Neal Richardson created ARROW-5502:
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Summary: [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
Fix For: 0.14.0
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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