Skip to content

feat(docs): add new inbound proxy metrics #2093

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
cratelyn merged 3 commits into from
Feb 27, 2026
Merged

feat(docs): add new inbound proxy metrics #2093

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
94b9612
feat(docs): add new inbound proxy metrics
cratelyn Feb 17, 2026
3df7845
chore(docs): add no-duplicate-heading linter directives
cratelyn Feb 17, 2026
a2145b8
Merge branch 'main' into kate/add-inbound-metrics
kflynn Feb 26, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
31 changes: 31 additions & 0 deletions linkerd.io/content/2-edge/reference/proxy-metrics.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -231,6 +231,7 @@ layer.
- `inbound_tcp_authz_deny_total`: A counter of the total number of TCP
connections that were denied

<!-- markdownlint-disable-next-line no-duplicate-heading -->
### Labels

Each of these metrics has the following labels:
Expand Down Expand Up @@ -307,6 +308,36 @@ The outbound proxy records the following metrics:
- `outbound_grpc_route_backend_response_frame_size_bytes`: A histogram measuring
the sizes of `DATA` frames in gRPC response bodies from a particular backend.

The inbound proxy records the following metrics:

- `inbound_http_requests_total`: A counter tracking the total number of inbound HTTP
requests received by a particular backend.
- `inbound_grpc_requests_total`: A counter tracking the total number of inbound gRPC
requests received by a particular backend.
- `inbound_http_statuses_total`: A counter tracking HTTP response status codes for
HTTP traffic received by a particular backend.
- `inbound_grpc_statuses_total`: A counter tracking gRPC response status codes for
gRPC traffic received by a particular backend.
- `inbound_http_request_duration_seconds`: A histogram measuring the time
between HTTP request initialization and HTTP response completion.
- `inbound_http_response_duration_seconds`: A histogram measuring the time in
seconds between the HTTP request completing and HTTP response completing, for
a particular backend.
- `inbound_grpc_request_duration_seconds`: A histogram measuring the time
between gRPC request initialization and gRPC response completion.
- `inbound_grpc_response_duration_seconds`: A histogram measuring the time in
seconds between the gRPC request completing and gRPC response completing, for
a particular backend.
- `inbound_http_request_frame_size_bytes`: A histogram measuring the
sizes of `DATA` frames in HTTP request bodies for a particular route.
- `inbound_http_response_frame_size_bytes`: A histogram measuring the
sizes of `DATA` frames in HTTP response bodies for a particular route.
- `inbound_grpc_request_frame_size_bytes`: A histogram measuring the
sizes of `DATA` frames in gRPC request bodies for a particular route.
- `inbound_grpc_response_frame_size_bytes`: A histogram measuring the
sizes of `DATA` frames in gRPC response bodies for a particular route.

<!-- markdownlint-disable-next-line no-duplicate-heading -->
### Labels

Each of these metrics has the following common labels, which describe the
Expand Down