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https://issues.apache.org/jira/browse/LUCENE-9286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17079166#comment-17079166
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Dawid Weiss commented on LUCENE-9286:
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Thank you, Bruno! All I did was complaining. :)
> FST arc.copyOf clones BitTables and this can lead to excessive memory use
> -------------------------------------------------------------------------
>
> Key: LUCENE-9286
> URL: https://issues.apache.org/jira/browse/LUCENE-9286
> Project: Lucene - Core
> Issue Type: Bug
> Affects Versions: 8.5
> Reporter: Dawid Weiss
> Assignee: Bruno Roustant
> Priority: Major
> Fix For: 8.6
>
> Attachments: screen-[1].png
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> I see a dramatic increase in the amount of memory required for construction
> of (arguably large) automata. It currently OOMs with 8GB of memory consumed
> for bit tables. I am pretty sure this didn't require so much memory before
> (the automaton is ~50MB after construction).
> Something bad happened in between. Thoughts, [~broustant], [~sokolov]?
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