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https://issues.apache.org/jira/browse/KYLIN-1851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15365546#comment-15365546
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Shaofeng SHI commented on KYLIN-1851:
-------------------------------------
If this enhancement is performed in a reducer, KYLIN-1178 will be solved
together.
> Imrpove 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
>
> 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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