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From "James Dyer (JIRA)" <>
Subject [jira] [Updated] (LUCENE-3298) FST has hard limit max size of 2.1 GB
Date Fri, 05 Aug 2011 21:49:27 GMT


James Dyer updated LUCENE-3298:

    Attachment: LUCENE-3298.patch

Here's a patch for this.  Not fully optimized, but possibly a start.

> FST has hard limit max size of 2.1 GB
> -------------------------------------
>                 Key: LUCENE-3298
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: core/FSTs
>            Reporter: Michael McCandless
>            Priority: Minor
>         Attachments: LUCENE-3298.patch
> 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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