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https://issues.apache.org/jira/browse/KYLIN-1851?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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XIE FAN updated KYLIN-1851:
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Attachment: 0001-KYLIN-1851-unfinished-add-TrieDictionaryForest-and-N.patch
> Improve build dictionary, consider that input is already sorted
> ---------------------------------------------------------------
>
> Key: KYLIN-1851
> URL: https://issues.apache.org/jira/browse/KYLIN-1851
> Project: Kylin
> Issue Type: Bug
> Reporter: liyang
> Attachments:
> 0001-KYLIN-1851-unfinished-add-TrieDictionaryForest-and-N.patch
>
>
> Currently dictionary build may encounter OOM when cardinality is huge. This
> can benefit from that the input (which is the output of FactDistinctColumn
> reducer) is already sorted.
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