivered. |
| `all_status_2xx` | integer | Number of 'Success' status codes delivered. |
| `all_status_3xx` | integer | Number of 'Redirection' codes delivered. |
| `all_status_4xx` | integer | Number of 'Client Error' codes delivered. |
| `all_status_4xx_rate` | number | Percentage of responses with 4xx codes delivered. If there are no responses, this value will be 0%. |
| `all_status_5xx` | integer | Number of 'Server Error' codes delivered. |
| `all_status_5xx_rate` | number | Percentage of responses with 5xx codes delivered. If there are no responses, this value will be 0%. |
| `all_status_gte_400_rate` | number | Percentage of responses with 4xx or 5xx codes delivered. If there are no responses, this value will be 0%. |
| `all_status_lt_500_rate` | number | Percentage of responses with non-5xx codes delivered. If there are no responses, this value will be 0%. |
| `all_synth_requests` | integer | Number of requests that returned a synthetic response (i.e., response objects created with the synthetic VCL statement). |
| `attack_blocked_req_body_bytes` | integer | Body bytes received from requests that triggered a WAF rule that was blocked. |
| `attack_blocked_req_header_bytes` | integer | Header bytes received from requests that triggered a WAF rule that was blocked. |
| `attack_logged_req_body_bytes` | integer | Body bytes received from requests that triggered a WAF rule that was logged. |
| `attack_logged_req_header_bytes` | integer | Header bytes received from requests that triggered a WAF rule that was logged. |
| `attack_passed_req_body_bytes` | integer | Body bytes received from requests that triggered a WAF rule that was passed. |
| `attack_passed_req_header_bytes` | integer | Header bytes received from requests that triggered a WAF rule that was passed. |
| `attack_req_body_bytes` | integer | Body bytes received from requests that triggered a WAF rule. |
| `attack_req_header_bytes` | integer | Header bytes received from requests that triggered a WAF rule. |
| `attack_resp_synth_bytes` | integer | Bytes delivered for requests that triggered a WAF rule and returned a synthetic response. |
| `bandwidth` | integer | Bytes delivered (resp_header_bytes + resp_body_bytes + bereq_header_bytes + bereq_body_bytes). |
| `bereq_body_bytes` | integer | Body bytes sent to origin. |
| `bereq_header_bytes` | integer | Header bytes sent to origin. |
| `body_size` | integer | Body bytes delivered (alias for resp_body_bytes). |
| `cache_coverage` | number | How much of your site you are caching with Fastly. It is defined as the ratio of cacheable requests to total requests. |
| `cache_hit_ratio` | number | Ratio of requests served from Fastly. (hits / (hits + edge miss requests - shield hit requests). |
| `compute_bandwidth` | integer | Total bytes sent to customers and backends (origins) by Compute. |
| `compute_bereq_body_bytes` | integer | Total body bytes sent to backends (origins) by Compute. |
| `compute_bereq_errors` | integer | Number of backend request errors, including timeouts. |
| `compute_bereq_header_bytes` | integer | Total header bytes sent to backends (origins) by Compute. |
| `compute_beresp_body_bytes` | integer | Total body bytes received from backends (origins) by Compute. |
| `compute_beresp_header_bytes` | integer | Total header bytes received from backends (origins) by Compute. |
| `compute_execution_time_ms` | integer | Active CPU time used to process your requests. |
| `compute_globals_limit_exceeded` | number | Number of times a guest exceeded its globals limit. |
| `compute_guest_errors` | number | Number of times a service experienced an edge code error. |
| `compute_heap_limit_exceeded` | number | Number of times a guest exceeded its heap limit. |
| `compute_ram_used` | integer | RAM used for your site by Fastly, including a maximum indicating the highest usage within this timeframe and a static cap for usage. |
| `compute_req_body_bytes` | integer | Total body bytes received by Compute. |
| `compute_req_header_bytes` | integer | Total header bytes received by Compute. |
| `compute_request_time_ms` | integer | Time used to process your requests, including active CPU time. |
| `compute_requests` | integer | Number of compute requests processed. |
| `compute_resource_limit_exceeded` | number | Number of times a guest exceeded its resource limit, includes heap, stack, globals, and code execution timeout. |
