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https://issues.apache.org/jira/browse/CAMEL-21854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17935127#comment-17935127
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Pasquale Congiusti commented on CAMEL-21854:
--------------------------------------------
https://github.com/apache/camel/pull/17445
> Possible memory leak when using camel-observability
> ---------------------------------------------------
>
> Key: CAMEL-21854
> URL: https://issues.apache.org/jira/browse/CAMEL-21854
> Project: Camel
> Issue Type: Bug
> Components: camel-micrometer
> Affects Versions: 4.10.2
> Reporter: Bjørnar Ruud
> Assignee: Pasquale Congiusti
> Priority: Minor
> Fix For: 4.10.3, 4.11.0
>
>
>
> After setting up Micrometer Observations with @CamelObservation on a
> spring-boot application the MicrometerObservationTracer handling of log
> statements in a route is problematic when log statements is not static.
> If we use the ${body} in a log statement we create a new tracing metric for
> each unique body processed by the application.
> A simple route like will create 10000 tracer metrics the application needs to
> keep in memory:
> {code:java}
> from("timer:java?period=100")
> .setBody()
> .simple("${random(10000)}")
> .log("Lets create a lot of metrics: ${body}"); {code}
>
> The problem will be a lot worse if the body is always unique and of a
> significant size.
> A example of the problem can be found
> [here|https://github.com/bjoraru/camel-observation-metrics-problem].
> Keep it running for a few minutes and check
> http://localhost:8080/actuator/metrics
>
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