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Add custom metrics to micrometer#479

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qligier wants to merge 3 commits into
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feat/metrics2
Open

Add custom metrics to micrometer#479
qligier wants to merge 3 commits into
mainfrom
feat/metrics2

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@qligier qligier commented Mar 10, 2026

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Pull request overview

This PR adds Matchbox-specific Micrometer metrics and wires them into key validation/transformation endpoints, plus exposes gauges for cached engines and installed ImplementationGuides.

Changes:

  • Introduces MatchboxMetrics (counters + timer) and a Spring MatchboxMetricsConfig to register meters/gauges.
  • Increments validation/transformation counters from $validate, Gazelle validation, and $transform, and records validation duration.
  • Extends MatchboxImplementationGuideProvider with count() and implements it in R4/R4B/R5 IG providers; imports the metrics config in the main Spring application.

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 6 comments.

Show a summary per file
File Description
matchbox-server/src/main/java/ch/ahdis/matchbox/validation/gazelle/GazelleValidationWs.java Increments validation metric on Gazelle validation endpoint
matchbox-server/src/main/java/ch/ahdis/matchbox/validation/ValidationProvider.java Increments validation metric and records validation duration
matchbox-server/src/main/java/ch/ahdis/matchbox/util/metrics/MatchboxMetrics.java New metrics holder (counters + timer)
matchbox-server/src/main/java/ch/ahdis/matchbox/packages/MatchboxImplementationGuideProvider.java Adds count() API for installed IGs
matchbox-server/src/main/java/ch/ahdis/matchbox/packages/ImplementationGuideProviderR5.java Implements count()
matchbox-server/src/main/java/ch/ahdis/matchbox/packages/ImplementationGuideProviderR4B.java Implements count()
matchbox-server/src/main/java/ch/ahdis/matchbox/packages/ImplementationGuideProviderR4.java Implements count()
matchbox-server/src/main/java/ch/ahdis/matchbox/mappinglanguage/StructureMapTransformProvider.java Increments transformation metric on $transform
matchbox-server/src/main/java/ch/ahdis/matchbox/config/MatchboxMetricsConfig.java New config registering gauges and MatchboxMetrics bean
matchbox-server/src/main/java/ca/uhn/fhir/jpa/starter/Application.java Imports MatchboxMetricsConfig

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2 participants