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https://issues.apache.org/jira/browse/ARROW-8266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ben Kietzman reassigned ARROW-8266:
-----------------------------------
Assignee: Ben Kietzman (was: Neal Richardson)
> [C++] Add backup mirrors for external project source downloads
> --------------------------------------------------------------
>
> Key: ARROW-8266
> URL: https://issues.apache.org/jira/browse/ARROW-8266
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Neal Richardson
> Assignee: Ben Kietzman
> Priority: Minor
> Fix For: 0.17.0
>
>
> As we've seen a number of times, most recently with boost, our builds
> sometimes fail because of a failure to download bundled dependencies. To
> reduce this risk, we can add alternate URLs to the cmake externalprojects, so
> that it will attempt to download from the second location if the first fails
> (https://cmake.org/cmake/help/latest/module/ExternalProject.html). This
> feature is available in cmake >=3.7.
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