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From "Maciej Lisiewski (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2968) Hunspell very high memory use when loading dictionary
Date Wed, 14 Dec 2011 13:49:32 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13169356#comment-13169356
] 

Maciej Lisiewski commented on SOLR-2968:
----------------------------------------

The last time I checked Morfologik was just mentioned as a possible new stemmer - I have used
it before and I prefers it to Stempel/Hunspell, so I guess this solves my problem for now,
thanks :-)

As for Hunspell IMHO 2GB heap just to load dictionary makes it borderline unusable for some
languages.
                
> Hunspell very high memory use when loading dictionary
> -----------------------------------------------------
>
>                 Key: SOLR-2968
>                 URL: https://issues.apache.org/jira/browse/SOLR-2968
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 3.5
>            Reporter: Maciej Lisiewski
>            Priority: Minor
>
> Hunspell stemmer requires gigantic (for the task) amounts of memory to load dictionary/rules
files. 
> 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:
> http://pastebin.com/fSrdd5W1
> http://pastebin.com/Lmi0re7Z

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