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https://issues.apache.org/jira/browse/ARROW-1409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16225553#comment-16225553
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ASF GitHub Bot commented on ARROW-1409:
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holdenk commented on issue #1225: ARROW-1409: [Format] Remove page id from
Buffer metadata, increment metadata version number
URL: https://github.com/apache/arrow/pull/1225#issuecomment-340550462
Since we don’t persist it though is that really necessary? I think it’s
still a good idea to upgrade, but our Jenkins infra still has some difficulty
with changing Python library versions so it might take a little bit.
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> [Format] Use for "page" attribute in Buffer in metadata
> -------------------------------------------------------
>
> Key: ARROW-1409
> URL: https://issues.apache.org/jira/browse/ARROW-1409
> Project: Apache Arrow
> Issue Type: Bug
> Components: Format
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Labels: pull-request-available
> Fix For: 0.8.0
>
>
> This attribute is currently unused in any Arrow implementation. I think the
> original idea is that the "page" might indicate a particular shared memory
> page, so that a record batch could be spread across multiple memory regions.
> The downside of this unused attribute is that Buffer metadata takes 24 bytes
> instead of 16 due to padding.
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