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https://issues.apache.org/jira/browse/AVRO-806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13448159#comment-13448159
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Jakob Homan commented on AVRO-806:
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(1) sounds good.
I'm curious about the decision to go with 1 row group/block and 1 block/file.
The recommendation is to increase the block size, up to a 1 gb or more. Any
background on this design decision? Any reason not to go with multiple,
smaller row groups per file ala RCFile?
> add a column-major codec for data files
> ---------------------------------------
>
> Key: AVRO-806
> URL: https://issues.apache.org/jira/browse/AVRO-806
> Project: Avro
> Issue Type: New Feature
> Components: java, spec
> Reporter: Doug Cutting
> Assignee: Doug Cutting
> Attachments: AVRO-806.patch, AVRO-806-v2.patch, avro-file-columnar.pdf
>
>
> Define a codec that, when a data file's schema is a record schema, writes
> blocks within the file in column-major order. This would permit better
> compression and also permit efficient skipping of fields that are not of
> interest.
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