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https://issues.apache.org/jira/browse/SPARK-32533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17171183#comment-17171183
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Apache Spark commented on SPARK-32533:
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User 'msamirkhan' has created a pull request for this issue:
https://github.com/apache/spark/pull/29354
> Improve Avro read/write performance on nested structs and array of structs
> --------------------------------------------------------------------------
>
> Key: SPARK-32533
> URL: https://issues.apache.org/jira/browse/SPARK-32533
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Muhammad Samir Khan
> Priority: Major
>
> Have some improvements for Avro file format to reduce time taken when
> reading/writing nested/array'd structs. Using benchmarks in SPARK-32531 was
> able to improve performance on branch-3.0 as follows (measurements in
> seconds):
> Read:
> Nested Structs: 75 -> 46
> Array of Struct: 47 -> 17
> Write
> Nested Structs: 147 -> 36
> Array of Struct: 139 -> 34
> Will be putting up the PR soon with the changes.
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