Iurii Antykhovych created SPARK-21575: -----------------------------------------
Summary: 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 Priority: Trivial 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: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org