[jira] [Created] (ARROW-17114) [Python][C++] O_DIRECT write support

[Ziheng Wang (Jira)]

Ziheng Wang created ARROW-17114:
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             Summary: [Python][C++] O_DIRECT write support 
                 Key: ARROW-17114
                 URL: https://issues.apache.org/jira/browse/ARROW-17114
             Project: Apache Arrow
          Issue Type: New Feature
            Reporter: Ziheng Wang


Add support for O_DIRECT on Ubuntu in OutputStream writes to save page cache 
RAM for large writes.



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