Michael McCandless created LUCENE-6105:
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Summary: Don't create root arc cache for tiny FSTs
Key: LUCENE-6105
URL: https://issues.apache.org/jira/browse/LUCENE-6105
Project: Lucene - Core
Issue Type: Improvement
Components: core/FSTs
Reporter: Michael McCandless
Assignee: Michael McCandless
Fix For: Trunk, 5.x, 4.10
The purpose of the root arc cache is to speed up lookups for ASCII terms, but
it adds high overhead if the FST is already tiny.
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