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https://issues.apache.org/jira/browse/SPARK-24771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16579124#comment-16579124
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Wenchen Fan commented on SPARK-24771:
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Sorry I was not aware of https://issues.apache.org/jira/browse/SPARK-16617 .
So we proposed to upgrade AVRO 2 years ago, and gave it up because it's not
binary compatible and the benefit is not that much.
I think things have changed now. This upgrade is super important to the AVRO
data source, for date/timestamp/decimal support. Also as people pointed out in
https://issues.apache.org/jira/browse/SPARK-16617 , this is an important bug
fix to use Parquet and AVRO.
BTW I don't think the impact is that large. Spark doesn't have a stable API to
plugin AVRO supports, so AVRO users have to do some manual work to migrate to
new Spark versions. As an example, I don't think the databricks spark-avro
package can work with Spark 2.4 without modification.
> Upgrade AVRO version from 1.7.7 to 1.8
> --------------------------------------
>
> Key: SPARK-24771
> URL: https://issues.apache.org/jira/browse/SPARK-24771
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Gengliang Wang
> Assignee: Gengliang Wang
> Priority: Major
> Fix For: 2.4.0
>
>
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