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Posted to jira@arrow.apache.org by "Neal Richardson (Jira)" <ji...@apache.org> on 2021/10/12 20:14:00 UTC
[jira] [Resolved] (ARROW-14025) [R][C++] PreBuffer is not enabled
when scanning parquet via exec nodes
[ https://issues.apache.org/jira/browse/ARROW-14025?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Neal Richardson resolved ARROW-14025.
-------------------------------------
Resolution: Fixed
Issue resolved by pull request 11386
[https://github.com/apache/arrow/pull/11386]
> [R][C++] PreBuffer is not enabled when scanning parquet via exec nodes
> ----------------------------------------------------------------------
>
> Key: ARROW-14025
> URL: https://issues.apache.org/jira/browse/ARROW-14025
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++, R
> Reporter: Weston Pace
> Assignee: Neal Richardson
> Priority: Major
> Labels: pull-request-available, query-engine
> Fix For: 6.0.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> In ExecNode_Scan a ScanOptions object is built up. If we are reading parquet we should enable pre-buffering. This is done by creating a ParquetFragmentScanOptions object and enabling pre-buffering.
> Alternatively, we could just default pre-buffering to true for asynchronous scans of parquet data.
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