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https://issues.apache.org/jira/browse/ARROW-7665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17022440#comment-17022440
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Neal Richardson commented on ARROW-7665:
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I'm not sure exactly what you're trying to debug, but some ideas:

* https://github.com/apache/arrow/blob/master/r/vignettes/install.Rmd discusses 
options and troubleshooting for the install script. Set {{ARROW_R_DEV=TRUE}} if 
you want more verbosity printed in the build. Set {{DEBUG_DIR}} to copy the 
cmake build directory somewhere not in tmp if there's a build error.
* You can call {{r/inst/build_arrow_static.sh}} directly, like the [nightly 
builds 
do|https://github.com/ursa-labs/arrow-r-nightly/blob/master/linux/docker-compose.yml#L26]

> [R] linuxLibs.R should build in parallel
> ----------------------------------------
>
>                 Key: ARROW-7665
>                 URL: https://issues.apache.org/jira/browse/ARROW-7665
>             Project: Apache Arrow
>          Issue Type: Wish
>          Components: R
>            Reporter: Antoine Pitrou
>            Priority: Major
>
> It currently seems to compile everything in one thread, which is ghastinly 
> slow.



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