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https://issues.apache.org/jira/browse/HADOOP-13386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16826864#comment-16826864
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Steve Loughran commented on HADOOP-13386:
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# What extra transitive dependencies does this this change?
# Has anyone tested code built with a version of hadoop *before* the upgrade
running on a hadoop cluster with the upgrade?
It's the changes in generated code which is going to break things here, just as
with protobuf. This doesn't mean I don't support the upgrade —I do— but I want
to know how incompatible a change it is.
> Upgrade Avro to 1.8.x
> ---------------------
>
> Key: HADOOP-13386
> URL: https://issues.apache.org/jira/browse/HADOOP-13386
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: build
> Reporter: Ben McCann
> Assignee: Kalman
> Priority: Major
>
> Avro 1.8.x makes generated classes serializable which makes them much easier
> to use with Spark. It would be great to upgrade Avro to 1.8.x
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