| `compute_resp_body_bytes` | integer | Total body bytes sent from Compute to end user. |
| `compute_resp_header_bytes` | integer | Total header bytes sent from Compute to end user. |
| `compute_resp_status_1xx` | integer | Number of 'Informational' category status codes delivered by Compute. |
| `compute_resp_status_2xx` | integer | Number of 'Success' category status codes delivered by Compute. |
| `compute_resp_status_3xx` | integer | Number of 'Redirection' category status codes delivered by Compute. |
| `compute_resp_status_4xx` | integer | Number of 'Client Error' category status codes delivered by Compute. |
| `compute_resp_status_5xx` | integer | Number of 'Server Error' category status codes delivered by Compute. |
| `compute_runtime_errors` | number | Number of times a service experienced a guest runtime error. |
| `compute_stack_limit_exceeded` | number | Number of times a guest exceeded its stack limit. |
| `compute_vcpu_per_request` | integer | Average amount of CPU time used to process a request received by the service. |
| `ddos_action_blackhole` | number | The number of times the blackhole action was taken. |
| `ddos_action_close` | number | The number of times the close action was taken. |
| `ddos_action_limit_streams_connections` | number | For HTTP/2, the number of connections the limit-streams action was applied to. |
| `ddos_action_limit_streams_requests` | number | Number of 'Server Error' category status codes delivered by Compute. |
| `ddos_action_tarpit` | number | The number of times the tarpit action was taken. |
| `ddos_action_tarpit_accept` | number | The number of times the tarpit-accept action was taken. |
| `deliver_sub_count` | number | Number of executions of the 'deliver' Varnish subroutine. |
| `deliver_sub_time` | integer | Time spent inside the 'deliver' Varnish subroutine (in seconds). |
| `edge_hit_ratio` | number | Ratio of edge hits to edge misses (between 0 and 1). |
| `edge_hit_requests` | integer | Number of requests sent by end users to Fastly that resulted in a hit at the edge. |
| `edge_hit_resp_body_bytes` | integer | Body bytes delivered for edge hits. |
| `edge_hit_resp_header_bytes` | integer | Header bytes delivered for edge hits. |
| `edge_miss_requests` | integer | Number of requests sent by end users to Fastly that resulted in a miss at the edge. |
| `edge_miss_resp_body_bytes` | integer | Body bytes delivered for edge misses. |
| `edge_miss_resp_header_bytes` | integer | Header bytes delivered for edge misses. |
| `edge_requests` | integer | Number of requests sent by end users to Fastly. |
| `edge_resp_body_bytes` | integer | Body bytes delivered from Fastly to the end user. |
| `edge_resp_header_bytes` | integer | Header bytes delivered from Fastly to the end user. |
| `error_ratio` | number | 4xx + 5xx / total number of requests. |
| `error_sub_count` | number | Number of executions of the 'error' Varnish subroutine. |
| `error_sub_time` | integer | Time spent inside the 'error' Varnish subroutine (in seconds). |
| `errors` | number | Number of cache errors. |
| `fanout_bereq_body_bytes` | integer | Fanout body bytes transferred from backend. |
| `fanout_bereq_header_bytes` | integer | Fanout header bytes transferred from backend. |
| `fanout_beresp_body_bytes` | integer | Fanout body bytes transferred to backend. |
| `fanout_beresp_header_bytes` | integer | Fanout header bytes transferred to backend. |
| `fanout_conn_time_ms` | integer | Total duration of Fanout connections with end users. |
| `fanout_recv_publishes` | integer | Number of messages received from API. |
| `fanout_req_body_bytes` | integer | Fanout body bytes transferred from client. |
| `fanout_req_header_bytes` | integer | Fanout header bytes transferred from client. |
| `fanout_resp_body_bytes` | integer | Fanout body bytes transferred to client. |
| `fanout_resp_header_bytes` | integer | Fanout header bytes transferred to client. |
| `fanout_send_publishes` | integer | Number of messages sent to clients. |
| `fetch_sub_count` | number | Number of executions of the 'fetch' Varnish subroutine. |
| `fetch_sub_time` | integer | Time spent inside the 'fetch' Varnish subroutine (in seconds). |
| `hash_sub_count` | number | Number of executions of the 'hash' Varnish subroutine. |
