MongoDB Metrics - Trace0

Introduction

Trace0 provides detailed metrics for MongoDB, based on the OpenTelemetry semantic conventions for client operations. To view metrics for MongoDB for a service, click into the Metrics section, click the View more link for your service, then click the MongoDB toggle. MongoDB Request Metrics Light

MongoDB Request Metrics Light

MongoDB Request Metrics Dark

MongoDB Connection Pool Metrics Light

MongoDB Connection Pool Metrics Dark

Displayed Metrics

We currently display the following MongoDB metrics, broken into Requests and Connection Pools sections. The metrics are displayed either as a single value or as a chart.

Requests
Connection Pools

Single Value

Metric	Unit
Request Count	Number
Requests per Second	Number
Request Latency P99	Time (ms, s)
Error Rate	Percentage

Chart

Metric	Description	Chart Type
Request Count by Collection	Number of database requests grouped by collection	Horizontal Bar chart
P99 Latency by Collection	P99 request latency grouped by collection	Horizontal Bar chart
Request Count by Operation	Number of database requests grouped by operation	Horizontal Bar chart
P99 Latency by Operation	P99 request latency grouped by operation	Horizontal Bar chart
Request Count Over Time	Number of database requests over time	Vertical Bar chart
Latency Over Time	P50, P75, P90, P95, and P99 request latency over time	Line chart

Examples

See our example apps for working services that uses MongoDB with Trace0 installed:

Example	Environment
Node.js Docker MongoDB example app	Docker (local)