Julien Le Dem created ARROW-384:
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Summary: Align Java and C++ RecordBatch data and metadata layout
Key: ARROW-384
URL: https://issues.apache.org/jira/browse/ARROW-384
Project: Apache Arrow
Issue Type: Bug
Reporter: Julien Le Dem
layout on C++ side:
{noformat}
<buffers> <metadata> <metadata size: int32>
{noformat}
and on the java side:
{noformat}
<metadata> <buffers>
{noformat}
In the file format the footer has a Block info that contains the metadata
length.
https://github.com/apache/arrow/blob/f082b17323354dc2af31f39c15c58b995ba08360/format/File.fbs#L36
See:
https://github.com/apache/arrow/pull/211#issuecomment-262080545
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