| `hash_sub_time` | integer | Time spent inside the 'hash' Varnish subroutine (in seconds). |
| `header_size` | integer | Header bytes delivered (alias for resp_header_bytes). |
| `hit_ratio` | number | Ratio of cache hits to cache misses (between 0 and 1). |
| `hit_resp_body_bytes` | integer | Body bytes delivered for cache hits. |
| `hit_sub_count` | number | Number of executions of the 'hit' Varnish subroutine. |
| `hit_sub_time` | integer | Time spent inside the 'hit' Varnish subroutine (in seconds). |
| `hits` | number | Number of cache hits. |
| `hits_time` | integer | Time spent processing cache hits (in seconds). |
| `hits_time_average` | integer | Average time spent processing cache hits (in milliseconds). |
| `http1` | integer | Number of requests received over HTTP/1.1. |
| `http2` | integer | Number of requests received over HTTP/2. |
| `http3` | integer | Number of requests received over HTTP/3(QUIC). |
| `imgopto` | integer | Number of responses that came from the Fastly Image Optimizer service. |
| `imgopto_resp_body_bytes` | integer | Body bytes delivered from the Fastly Image Optimizer service. |
| `imgopto_resp_header_bytes` | integer | Header bytes delivered from the Fastly Image Optimizer service. |
| `imgopto_shield` | integer | Number of responses delivered via a shield that came from the Fastly Image Optimizer service. |
| `imgopto_shield_resp_body_bytes` | integer | Body bytes delivered via a shield from the Fastly Image Optimizer service. |
| `imgopto_shield_resp_header_bytes` | integer | Header bytes delivered via a shield from the Fastly Image Optimizer service. |
| `imgvideo` | integer | Number of video responses that came from the Fastly Image Optimizer service. |
| `imgvideo_frames` | number | Number of video frames that came from the Fastly Image Optimizer service. A video frame is an individual image within a sequence of video. |
| `imgvideo_resp_body_bytes` | integer | Body bytes of video delivered from the Fastly Image Optimizer service. |
| `imgvideo_resp_header_bytes` | integer | Header bytes of video delivered from the Fastly Image Optimizer service. |
| `imgvideo_shield` | integer | Number of video responses delivered via a shield that came from the Fastly Image Optimizer service. |
| `imgvideo_shield_frames` | number | Number of video frames delivered via a shield that came from the Fastly Image Optimizer service. A video frame is an individual image within a sequence of video. |
| `imgvideo_shield_resp_body_bytes` | integer | Body bytes of video delivered via a shield from the Fastly Image Optimizer service. |
| `imgvideo_shield_resp_header_bytes` | integer | Header bytes of video delivered via a shield from the Fastly Image Optimizer service. |
| `ipv6` | integer | Number of requests that were received over IPv6. |
| `kv_store_class_a_operations` | number | The total number of class a operations for the KV store. |
| `kv_store_class_b_operations` | number | The total number of class b operations for the KV store. |
| `latency_0_to_1ms` | integer | Number of responses from origin with latency between 0 and 1 millisecond. |
| `latency_10000_to_60000ms` | integer | Number of responses from origin with latency between 10000 and 60000 milliseconds. |
| `latency_1000_to_5000ms` | integer | Number of responses from origin with latency between 1000 and 5000 milliseconds. |
| `latency_100_to_250ms` | integer | Number of responses from origin with latency between 100 and 250 milliseconds. |
| `latency_10_to_50ms` | integer | Number of responses from origin with latency between 10 and 50 milliseconds. |
| `latency_1_to_5ms` | integer | Number of responses from origin with latency between 1 and 5 milliseconds. |
| `latency_250_to_500ms` | integer | Number of responses from origin with latency between 250 and 500 milliseconds. |
| `latency_5000_to_10000ms` | integer | Number of responses from origin with latency between 5000 and 10000 milliseconds. |
| `latency_500_to_1000ms` | integer | Number of responses from origin with latency between 500 and 1000 milliseconds. |
| `latency_50_to_100ms` | integer | Number of responses from origin with latency between 50 and 100 milliseconds. |
| `latency_5_to_10ms` | integer | Number of responses from origin with latency between 5 and 10 milliseconds. |
