Michael Gibney created SOLR-16677:
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             Summary: Update Solr to use new Lucene 9.5 storedFields() API
                 Key: SOLR-16677
                 URL: https://issues.apache.org/jira/browse/SOLR-16677
             Project: Solr
          Issue Type: Improvement
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: Michael Gibney


Solr should migrate Lucene's {{LeafReader.storedFields()}} API ([new as of 
Lucene 9.5|https://github.com/apache/lucene/pull/11998]) in place of the 
now-deprecated {{LeafReader.document()}} API (and associated 
{{CloseableThreadLocal}} approach).

A significant amount of heap space can be retained by the deprecated approach, 
particularly in many-segment, many-thread use cases (look for 
CompressedStoredFieldsReader in heap dumps).



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