[jira] [Created] (LUCENE-4678) FST should use paged byte[] instead of single contiguous byte[]

["Michael McCandless (JIRA)" <ji...@apache.org>]

Michael McCandless created LUCENE-4678:
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             Summary: FST should use paged byte[] instead of single contiguous byte[]
                 Key: LUCENE-4678
                 URL: https://issues.apache.org/jira/browse/LUCENE-4678
             Project: Lucene - Core
          Issue Type: Improvement
          Components: core/FSTs
            Reporter: Michael McCandless
            Assignee: Michael McCandless
             Fix For: 4.2, 5.0


The single byte[] we use today has several limitations, eg it limits us to < 2.1 GB FSTs (and suggesters in the wild are getting close to this limit), and it causes big RAM spikes during building when a the array has to grow.

I took basically the same approach as LUCENE-3298, but I want to break out this patch separately from changing all int -> long for > 2.1 GB support.

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