| `latency_60000ms` | integer | Number of responses from origin with latency of 60,000 milliseconds and above. |
| `log` | number | Number of log lines sent. |
| `log_bytes` | integer | Log bytes sent. |
| `miss` | number | Number of cache misses. |
| `miss_resp_body_bytes` | integer | Body bytes delivered for cache misses. |
| `miss_sub_count` | number | Number of executions of the 'miss' Varnish subroutine. |
| `miss_sub_time` | integer | Time spent inside the 'miss' Varnish subroutine (in seconds). |
| `miss_time` | integer | Time spent processing cache misses (in seconds). |
| `miss_time_average` | integer | Average time spent processing cache misses (in milliseconds). |
| `object_size_100k` | integer | Number of objects served that were between 10KB and 100KB in size. |
| `object_size_100m` | integer | Number of objects served that were between 10MB and 100MB in size. |
| `object_size_10k` | integer | Number of objects served that were between 1KB and 10KB in size. |
| `object_size_10m` | integer | Number of objects served that were between 1MB and 10MB in size. |
| `object_size_1g` | integer | Number of objects served that were between 100MB and 1GB in size. |
| `object_size_1k` | integer | Number of objects served that were under 1KB in size. |
| `object_size_1m` | integer | Number of objects served that were between 100KB and 1MB in size. |
| `origin_fetch_body_bytes` | integer | Request body bytes sent to origin. |
| `origin_fetch_header_bytes` | integer | Request header bytes sent to origin. |
| `origin_fetch_resp_body_bytes` | integer | Body bytes received from origin. |
| `origin_fetch_resp_header_bytes` | integer | Header bytes received from origin. |
| `origin_fetches` | integer | Number of requests sent to origin. |
| `origin_latency` | integer | Average time to first byte on a cache miss. |
| `origin_latency_p50` | integer | Origin latency 50th percentile value. |
| `origin_latency_p95` | integer | Origin latency 95th percentile value. |
| `origin_latency_p99` | integer | Origin latency 99th percentile value. |
| `origin_offload` | number | Percentage of bytes delivered from the edge versus delivered from an origin. |
| `origin_revalidations` | integer | Number of responses received from origin with a 304 status code in response to an If-Modified-Since or If-None-Match request. Under regular scenarios, a revalidation will imply a cache hit. However, if using Fastly Image Optimizer or segmented caching, this may result in a cache miss. |
| `otfp` | integer | Number of responses that came from the Fastly On-the-Fly Packager for On Demand Streaming service for video-on-demand. |
| `otfp_deliver_time` | integer | Time spent delivering a response from the Fastly On-the-Fly Packager for On Demand Streaming service for video-on-demand (in seconds). |
| `otfp_manifests` | integer | Number of responses that were manifest files from the Fastly On-the-Fly Packager for On Demand Streaming service for video-on-demand. |
| `otfp_resp_body_bytes` | integer | Body bytes delivered from the Fastly On-the-Fly Packager for On Demand Streaming service for video-on-demand. |
| `otfp_resp_header_bytes` | integer | Header bytes delivered from the Fastly On-the-Fly Packager for On Demand Streaming service for video-on-demand. |
| `otfp_shield_resp_body_bytes` | integer | Body bytes delivered via a shield for the Fastly On-the-Fly Packager for On Demand Streaming service for video-on-demand. |
| `otfp_shield_resp_header_bytes` | integer | Header bytes delivered via a shield for the Fastly On-the-Fly Packager for On Demand Streaming service for video-on-demand. |
| `otfp_shield_time` | integer | Time spent delivering a response via a shield from the Fastly On-the-Fly Packager for On Demand Streaming service for video-on-demand (in seconds). |
| `pass` | integer | Number of requests that passed through the CDN without being cached. |
| `pass_resp_body_bytes` | integer | Body bytes delivered for cache passes. |
| `pass_sub_count` | number | Number of executions of the 'pass' Varnish subroutine. |
| `pass_sub_time` | integer | Time spent inside the 'pass' Varnish subroutine (in seconds). |
| `pass_time` | integer | Time spent processing cache passes (in seconds). |
| `pci` | integer | Number of responses with the PCI flag turned on. |
