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https://issues.apache.org/jira/browse/SOLR-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13170921#comment-13170921
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Chris Male commented on SOLR-2968:
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I don't see any problem mandating that overrides/customizations adhere to a
sorted order. I don't think we can assume custom dictionaries are going to be
small - there's nothing in the APIs which force that. Using FSTs gives us the
performance benefit we're seeking in this issue, I think the small sacrifice is
worth the huge benefit.
> 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
> Attachments: patch.txt
>
>
> 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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