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https://issues.apache.org/jira/browse/HIVE-20932?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16694846#comment-16694846
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slim bouguerra commented on HIVE-20932:
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[~nishantbangarwa] This should enable Vectorize pipeline thus less object
creation and SIMD on arithmetic therefore faster of course in theory :D ....
Working on real benchmark.
> Vectorize Druid Storage Handler Reader
> --------------------------------------
>
> Key: HIVE-20932
> URL: https://issues.apache.org/jira/browse/HIVE-20932
> Project: Hive
> Issue Type: Improvement
> Reporter: slim bouguerra
> Assignee: slim bouguerra
> Priority: Major
> Attachments: HIVE-20932.3.patch, HIVE-20932.4.patch,
> HIVE-20932.5.patch, HIVE-20932.patch
>
>
> This patch aims at adding support for vectorize read of data from Druid to
> Hive.
> [~t3rmin4t0r] suggested that this will improve the performance of the top
> level operators that supports vectorization.
> As a first cut am just adding a wrapper around the existing Record Reader to
> read up to 1024 row at a time.
> Future work will be to avoid going via old reader and convert straight the
> Json (smile format) to Vector primitive types.
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