| `pipe` | number | Optional. Pipe operations performed (legacy feature). |
| `pipe_sub_count` | number | Number of executions of the 'pipe' Varnish subroutine. |
| `pipe_sub_time` | integer | Time spent inside the 'pipe' Varnish subroutine (in seconds). |
| `predeliver_sub_count` | number | Number of executions of the 'predeliver' Varnish subroutine. |
| `predeliver_sub_time` | integer | Time spent inside the 'predeliver' Varnish subroutine (in seconds). |
| `prehash_sub_count` | number | Number of executions of the 'prehash' Varnish subroutine. |
| `prehash_sub_time` | integer | Time spent inside the 'prehash' Varnish subroutine (in seconds). |
| `recv_sub_count` | number | Number of executions of the 'recv' Varnish subroutine. |
| `recv_sub_time` | integer | Time spent inside the 'recv' Varnish subroutine (in seconds). |
| `req_body_bytes` | integer | Body bytes received. |
| `req_header_bytes` | integer | Header bytes received. |
| `requests` | integer | Number of requests processed. |
| `resp_body_bytes` | integer | Body bytes delivered (edge_resp_body_bytes + shield_resp_body_bytes). |
| `resp_header_bytes` | integer | Header bytes delivered (edge_resp_header_bytes + shield_resp_header_bytes). |
| `restarts` | number | Number of restarts performed. |
| `segblock_origin_fetches` | integer | Number of Range requests to origin for segments of resources when using segmented caching. |
| `segblock_shield_fetches` | integer | Number of Range requests to a shield for segments of resources when using segmented caching. |
| `shield` | integer | Number of requests from edge to the shield POP. |
| `shield_fetch_body_bytes` | integer | Request body bytes sent to a shield. |
| `shield_fetch_header_bytes` | integer | Request header bytes sent to a shield. |
| `shield_fetch_resp_body_bytes` | integer | Response body bytes sent from a shield to the edge. |
| `shield_fetch_resp_header_bytes` | integer | Response header bytes sent from a shield to the edge. |
| `shield_fetches` | integer | Number of requests made from one Fastly data center to another, as part of shielding. |
| `shield_hit_ratio` | number | Ratio of shield hits to shield misses (between 0 and 1). |
| `shield_hit_requests` | integer | Number of requests that resulted in a hit at a shield. |
| `shield_hit_resp_body_bytes` | integer | Body bytes delivered for shield hits. |
| `shield_hit_resp_header_bytes` | integer | Header bytes delivered for shield hits. |
| `shield_miss_requests` | integer | Number of requests that resulted in a miss at a shield. |
| `shield_miss_resp_body_bytes` | integer | Body bytes delivered for shield misses. |
| `shield_miss_resp_header_bytes` | integer | Header bytes delivered for shield misses. |
| `shield_resp_body_bytes` | integer | Body bytes delivered via a shield. |
| `shield_resp_header_bytes` | integer | Header bytes delivered via a shield. |
| `shield_revalidations` | integer | Number of responses received from origin with a 304 status code, in response to an If-Modified-Since or If-None-Match request to a shield. Under regular scenarios, a revalidation will imply a cache hit. However, if using segmented caching, this may result in a cache miss. |
| `status_1xx` | integer | Number of 'Informational' category status codes delivered. |
| `status_200` | integer | Number of responses sent with status code 200 (Success). |
| `status_204` | integer | Number of responses sent with status code 204 (No Content). |
| `status_206` | integer | Number of responses sent with status code 206 (Partial Content). |
| `status_2xx` | integer | Number of 'Success' status codes delivered. |
| `status_301` | integer | Number of responses sent with status code 301 (Moved Permanently). |
| `status_302` | integer | Number of responses sent with status code 302 (Found). |
| `status_304` | integer | Number of responses sent with status code 304 (Not Modified). |
| `status_3xx` | integer | Number of 'Redirection' codes delivered. |
| `status_3xx_other` | integer | Number of all 3XX errors, excluding 301s, 302s, and 304s. |
| `status_400` | integer | Number of responses sent with status code 400 (Bad Request). |
| `status_401` | integer | Number of responses sent with status code 401 (Unauthorized). |
| `status_403` | integer | Number of responses sent with status code 403 (Forbidden). |
