Boundary integration metrics

The official Datadog integration for monitoring Boundary. It collects 21 metrics.

Definitions as of 2026-08-05

Official summary

Monitor Boundary controllers and workers.

Metric types

count (occurrences in the interval): 20
gauge (value at a point in time): 1

Metrics

Descriptions are the official definitions, unedited.

Metric	Type	Unit
`boundary.cluster.client.grpc.request_duration_seconds.bucket`Histogram of latencies for gRPC requests between the cluster and any of its clients.	count	second
`boundary.cluster.client.grpc.request_duration_seconds.count`Histogram of latencies for gRPC requests between the cluster and any of its clients.	count	second
`boundary.cluster.client.grpc.request_duration_seconds.sum`Histogram of latencies for gRPC requests between the cluster and any of its clients.	count	second
`boundary.controller.api.http.request_duration_seconds.bucket`Histogram of latencies for HTTP requests.	count	second
`boundary.controller.api.http.request_duration_seconds.count`Histogram of latencies for HTTP requests.	count	second
`boundary.controller.api.http.request_duration_seconds.sum`Histogram of latencies for HTTP requests.	count	second
`boundary.controller.api.http.request_size_bytes.bucket`Histogram of request sizes for HTTP requests.	count	byte
`boundary.controller.api.http.request_size_bytes.count`Histogram of request sizes for HTTP requests.	count	byte
`boundary.controller.api.http.request_size_bytes.sum`Histogram of request sizes for HTTP requests.	count	byte
`boundary.controller.api.http.response_size_bytes.bucket`Histogram of response sizes for HTTP responses.	count	byte
`boundary.controller.api.http.response_size_bytes.count`Histogram of response sizes for HTTP responses.	count	byte
`boundary.controller.api.http.response_size_bytes.sum`Histogram of response sizes for HTTP responses.	count	byte
`boundary.controller.cluster.grpc.request_duration_seconds.bucket`Histogram of latencies for gRPC requests.	count	second
`boundary.controller.cluster.grpc.request_duration_seconds.count`Histogram of latencies for gRPC requests.	count	second
`boundary.controller.cluster.grpc.request_duration_seconds.sum`Histogram of latencies for gRPC requests.	count	second
`boundary.worker.proxy.http.write_header_duration_seconds.bucket`Histogram of time elapsed after the TLS connection is established to when the first http header is written back from the server.	count	second
`boundary.worker.proxy.http.write_header_duration_seconds.count`Histogram of time elapsed after the TLS connection is established to when the first http header is written back from the server.	count	second
`boundary.worker.proxy.http.write_header_duration_seconds.sum`Histogram of time elapsed after the TLS connection is established to when the first http header is written back from the server.	count	second
`boundary.worker.proxy.websocket.active_connections`Count of open websocket proxy connections (to Boundary workers).	gauge	connection
`boundary.worker.proxy.websocket.received_bytes.count`Count of received bytes for Worker proxy websocket connections.	count	byte
`boundary.worker.proxy.websocket.sent_bytes.count`Count of sent bytes for Worker proxy websocket connections.	count	byte

Official documentation

Official documentation for the Boundary integration

Metric names and descriptions are the official Datadog integration definitions (Copyright Datadog, Inc., BSD-3-Clause), reproduced unedited. The full license terms are on the About page.

Official summary

Metric types

Metrics

Official documentation

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