[
https://issues.apache.org/jira/browse/SPARK-21575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yanbo Liang resolved SPARK-21575.
---------------------------------
Resolution: Fixed
Assignee: Iurii Antykhovych
Fix Version/s: 2.3.0
> Eliminate needless synchronization in java-R serialization
> ----------------------------------------------------------
>
> Key: SPARK-21575
> URL: https://issues.apache.org/jira/browse/SPARK-21575
> Project: Spark
> Issue Type: Improvement
> Components: SparkR
> Affects Versions: 2.2.0
> Reporter: Iurii Antykhovych
> Assignee: Iurii Antykhovych
> Priority: Trivial
> Fix For: 2.3.0
>
>
> As long as {{org.apache.spark.api.r.JVMObjectTracker}} is backed by
> {{ConcurrentHashMap}}, synchronized blocks in {{get(..)}} and {{remove(..)}}
> methods can be safely removed.
> This would eliminate lock contention in {{org.apache.spark.api.r.SerDe}}
> and {{org.apache.spark.api.r.RBackendHandler}}.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
