[jira] [Assigned] (SPARK-25885) HighlyCompressedMapStatus deserialization optimization

2018-11-07 Thread Sean Owen (JIRA)


 [ 
https://issues.apache.org/jira/browse/SPARK-25885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sean Owen reassigned SPARK-25885:
-

Assignee: Artem Kupchinskiy

> HighlyCompressedMapStatus deserialization optimization
> --
>
> Key: SPARK-25885
> URL: https://issues.apache.org/jira/browse/SPARK-25885
> Project: Spark
>  Issue Type: Improvement
>  Components: Spark Core
>Affects Versions: 2.2.0
>Reporter: Artem Kupchinskiy
>Assignee: Artem Kupchinskiy
>Priority: Minor
> Fix For: 3.0.0
>
>
> HighlyCompressedMapStatus uses unnecessary indirection level during 
> deserialization and construction. It uses ArrayBuffer, as an interim storage, 
> before the actual map construction. Since both methods could be application 
> hot spots under certain workloads, it is worth to get rid of that 
> intermediate level.



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[jira] [Assigned] (SPARK-25885) HighlyCompressedMapStatus deserialization optimization

2018-10-30 Thread Apache Spark (JIRA)


 [ 
https://issues.apache.org/jira/browse/SPARK-25885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-25885:


Assignee: (was: Apache Spark)

> HighlyCompressedMapStatus deserialization optimization
> --
>
> Key: SPARK-25885
> URL: https://issues.apache.org/jira/browse/SPARK-25885
> Project: Spark
>  Issue Type: Improvement
>  Components: Spark Core
>Affects Versions: 2.2.0
>Reporter: Artem Kupchinskiy
>Priority: Minor
>
> HighlyCompressedMapStatus uses unnecessary indirection level during 
> deserialization and construction. It uses ArrayBuffer, as an interim storage, 
> before the actual map construction. Since both methods could be application 
> hot spots under certain workloads, it is worth to get rid of that 
> intermediate level.



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[jira] [Assigned] (SPARK-25885) HighlyCompressedMapStatus deserialization optimization

2018-10-30 Thread Apache Spark (JIRA)


 [ 
https://issues.apache.org/jira/browse/SPARK-25885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-25885:


Assignee: Apache Spark

> HighlyCompressedMapStatus deserialization optimization
> --
>
> Key: SPARK-25885
> URL: https://issues.apache.org/jira/browse/SPARK-25885
> Project: Spark
>  Issue Type: Improvement
>  Components: Spark Core
>Affects Versions: 2.2.0
>Reporter: Artem Kupchinskiy
>Assignee: Apache Spark
>Priority: Minor
>
> HighlyCompressedMapStatus uses unnecessary indirection level during 
> deserialization and construction. It uses ArrayBuffer, as an interim storage, 
> before the actual map construction. Since both methods could be application 
> hot spots under certain workloads, it is worth to get rid of that 
> intermediate level.



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