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This filter should be configured with the name envoy.filters.http.grpc_stats.
This filter can be enabled to emit a filter state object
This is a filter which enables telemetry of gRPC calls. Additionally, the filter detects message boundaries in streaming gRPC calls and emits the message counts for both the request and the response.
More info: wire format in gRPC over HTTP/2.
The filter emits statistics in the cluster.<route target cluster>.grpc. namespace. Depending on the configuration, the stats may be prefixed with <grpc service>.<grpc method>.; the stats in the table below are shown in this form. See the documentation for individual_method_stats_allowlist and stats_for_all_methods.
To enable upstream_rq_time (v3 API only) see enable_upstream_stats.
Name | Type | Description |
|---|---|---|
<grpc service>.<grpc method>.success | Counter | Total successful service/method calls |
<grpc service>.<grpc method>.failure | Counter | Total failed service/method calls |
<grpc service>.<grpc method>.total | Counter | Total service/method calls |
<grpc service>.<grpc method>.request_message_count | Counter | Total request message count for service/method calls |
<grpc service>.<grpc method>.response_message_count | Counter | Total response message count for service/method calls |
<grpc service>.<grpc method>.upstream_rq_time | Histogram | Request time milliseconds |
