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https://issues.apache.org/jira/browse/AVRO-380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12806078#action_12806078
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Doug Cutting commented on AVRO-380:
-----------------------------------
I am okay with the implementation not working for blocks larger than 2GB, but
the format should permit larger blocks.
> Avro Container File format change: add block size to block descriptor
> ----------------------------------------------------------------------
>
> Key: AVRO-380
> URL: https://issues.apache.org/jira/browse/AVRO-380
> Project: Avro
> Issue Type: Improvement
> Components: doc, java, spec
> Affects Versions: 1.3.0
> Reporter: Scott Carey
> Fix For: 1.3.0
>
> Attachments: AVRO-380.patch
>
>
> The new file format in AVRO-160 limits a few use cases that I have found to
> be important.
> A block currently contains a count of the number of records, the block data,
> and a sync marker.
> This change would add the block size, in bytes, along side the number of
> records.
> This allows efficient access to a block's data without the need to decode the
> data into individual Datums, which is useful for various use cases.
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