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From "Michael McCandless (JIRA)" <>
Subject [jira] [Created] (LUCENE-3209) Memory codec
Date Thu, 16 Jun 2011 23:07:47 GMT
Memory codec

                 Key: LUCENE-3209
             Project: Lucene - Java
          Issue Type: Improvement
          Components: core/index
            Reporter: Michael McCandless
            Assignee: Michael McCandless
             Fix For: 4.0

This codec stores all terms/postings in RAM.  It uses an
FST<BytesRef>.  This is useful on a primary key field to ensure
lookups don't need to hit disk, to keep NRT reopen time fast even
under IO contention.

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