Houston Putman created SOLR-13773:
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Summary: Add env-var options to prometheus-exporter start script.
Key: SOLR-13773
URL: https://issues.apache.org/jira/browse/SOLR-13773
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Components: metrics
Affects Versions: master (9.0), 8.3
Reporter: Houston Putman
The startup options for the Prometheus Exporter are pretty sparse compared to
what the Solr start script offers.
I've added some options that mirror what Solr offers, such as
* SOLR_HEAP
* SOLR_JAVA_MEM
* GC_TUNE
Having just the memory settings available would let us start the prometheus
exporter with more than 500 Mb of heap, which right now isn't possible as the
max heap is [hard coded
here|https://github.com/apache/lucene-solr/blob/master/solr/contrib/prometheus-exporter/bin/solr-exporter#L107].
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