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https://issues.apache.org/jira/browse/HIVE-20468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nishant Bangarwa updated HIVE-20468:
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Component/s: Druid integration
> Add ability to skip creating druid bitmap indexes for specific string
> dimensions
> --------------------------------------------------------------------------------
>
> Key: HIVE-20468
> URL: https://issues.apache.org/jira/browse/HIVE-20468
> Project: Hive
> Issue Type: New Feature
> Components: Druid integration
> Reporter: Nishant Bangarwa
> Assignee: Nishant Bangarwa
> Priority: Major
>
> Currently we create bitmap index for all druid dimensions.
> For some columns (e.g Free form text, high cardinality columns that are
> rarely filtered upon), It may be beneficial to skip creating druid bitmap
> index and save disk space.
> In druid https://github.com/apache/incubator-druid/pull/5402 added support
> for creating string dimension columns without bitmap indexes.
> This task is to add similar option when indexing data from hive.
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