[jira] [Assigned] (SPARK-32953) Lower memory usage in toPandas with Arrow self_destruct

2021-02-10 Thread Bryan Cutler (Jira)


 [ 
https://issues.apache.org/jira/browse/SPARK-32953?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Bryan Cutler reassigned SPARK-32953:


Assignee: David Li

> Lower memory usage in toPandas with Arrow self_destruct
> ---
>
> Key: SPARK-32953
> URL: https://issues.apache.org/jira/browse/SPARK-32953
> Project: Spark
>  Issue Type: Improvement
>  Components: PySpark
>Affects Versions: 3.0.1
>Reporter: David Li
>Assignee: David Li
>Priority: Major
> Fix For: 3.2.0
>
>
> As described on the mailing list:
> [http://apache-spark-developers-list.1001551.n3.nabble.com/DISCUSS-Reducing-memory-usage-of-toPandas-with-Arrow-quot-self-destruct-quot-option-td30149.html]
> toPandas() can as much as double memory usage as both Arrow and Pandas retain 
> a copy of a dataframe in memory during the conversion. Arrow >= 0.16 offers a 
> self_destruct mode that avoids this with some caveats.



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[jira] [Assigned] (SPARK-32953) Lower memory usage in toPandas with Arrow self_destruct

2020-09-21 Thread Apache Spark (Jira)


 [ 
https://issues.apache.org/jira/browse/SPARK-32953?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-32953:


Assignee: (was: Apache Spark)

> Lower memory usage in toPandas with Arrow self_destruct
> ---
>
> Key: SPARK-32953
> URL: https://issues.apache.org/jira/browse/SPARK-32953
> Project: Spark
>  Issue Type: Improvement
>  Components: PySpark
>Affects Versions: 3.0.1
>Reporter: David Li
>Priority: Major
>
> As described on the mailing list:
> [http://apache-spark-developers-list.1001551.n3.nabble.com/DISCUSS-Reducing-memory-usage-of-toPandas-with-Arrow-quot-self-destruct-quot-option-td30149.html]
> toPandas() can as much as double memory usage as both Arrow and Pandas retain 
> a copy of a dataframe in memory during the conversion. Arrow >= 0.16 offers a 
> self_destruct mode that avoids this with some caveats.



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[jira] [Assigned] (SPARK-32953) Lower memory usage in toPandas with Arrow self_destruct

2020-09-21 Thread Apache Spark (Jira)


 [ 
https://issues.apache.org/jira/browse/SPARK-32953?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-32953:


Assignee: Apache Spark

> Lower memory usage in toPandas with Arrow self_destruct
> ---
>
> Key: SPARK-32953
> URL: https://issues.apache.org/jira/browse/SPARK-32953
> Project: Spark
>  Issue Type: Improvement
>  Components: PySpark
>Affects Versions: 3.0.1
>Reporter: David Li
>Assignee: Apache Spark
>Priority: Major
>
> As described on the mailing list:
> [http://apache-spark-developers-list.1001551.n3.nabble.com/DISCUSS-Reducing-memory-usage-of-toPandas-with-Arrow-quot-self-destruct-quot-option-td30149.html]
> toPandas() can as much as double memory usage as both Arrow and Pandas retain 
> a copy of a dataframe in memory during the conversion. Arrow >= 0.16 offers a 
> self_destruct mode that avoids this with some caveats.



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