Adrien Grand created LUCENE-4847:
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Summary: Sorter API: Fully reuse docs enums
Key: LUCENE-4847
URL: https://issues.apache.org/jira/browse/LUCENE-4847
Project: Lucene - Core
Issue Type: Improvement
Reporter: Adrien Grand
Assignee: Adrien Grand
Priority: Minor
Fix For: 4.3
SortingAtomicReader reuses the filtered docs enums but not the wrapper. In the
case of SortingAtomicReader this can be a problem because the wrappers are
heavyweight (they load the whole postings list into memory), so an index with
many terms with high freqs will make the JVM allocate a lot of memory when
browsing the postings lists.
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