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https://issues.apache.org/jira/browse/SOLR-2888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dawid Weiss updated SOLR-2888:
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Attachment: SOLR-2888.patch
Proposed patch that fixes SOLR-2888 and SOLR-2887. This is also non-backwards
compatible API refactoring -- FSTLookup has been split into FSTCompletion (not
a Lookup subclass), there is an adapter for Lookup called FSTCompletionLookup.
These changes try to separate FSTCompletion from strings/floats used in Lookup.
An external sorting on disk has been added. I tested it locally with 40m terms
from Wikipedia -- FST construction was a memory bottleneck, everything else
nicely spills to disk. Increasing RAM to ~1.5G did construct the suggester
automaton for those 40m terms though.
Not everything done -- still some TODOs and ideas. Feel free to reiterate/
provide feedback.
> FSTSuggester should use utf8/utf32 order
> -----------------------------------------
>
> Key: SOLR-2888
> URL: https://issues.apache.org/jira/browse/SOLR-2888
> Project: Solr
> Issue Type: Improvement
> Components: spellchecker
> Reporter: Dawid Weiss
> Assignee: Dawid Weiss
> Fix For: 4.0
>
> Attachments: SOLR-2888.patch
>
>
> For some reason it uses utf16 internally. Shouldn't make much of a
> difference, really.
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