[jira] [Assigned] (SPARK-15762) Cache Metadata.hashCode and use a singleton for Metadata.empty

2016-06-03 Thread Apache Spark (JIRA)

 [ 
https://issues.apache.org/jira/browse/SPARK-15762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-15762:


Assignee: Apache Spark  (was: Josh Rosen)

> Cache Metadata.hashCode and use a singleton for Metadata.empty
> --
>
> Key: SPARK-15762
> URL: https://issues.apache.org/jira/browse/SPARK-15762
> Project: Spark
>  Issue Type: Improvement
>  Components: SQL
>Reporter: Josh Rosen
>Assignee: Apache Spark
>
> In Spark SQL we should cache Metadata.hashCode and use a singleton for 
> Metadata.empty since calculating empty metadata hashCodes appears to be an 
> bottleneck according to certain profiler results.



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[jira] [Assigned] (SPARK-15762) Cache Metadata.hashCode and use a singleton for Metadata.empty

2016-06-03 Thread Apache Spark (JIRA)

 [ 
https://issues.apache.org/jira/browse/SPARK-15762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-15762:


Assignee: Josh Rosen  (was: Apache Spark)

> Cache Metadata.hashCode and use a singleton for Metadata.empty
> --
>
> Key: SPARK-15762
> URL: https://issues.apache.org/jira/browse/SPARK-15762
> Project: Spark
>  Issue Type: Improvement
>  Components: SQL
>Reporter: Josh Rosen
>Assignee: Josh Rosen
>
> In Spark SQL we should cache Metadata.hashCode and use a singleton for 
> Metadata.empty since calculating empty metadata hashCodes appears to be an 
> bottleneck according to certain profiler results.



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