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https://issues.apache.org/jira/browse/ARROW-5502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neal Richardson updated ARROW-5502:
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Fix Version/s: (was: 0.14.0)
1.0.0
> [R] file readers should mmap
> ----------------------------
>
> Key: ARROW-5502
> URL: https://issues.apache.org/jira/browse/ARROW-5502
> Project: Apache Arrow
> Issue Type: Improvement
> Components: R
> Reporter: Neal Richardson
> Priority: Major
> Fix For: 1.0.0
>
>
> Arrow is supposed to let you work with datasets bigger than memory. Memory
> mapping is a big part of that. It should be the default way that files are
> read in the `read_*` functions. To disable memory mapping, we could use a
> global `option()`, or a function argument, but that might clutter the
> interface. Or we could not give a choice and only fall back to not memory
> mapping if the platform/file system doesn't support it.
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