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https://issues.apache.org/jira/browse/LUCENE-8859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16866424#comment-16866424
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Adrien Grand commented on LUCENE-8859:
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I don't think it would be too bad since reading the FST also effectively loads
data in the filesystem cache, though it would be cleaner if we could only
preload if the FST is read offheap?
> Add an option to load the completion suggester's FST off-heap
> -------------------------------------------------------------
>
> Key: LUCENE-8859
> URL: https://issues.apache.org/jira/browse/LUCENE-8859
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Jim Ferenczi
> Priority: Minor
> Attachments: LUCENE-8859.patch
>
>
> Now that FSTs can be loaded off-heap
> (https://issues.apache.org/jira/browse/LUCENE-8635) it would be nice to
> expose this option in the completion suggester postings format. I didn't ran
> any benchmark yet so I can't say it this really makes sense or not but I
> wanted to get some opinion whether this could be a good trade-off.
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