Add a LATENT FieldSelectorResult
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Key: LUCENE-1810
URL: https://issues.apache.org/jira/browse/LUCENE-1810
Project: Lucene - Java
Issue Type: Wish
Components: Search
Affects Versions: 2.4
Reporter: Tim Smith
I propose adding LATENT FieldSelectorResult
this would be similar to LAZY_LOAD except that it would NEVER cache the stored
value
This will be useful for very large fields that should always go direct to disk
(because they will take so much memory)
when caching Documents returned from a Searcher, the large field may be
initially requested as LAZY_LOAD, however once someone reads this field, it
will then get locked into memory. if this Document (and others like it) are
cached, it can start to use a very large amount of memory for these fields
Contract for FieldSelectorResult.LATENT should be that it will always be pulled
direct from the IndexInput and never be persisted in memory as part of a
Fieldable
I could prepare a patch if desired
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