perosb commented on issue #705:
URL: https://github.com/apache/solr-operator/issues/705#issuecomment-2157850924

   > Did a bit of digging and I think the cause is because of the metrics api 
in Solr being different from 8->9. Solr 8: ` 
"ADMIN./admin/ping.totalTime":4869095628, 
"ADMIN./admin/ping.distrib.totalTime":2035581611, 
"ADMIN./admin/ping.local.totalTime":0,`
   > 
   > Solr 9: `"ADMIN./admin/ping.totalTime":3739370399, 
"ADMIN./admin/ping.totalTime":3994744966,`
   > 
   > I think the prometheus exporter is scraping Solr 8's api but didn't append 
the correct labels of `distrib`. Solr 9 had a 
[change](https://issues.apache.org/jira/browse/SOLR-14401) that removed 
`distrib` and that kind of fixed the problem in Solr 9. I haven't actually 
tested this and just did digging but the config in needs to be changed for Solr 
8's prometheus exporter to probably remove the duplicate metric. I'd give it a 
shot if I were you or maybe delete the `<str 
name="expr">solr\.core\..*:ADMIN\..*</str>` line to remove that metric from 
being output from the prometheus exporter
   
   Thanks for digging into this.
   I removed the ADMIN parts from exporter config and those duplicates are 
gone, however the more important metrics for QUERY still occur. These metrics 
are more interesting and should probably stay.


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