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https://issues.apache.org/jira/browse/ARROW-1784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16246134#comment-16246134
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Matthew Rocklin commented on ARROW-1784:
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Note that matching the BlockManager itself is not important for us. I could
imagine doing things columnwise as well if that feels cleaner semantically or
more future-proof.
> [Python] Read and write pandas.DataFrame in pyarrow.serialize by decomposing
> the BlockManager rather than coercing to Arrow format
> ----------------------------------------------------------------------------------------------------------------------------------
>
> Key: ARROW-1784
> URL: https://issues.apache.org/jira/browse/ARROW-1784
> Project: Apache Arrow
> Issue Type: New Feature
> Components: Python
> Reporter: Wes McKinney
> Fix For: 0.8.0
>
>
> See discussion in https://github.com/dask/distributed/pull/931
> This will permit zero-copy reads for DataFrames not containing Python
> objects. In the event of an {{ObjectBlock}} these arrays will not be worse
> than pickle to reconstruct on the receiving side
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