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https://issues.apache.org/jira/browse/SPARK-8354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Rosen resolved SPARK-8354.
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Resolution: Fixed
Fix Version/s: 1.4.1
1.5.0
Issue resolved by pull request 6809
[https://github.com/apache/spark/pull/6809]
> Fix off-by-factor-of-8 error when allocating scratch space in
> UnsafeFixedWidthAggregationMap
> --------------------------------------------------------------------------------------------
>
> Key: SPARK-8354
> URL: https://issues.apache.org/jira/browse/SPARK-8354
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Josh Rosen
> Assignee: Josh Rosen
> Fix For: 1.5.0, 1.4.1
>
>
> UnsafeFixedWidthAggregationMap contains an off-by-factor-of-8 error when
> allocating row conversion scratch space: we take a size requirement, measured
> in bytes, then allocate a long array of that size. This means that we end up
> allocating 8x too much conversion space.
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