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https://issues.apache.org/jira/browse/SPARK-20537?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Li updated SPARK-20537:
----------------------------
Fix Version/s: (was: 2.2.1)
(was: 2.3.0)
2.2.0
> OffHeapColumnVector reallocation may not copy existing data
> -----------------------------------------------------------
>
> Key: SPARK-20537
> URL: https://issues.apache.org/jira/browse/SPARK-20537
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.1.0
> Reporter: Kazuaki Ishizaki
> Assignee: Kazuaki Ishizaki
> Fix For: 2.2.0
>
>
> As SPARK-20474 revealed, reallocation in {{OnHeapColumnVector}} may copy a
> part of the original storage.
> {{OffHeapColumnVector}} reallocation also copies to the new storage data up
> to {{elementsAppended}}. This variable is only updated when using the
> ColumnVector.appendX API, while ColumnVector.putX is more commonly used.
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