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https://issues.apache.org/jira/browse/LUCENE-8859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16863810#comment-16863810
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Jim Ferenczi commented on LUCENE-8859:
--------------------------------------
Here is a patch that exposes an option to force the load on-heap, off-heap or
auto (make the decision based on the type of directory that is used, e.g.: mmap
vs others). [^LUCENE-8859.patch]
> 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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