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https://issues.apache.org/jira/browse/SPARK-22790?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-22790:
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Assignee: (was: Apache Spark)
> add a configurable factor to describe HadoopFsRelation's size
> -------------------------------------------------------------
>
> Key: SPARK-22790
> URL: https://issues.apache.org/jira/browse/SPARK-22790
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.2.0
> Reporter: Nan Zhu
>
> as per discussion in
> https://github.com/apache/spark/pull/19864#discussion_r156847927
> the current HadoopFsRelation is purely based on the underlying file size
> which is not accurate and makes the execution vulnerable to errors like OOM
> Users can enable CBO with the functionalities in
> https://github.com/apache/spark/pull/19864 to avoid this issue
> This JIRA proposes to add a configurable factor to sizeInBytes method in
> HadoopFsRelation class so that users can mitigate this problem without CBO
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