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With the removal and deprecation of the Prometheus Exporter, users will be encouraged to adopt alternative solutions such as the OTel collector. For those requiring pre-aggregation filtering or custom solutions, tools like Telegraf can be recommended. Deprecating this also is a benefit of no longer needing to maintain this. There are many open source solutions for exporters that I would argue does better than Solr's Prometheus Exporters and fits many other metrics pipelines. No need to re-invent the wheel.

JVM Metrics Collection

JVM metrics can be collected using the Open Telemetry runtime-telemetry-java17, which gathers comprehensive metric sets from JFR and JMX. We can also programmatically filter what metrics we want based JfrFeatures available giving further filtering for users. See the runtime-telemetry-java17 JfrFeature table.

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