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From "Michael McCandless (JIRA)" <>
Subject [jira] [Created] (LUCENE-3298) FST has hard limit max size of 2.1 GB
Date Sat, 09 Jul 2011 13:05:16 GMT
FST has hard limit max size of 2.1 GB

                 Key: LUCENE-3298
             Project: Lucene - Java
          Issue Type: Improvement
          Components: core/FSTs
            Reporter: Michael McCandless
            Priority: Minor

The FST uses a single contiguous byte[] under the hood, which in java is indexed by int so
we cannot grow this over Integer.MAX_VALUE.  It also internally encodes references to this
array as vInt.

We could switch this to a paged byte[] and make the far larger.

But I think this is low priority... I'm not going to work on it any time soon.

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