Fadi Mohsen created SOLR-14837:
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Summary: prometheus-exporter: different metrics ports publishes
mixed metrics
Key: SOLR-14837
URL: https://issues.apache.org/jira/browse/SOLR-14837
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Fadi Mohsen
when calling SolrExporter.main "pro-grammatically"/"same JVM" with two
different solr masters asking to publish the metrics on two different ports,
the metrics are being mixed on both metric endpoints from the two solr masters.
This was tracked down to a static variable called *defaultRegistry*:
https://github.com/apache/lucene-solr/blob/master/solr/contrib/prometheus-exporter/src/java/org/apache/solr/prometheus/exporter/SolrExporter.java#L86
removing the static keyword fixes the issue.
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