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https://issues.apache.org/jira/browse/ARROW-2294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17659321#comment-17659321
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Rok Mihevc commented on ARROW-2294:
-----------------------------------
This issue has been migrated to [issue
#18248|https://github.com/apache/arrow/issues/18248] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [Java] Fix splitAndTransfer for variable width vector
> -----------------------------------------------------
>
> Key: ARROW-2294
> URL: https://issues.apache.org/jira/browse/ARROW-2294
> Project: Apache Arrow
> Issue Type: Bug
> Components: Java
> Reporter: Siddharth Teotia
> Priority: Major
>
> When we splitAndTransfer a vector, the value count to set for the target
> vector should be equal to split length and not the value count of source
> vector.
> We have seen cases in operator slike FLATTEN and under low memory conditions,
> we end up allocating a lot more memory for the target vector because of using
> a large value in setValueCount after split and transfer is done.
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