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Metrics changed from SmallRye to Micrometer

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keycloak/keycloak#15234
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Alexander Schwartz 2022-12-05 11:50:56 +01:00 committed by Pedro Igor
parent 9c251be1a2
commit 66cf4ddd94
4 changed files with 42 additions and 0 deletions
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release_notes/index.adoc
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@ -13,6 +13,10 @@ include::topics/templates/document-attributes-community.adoc[]
:release_header_latest_link: {releasenotes_link_latest} :release_header_latest_link: {releasenotes_link_latest}
include::topics/templates/release-header.adoc[] include::topics/templates/release-header.adoc[]
== {project_name_full} 21.0.0
include::topics/21_0_0.adoc[leveloffset=2]
== {project_name_full} 20.0.0 == {project_name_full} 20.0.0
include::topics/20_0_0.adoc[leveloffset=2] include::topics/20_0_0.adoc[leveloffset=2]

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release_notes/topics/21_0_0.adoc Normal file
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= Keycloak uses Micrometer for metrics
Keycloak provides an optional a metrics endpoint which exports metrics in the Prometheus format.
In this release the implementation to provide this data switched from SmallRye to Micrometer.
Due to this change, metrics have been renamed.
See the migration guide for details.

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upgrading/topics/keycloak/changes-21_0_0.adoc Normal file
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= Keycloak uses Micrometer for metrics
Keycloak provides an optional a metrics endpoint which exports metrics in the Prometheus format.
In this release the implementation to provide this data switched from SmallRye to Micrometer, which is the https://quarkus.io/guides/micrometer[recommended metrics library for Quarkus].
Due to this change, metrics have been renamed.
The following table shows some examples.
Before upgrading it is recommended to review all metrics returned from the endpoint before and after the change, and update their usage in dashboards and alerts.
.Examples of changed metrics names
|===
|Old metric name |New metric name
|`base_gc_total`
|`jvm_gc_pause_seconds_count`
|`base_gc_time_total_seconds`
|`jvm_gc_pause_seconds_sum`
|`base_thread_count`
|`jvm_threads_live_threads`
|`vendor_agroal_*`
|`agroal_*`
|===

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upgrading/topics/keycloak/changes.adoc
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@ -1,5 +1,9 @@
== Migration Changes == Migration Changes
=== Migrating to 21.0.0
include::changes-21_0_0.adoc[leveloffset=3]
=== Migrating to 20.0.0 === Migrating to 20.0.0
include::changes-20_0_0.adoc[leveloffset=3] include::changes-20_0_0.adoc[leveloffset=3]