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https://issues.apache.org/jira/browse/ARROW-12428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17324968#comment-17324968
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David Li commented on ARROW-12428:
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D'oh, and you already explained this in the SO question :) I'll re-run the
benchmarks to make sure they're fair.
> [Python] pyarrow.parquet.read_* should use pre_buffer=True
> ----------------------------------------------------------
>
> Key: ARROW-12428
> URL: https://issues.apache.org/jira/browse/ARROW-12428
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: David Li
> Assignee: David Li
> Priority: Major
> Labels: pull-request-available
> Fix For: 5.0.0
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> If the user is synchronously reading a single file, we should try to read it
> as fast as possible. The one sticking point might be whether it's beneficial
> to enable this no matter the filesystem or whether we should try to only
> enable it on high-latency filesystems.
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