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https://issues.apache.org/jira/browse/LUCENE-6105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14241260#comment-14241260
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Robert Muir commented on LUCENE-6105:
-------------------------------------
This change looks great!
I am just worried about 4.10.3, it seems like bad timing to make a last minute
FST change. Can we be conservative here? I would prefer we make this change
normally and if its appropriate, finds its way to 4.10.4. Bug fix releases are
supposed to be easy.
> 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: Bug
> Components: core/FSTs
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: Trunk, 5.x, 4.10.x
>
> Attachments: LUCENE-6105.patch
>
>
> 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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