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https://issues.apache.org/jira/browse/ARROW-5197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16823713#comment-16823713
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Yurui Zhou commented on ARROW-5197:
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oh yeah, you are right. There may some overlap on the work.
> [Java] Improving Arrow Vector Reading performance
> -------------------------------------------------
>
> Key: ARROW-5197
> URL: https://issues.apache.org/jira/browse/ARROW-5197
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Java
> Reporter: Yurui Zhou
> Assignee: Yurui Zhou
> Priority: Major
>
> Currently the read interface of Java Arrow Vector is quite slow because the
> access operation has to go through validity bit check and boundary check
> before it can actually load the data. Such a safety check incurs unnecessary
> overhead in actually computation.
> The Arrow Vector and ArrowBuf should expose unsafe methods for advanced users
> to directly access underlying data without null check and boundary check.
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