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https://issues.apache.org/jira/browse/ARROW-8797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17110446#comment-17110446
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Antoine Pitrou commented on ARROW-8797:
---------------------------------------
This is a general issue with our IPC implementation. The IPC format specifies
the data endianness in the Schema structure:
https://github.com/apache/arrow/blob/master/format/Schema.fbs#L343-L346
However, this is currently ignored in the implemenation, so it will have to be
fixed.
> [C++] Support Flight RPC among diffent endian platforms
> -------------------------------------------------------
>
> Key: ARROW-8797
> URL: https://issues.apache.org/jira/browse/ARROW-8797
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++, FlightRPC
> Reporter: Kazuaki Ishizaki
> Priority: Major
>
> This PR is derived from discussion in ARROW-8790. The current implementation
> of the Flight RPC exchanges messages using a native endlian format. It does
> not allow us to exchange data though Flight RPC among different endian
> machines (e.g. x86_64 <-> s390x).
> There is a field to show an endianness at[
> https://github.com/apache/arrow/blob/master/format/Schema.fbs#L343-L346|https://github.com/apache/arrow/blob/master/format/Schema.fbs#L343-L346],
> which is added by ARROW-245.
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