[jira] [Created] (SOLR-8892) Allow SolrInfoMBeans to return different statistics for /jmx vs web ui calls

["Gregory Chanan (JIRA)" <ji...@apache.org>]

Gregory Chanan created SOLR-8892:
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             Summary: Allow SolrInfoMBeans to return different statistics for /jmx vs web ui calls
                 Key: SOLR-8892
                 URL: https://issues.apache.org/jira/browse/SOLR-8892
             Project: Solr
          Issue Type: Bug
          Components: JMX, web gui
    Affects Versions: 6.0
            Reporter: Gregory Chanan
            Assignee: Gregory Chanan
             Fix For: 6.1, trunk


Discussed this with [~markmiller].  SOLR-8869 allows us to not return field cache entries from the SolrFieldCacheMBean.  It would be nice to be a little more flexible about this; the reason SOLR-8869 was useful was that the field cache printing was expensive due to periodic monitoring calls to /jmx.  But turning off the field cache entry printing via SOLR-8869 also turns it off from the web ui.  It can be useful for users and admins to be able to view the cache entries there, non-periodically, without paying a performance penalty due to /jmx calls.

The proposal here is to allow SolrInfoMBeans to define statistics to be returned specificially for jmx purposes and to implement a specific instance of this for the SolrFieldCacheMBean.



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