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From "Dawid Weiss (Commented) (JIRA)" <>
Subject [jira] [Commented] (SOLR-2968) Hunspell very high memory use when loading dictionary
Date Fri, 16 Dec 2011 07:54:30 GMT


Dawid Weiss commented on SOLR-2968:

Looks good to me from looking at the diff. Btw., we really should pull out the getOutputForInput(FST,
input) logic currently present in lookupOrd somewhere where it's reusable -- I've seen it
in a few places (or needed it a few times)... 
> Hunspell very high memory use when loading dictionary
> -----------------------------------------------------
>                 Key: SOLR-2968
>                 URL:
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 3.5
>            Reporter: Maciej Lisiewski
>            Priority: Minor
>         Attachments: patch.txt
> Hunspell stemmer requires gigantic (for the task) amounts of memory to load dictionary/rules
> For example loading a 4.5 MB polish dictionary (with empty index!) will cause whole core
to crash with various out of memory errors unless you set max heap size close to 2GB or more.
> By comparison Stempel using the same dictionary file works just fine with 1/8 of that
(and possibly lower values as well).
> Sample error log entries:

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