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https://issues.apache.org/jira/browse/LUCENE-2127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12796823#action_12796823
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Jason Rutherglen commented on LUCENE-2127:
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Grant,
This issue could be useful and I may be able to test out the
resulting patches.
What's the specific problem with the
Sort/SortField/FieldComparator apparatus? We don't want to
generate new objects using DocComparator.value(int slot) and
store these in FieldDoc? We probably don't want to excessively
generate objects. Maybe we can figure out a way to access to the
primitive array and compare values which seems doable?
> Improved large result handling
> ------------------------------
>
> Key: LUCENE-2127
> URL: https://issues.apache.org/jira/browse/LUCENE-2127
> Project: Lucene - Java
> Issue Type: New Feature
> Reporter: Grant Ingersoll
> Assignee: Grant Ingersoll
> Priority: Minor
>
> Per
> http://search.lucidimagination.com/search/document/350c54fc90d257ed/lots_of_results#fbb84bd297d15dd5,
> it would be nice to offer some other Collectors that are better at handling
> really large number of results. This could be implemented in a variety of
> ways via Collectors. For instance, we could have a raw collector that does
> no sorting and just returns the ScoreDocs, or we could do as Mike suggests
> and have Collectors that have heuristics about memory tradeoffs and only
> heapify when appropriate.
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