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https://issues.apache.org/jira/browse/ARROW-6191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16906250#comment-16906250
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Zherui Cao commented on ARROW-6191:
-----------------------------------
letting caller set the buffer size themselves is ok. If they see these error,
they may notice they forgot to change the buffer size.
> [C++] buffer size default value will throw an error
> ---------------------------------------------------
>
> Key: ARROW-6191
> URL: https://issues.apache.org/jira/browse/ARROW-6191
> Project: Apache Arrow
> Issue Type: Bug
> Reporter: Zherui Cao
> Assignee: Zherui Cao
> Priority: Major
>
> [https://github.com/apache/arrow/blob/master/cpp/src/parquet/properties.h#L40]
> this set default size as 0,
> but in
> [https://github.com/apache/arrow/blob/master/cpp/src/arrow/io/buffered.cc#L259]
> it prevent the buffer size being 0.
>
> Even though "ReaderProperties::buffered_stream_enabled_" is default false.
> But if user set it true, but remain buffer size default. This causes an
> error.
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