David Smiley created SOLR-14393:
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             Summary: Remove dubious jmx / metrics categories
                 Key: SOLR-14393
                 URL: https://issues.apache.org/jira/browse/SOLR-14393
             Project: Solr
          Issue Type: Task
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: David Smiley


When I look at Solr's metrics or browse the JMX tree or even in Solr's admin UI 
in certain areas, I see that many parts of the original & fast vector 
highlighter are present here under the category HIGHLIGHTER.  I don't think 
they should be; they don't warrant it.  Who cares how many times 
{{HIGHLIGHTER.SolrFormatter.default.requests}} has been used?  One could argue 
_any_ number of these and just about any class in the whole system might be 
interesting to know in some perf investigation so why are these so special.  
They aren't.  For that matter, nor is SPELLCHECK and some others.

It might be interesting for SearchHandler to report metrics on the components 
that are there and how often they are used.  _That_ would be cool.  But down to 
the detail of which internal components are used _within_ a SearchComponent is 
a bit much.

CC [~ab]



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