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https://issues.apache.org/jira/browse/ARROW-17341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17577105#comment-17577105
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Yibo Cai commented on ARROW-17341:
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Thanks for the report. I think we didn't test with musl libc. But this specific
issue should be easy to fix.
> musl does not define _SC_LEVEL1_DCACHE_SIZE etc
> -----------------------------------------------
>
> Key: ARROW-17341
> URL: https://issues.apache.org/jira/browse/ARROW-17341
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Affects Versions: 9.0.0
> Reporter: Duncan Bellamy
> Assignee: Yibo Cai
> Priority: Blocker
>
> Arrow 9.0.0 has new code which includes _SC_LEVEL1_DCACHE_SIZE
> introduced in commit
> [https://github.com/apache/arrow/commit/cde5a0800624649cd6558f339ded2024146cfd71]
>
> there is a fallback function
> [https://github.com/apache/arrow/blob/ea6875fd2a3ac66547a9a33c5506da94f3ff07f2/cpp/src/arrow/util/cpu_info.cc#L326]
>
> but that uses the structure with the defines in as well.
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