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https://issues.apache.org/jira/browse/HIVE-18448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16353805#comment-16353805
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Zoltan Haindrich commented on HIVE-18448:
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I always wanted to file a ticket for this...its sometimes problematic to keep
the index related things around; since 3.0 will be a major release currently we
might have a chance to drop support for it.
> Drop Support For Indexes From Apache Hive
> -----------------------------------------
>
> Key: HIVE-18448
> URL: https://issues.apache.org/jira/browse/HIVE-18448
> Project: Hive
> Issue Type: Improvement
> Components: Indexing
> Reporter: BELUGA BEHR
> Assignee: Zoltan Haindrich
> Priority: Minor
> Attachments: HIVE-18448.01wip01.patch
>
>
> If a user needs to look up a small subset of records quickly, they can use
> Apache HBase, if they need fast retrieval of larger sets of data, or fast
> joins, aggregations, they can use Apache Impala. It seems to me that Hive
> indexes do not serve much of a role in the future of Hive.
> Even without moving workloads to other products, columnar file formats with
> their statistics achieve similar goals as Hive indexes.
> Please consider dropping Indexes from the Apache Hive project.
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