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nats-io / nats.net Public

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Add OTel metrics support#1154

Merged

mtmk merged 23 commits into

release/3.0nats-io/nats.net:release/3.0from

otel-metrics-meternats-io/nats.net:otel-metrics-meterCopy head branch name to clipboard

May 30, 2026

Conversation Commits23 (23)Checks Files changed

Merged

Add OTel metrics support#1154
mtmk merged 23 commits into
release/3.0from
otel-metrics-meter

Commits

Commits on May 22, 2026

otel: add Meter and metric instruments
mtmk
committed
otel: emit published.messages counter on publish
mtmk
committed
otel: emit consumed.messages counter on receive
mtmk
committed
otel: add NATS.Client.OpenTelemetry package and public NatsTelemetry constant
mtmk
committed

Commits on May 26, 2026

otel: emit active_subscriptions updown counter
mtmk
committed
otel: record operation.duration histogram for publish and request
mtmk
committed
otel: record operation.duration histogram for subscribe
mtmk
committed
otel: increment reconnects counter on successful reconnect
mtmk
committed
docs: document NATS.Net meter and metric instruments [no ci]
mtmk
committed
otel: cache per-connection metric tag prefix with boxed port
mtmk
committed
otel: add sent/received bytes counters
mtmk
committed
examples: add MeterProvider with NATS metrics to OTel example
mtmk
committed
otel: use connect URI host/port for server.address/server.port
mtmk
committed
examples: wire OTel logs and route NATS internal logs to OTLP
mtmk
committed
otel: move published.messages increment to CommandWriter
mtmk
committed
test: fix Reconnect_counter race against initial ConnectionOpened
mtmk
committed

Commits on May 28, 2026

otel: set advisory buckets on operation.duration histogram
mtmk
committed
test: cover active-subs decrement on connection dispose
mtmk
committed
Revert "test: cover active-subs decrement on connection dispose"
mtmk
committed
otel: address code-review findings
mtmk
committed

Commits on May 29, 2026

Merge remote-tracking branch 'origin/release/3.0' into otel-metrics-meter
mtmk
committed
otel: moving otel pkg out
mtmk
committed
fmt: cleat empty line
mtmk
committed

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