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Posted to issues@lucene.apache.org by "Bruno Roustant (Jira)" <ji...@apache.org> on 2020/02/28 10:06:00 UTC
[jira] [Resolved] (LUCENE-9245) Reduce AutomatonTermsEnum memory
usage
[ https://issues.apache.org/jira/browse/LUCENE-9245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bruno Roustant resolved LUCENE-9245.
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Fix Version/s: 8.5
Resolution: Fixed
> Reduce AutomatonTermsEnum memory usage
> --------------------------------------
>
> Key: LUCENE-9245
> URL: https://issues.apache.org/jira/browse/LUCENE-9245
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Bruno Roustant
> Assignee: Bruno Roustant
> Priority: Minor
> Fix For: 8.5
>
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> Reduce AutomatonTermsEnum memory usage. It uses a long[] with size = number of automaton states, which may be large. Instead we can reduce to short[] with slightly faster performance. (I tried a FixedBitSet, but it requires to clear and this impacts negatively performance)
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