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From "Tom Hill (JIRA)" <>
Subject [jira] Created: (LUCENE-1981) Allow access to entries in the field cache
Date Tue, 13 Oct 2009 16:59:31 GMT
Allow access to entries in the field cache

                 Key: LUCENE-1981
             Project: Lucene - Java
          Issue Type: New Feature
          Components: Search
    Affects Versions: 2.9
            Reporter: Tom Hill
            Priority: Minor

If the data required is already in the field cache, it seems unnecessary to go to the disk
for it, if the data is already in RAM.

We have a case where we need one field from a large number (500 -1000) of scattered documents
in a fairly large index (50-100m docs), and seek time to collect the data from disk is prohibitive,
so we'd like to grab the data from the cache, instead.

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