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https://issues.apache.org/jira/browse/SPARK-27235?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-27235.
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Resolution: Invalid
This isn't dead code. Option(SparkEnv.get) may be None
> Remove the Dead code in HashedRelation.scala file from sql core module
> ----------------------------------------------------------------------
>
> Key: SPARK-27235
> URL: https://issues.apache.org/jira/browse/SPARK-27235
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Shivu Sondur
> Priority: Trivial
>
> Remove the Dead code in HashedRelation.scala file from sql core module, This
> code is never be used.
> val pageSizeBytes = Option(SparkEnv.get).map(_.memoryManager.pageSizeBytes)
> .getOrElse(new SparkConf().getSizeAsBytes("spark.buffer.pageSize", "16m"))
>
> Here the else part is never be executed, as it is always gets value from get
> method.
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