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https://issues.apache.org/jira/browse/KYLIN-1099?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dong Li updated KYLIN-1099:
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Attachment:
2.x-0001-KYLIN-1099-Support-dictionary-of-cardinality-over-10.patch
1.x-0001-KYLIN-1099-Remove-dedup-in-dictionary-value-enumerat.patch
Patch for 2.x submitted, also have a patch for 1.x to optimize some perf.
> Support dictionary of cardinality over 10 millions
> --------------------------------------------------
>
> Key: KYLIN-1099
> URL: https://issues.apache.org/jira/browse/KYLIN-1099
> Project: Kylin
> Issue Type: Bug
> Reporter: liyang
> Assignee: liyang
> Attachments: 1.x -
> 0001-KYLIN-1099-Support-dictionary-of-cardinality-over-10.patch,
> 1.x-0001-KYLIN-1099-Remove-dedup-in-dictionary-value-enumerat.patch,
> 2.x-0001-KYLIN-1099-Support-dictionary-of-cardinality-over-10.patch
>
>
> Many use cases involve columns with high cardinality over 10 millions.
> Dictionary should be supported on these columns assuming mem is sufficient.
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