Jaeger Metrics API
Endpoints for retrieving service performance metrics including latency, call rates, and error rates.
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OpenAPI Specification
openapi: 3.2.0
info:
title: Jaeger Query Dependencies Metrics API
description: The Jaeger Query API provides HTTP endpoints for retrieving trace data, service information, operations, and dependency graphs from the Jaeger distributed tracing backend. This API is exposed by the jaeger-query component and is used by the Jaeger UI and other clients to search and retrieve distributed traces collected across microservices.
version: 1.0.0
contact:
name: Jaeger Project
url: https://www.jaegertracing.io/
license:
name: Apache 2.0
url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: http://localhost:16686
description: Default Jaeger Query server
tags:
- name: Metrics
description: Endpoints for retrieving service performance metrics including latency, call rates, and error rates.
paths:
/api/metrics/latencies:
get:
operationId: getLatencyMetrics
summary: Get latency metrics
description: Retrieve latency metrics (P50, P75, P95, P99) for a service, grouped by time buckets. Requires the metrics storage backend to be configured.
tags:
- Metrics
parameters:
- name: service
in: query
required: true
description: The service name.
schema:
type: string
- name: quantile
in: query
required: true
description: The quantile to retrieve (e.g. 0.5, 0.75, 0.95, 0.99).
schema:
type: number
format: double
- name: endTs
in: query
description: End timestamp in Unix milliseconds.
schema:
type: integer
format: int64
- name: lookback
in: query
description: Duration to look back in milliseconds.
schema:
type: integer
format: int64
- name: step
in: query
description: Step duration for bucketing in milliseconds.
schema:
type: integer
format: int64
- name: ratePer
in: query
description: Rate normalization duration in milliseconds.
schema:
type: integer
format: int64
- name: spanKind
in: query
description: Filter by span kind.
schema:
type: string
responses:
'200':
description: Latency metric data points.
content:
application/json:
schema:
$ref: '#/components/schemas/MetricResponse'
'400':
description: Invalid query parameters.
'500':
description: Internal server error.
/api/metrics/calls:
get:
operationId: getCallMetrics
summary: Get call rate metrics
description: Retrieve call rate metrics for a service, grouped by time buckets. Requires the metrics storage backend to be configured.
tags:
- Metrics
parameters:
- name: service
in: query
required: true
description: The service name.
schema:
type: string
- name: endTs
in: query
description: End timestamp in Unix milliseconds.
schema:
type: integer
format: int64
- name: lookback
in: query
description: Duration to look back in milliseconds.
schema:
type: integer
format: int64
- name: step
in: query
description: Step duration for bucketing in milliseconds.
schema:
type: integer
format: int64
- name: ratePer
in: query
description: Rate normalization duration in milliseconds.
schema:
type: integer
format: int64
- name: spanKind
in: query
description: Filter by span kind.
schema:
type: string
responses:
'200':
description: Call rate metric data points.
content:
application/json:
schema:
$ref: '#/components/schemas/MetricResponse'
'400':
description: Invalid query parameters.
'500':
description: Internal server error.
/api/metrics/errors:
get:
operationId: getErrorMetrics
summary: Get error rate metrics
description: Retrieve error rate metrics for a service, grouped by time buckets. Requires the metrics storage backend to be configured.
tags:
- Metrics
parameters:
- name: service
in: query
required: true
description: The service name.
schema:
type: string
- name: endTs
in: query
description: End timestamp in Unix milliseconds.
schema:
type: integer
format: int64
- name: lookback
in: query
description: Duration to look back in milliseconds.
schema:
type: integer
format: int64
- name: step
in: query
description: Step duration for bucketing in milliseconds.
schema:
type: integer
format: int64
- name: ratePer
in: query
description: Rate normalization duration in milliseconds.
schema:
type: integer
format: int64
- name: spanKind
in: query
description: Filter by span kind.
schema:
type: string
responses:
'200':
description: Error rate metric data points.
content:
application/json:
schema:
$ref: '#/components/schemas/MetricResponse'
'400':
description: Invalid query parameters.
'500':
description: Internal server error.
/api/metrics/minstep:
get:
operationId: getMinStep
summary: Get minimum step duration
description: Retrieve the minimum time resolution (step) supported by the metrics backend.
tags:
- Metrics
responses:
'200':
description: The minimum step duration in milliseconds.
content:
application/json:
schema:
type: integer
format: int64
'500':
description: Internal server error.
components:
schemas:
MetricResponse:
type: object
description: Response containing time-series metric data.
properties:
name:
type: string
description: The name of the metric.
type:
type: string
description: The type of metric (e.g. GAUGE).
help:
type: string
description: Help text describing the metric.
metrics:
type: array
items:
type: object
properties:
labels:
type: array
items:
type: object
properties:
name:
type: string
value:
type: string
metricPoints:
type: array
items:
type: object
properties:
timestamp:
type: string
format: date-time
gaugeValue:
type: object
properties:
doubleValue:
type: number
format: double