| `status_404` | integer | Number of responses sent with status code 404 (Not Found). |
| `status_404_rate` | number | Percentage of responses with 404 codes delivered. If there are no responses, this value will be 0%. |
| `status_406` | integer | Number of responses sent with status code 406 (Not Acceptable). |
| `status_416` | integer | Number of responses sent with status code 416 (Range Not Satisfiable). |
| `status_429` | integer | Number of responses sent with status code 429 (Too Many Requests). |
| `status_4xx` | integer | Number of 'Client Error' codes delivered. |
| `status_4xx_excl_404_rate` | number | Percentage of responses with 4xx codes delivered excluding 404. If there are no responses, this value will be 0%. |
| `status_4xx_other` | integer | Number of all 4XX errors, excluding 400s, 401s, 403, 404, 416, and 429s. |
| `status_4xx_rate` | number | Percentage of responses with 4xx codes delivered. If there are no responses, this value will be 0%. |
| `status_4xx_ratio` | number | Ratio of requests returning 4XX codes. |
| `status_500` | integer | Number of responses sent with status code 500 (Internal Server Error). |
| `status_501` | integer | Number of responses sent with status code 501 (Not Implemented). |
| `status_502` | integer | Number of responses sent with status code 502 (Bad Gateway). |
| `status_503` | integer | Number of responses sent with status code 503 (Service Unavailable). |
| `status_503_ratio` | number | Percentage of requests returning 503 codes. |
| `status_504` | integer | Number of responses sent with status code 504 (Gateway Timeout). |
| `status_505` | integer | Number of responses sent with status code 505 (HTTP Version Not Supported). |
| `status_5xx` | integer | Number of 'Server Error' codes delivered. |
| `status_5xx_non_503_ratio` | number | Percentage of requests returning 5XX errors, excluding 503s. |
| `status_5xx_other` | integer | Number of all 5XX errors, excluding 500s, 501s, 502s, 503s, 504s, and 505s. |
| `status_5xx_rate` | number | Percentage of responses with 5xx codes delivered. If there are no responses, this value will be 0%. |
| `status_gte_400_rate` | number | Percentage of responses with 4xx or 5xx codes delivered. If there are no responses, this value will be 0%. |
| `status_lt_500_rate` | number | Percentage of responses with non-5xx codes delivered. If there are no responses, this value will be 0%. |
| `synth` | integer | Number of requests that returned a synthetic response (i.e., response objects created with the synthetic VCL statement). |
| `tls` | integer | Number of requests that were received over TLS. |
| `tls_handshake_bytes` | integer | Number of bytes transferred during TLS handshake. |
| `tls_v10` | integer | Number of requests received over TLS 1.0. |
| `tls_v11` | integer | Number of requests received over TLS 1.1. |
| `tls_v12` | integer | Number of requests received over TLS 1.2. |
| `tls_v13` | integer | Number of requests received over TLS 1.3. |
| `uncacheable` | integer | Number of requests that were designated uncachable. |
| `video` | integer | Number of responses with the video segment or video manifest MIME type (i.e., application/x-mpegurl, application/vnd.apple.mpegurl, application/f4m, application/dash+xml, application/vnd.ms-sstr+xml, ideo/mp2t, audio/aac, video/f4f, video/x-flv, video/mp4, audio/mp4). |
| `websocket_bereq_body_bytes` | integer | Total message content bytes received from origin over passthrough WebSocket connections. |
| `websocket_bereq_header_bytes` | integer | Total header bytes sent to origin over passthrough WebSocket connections. |
| `websocket_beresp_body_bytes` | integer | Total message content bytes sent to origin over passthrough WebSocket connections. |
| `websocket_beresp_header_bytes` | integer | Total header bytes sent to origin over passthrough WebSocket connections. |
| `websocket_conn_time_ms` | integer | Total duration of passthrough WebSocket connections with end users. |
| `websocket_req_body_bytes` | integer | Total message content bytes received from end users over passthrough WebSocket connections. |
| `websocket_resp_body_bytes` | integer | Total message content bytes sent to end users over passthrough WebSocket connections. |
| `websocket_resp_header_bytes` | integer | Total header bytes sent to end users over passthrough WebSocket connections. |