[ https://issues.apache.org/jira/browse/SPARK-23129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-23129: ------------------------------------ Assignee: (was: Apache Spark) > Lazy init DiskMapIterator#deserializeStream to reduce memory usage when > ExternalAppendOnlyMap spill too much times > ------------------------------------------------------------------------------------------------------------------- > > Key: SPARK-23129 > URL: https://issues.apache.org/jira/browse/SPARK-23129 > Project: Spark > Issue Type: Improvement > Components: Spark Core > Affects Versions: 2.1.0 > Reporter: zhoukang > Priority: Major > > Currently,the deserializeStream in ExternalAppendOnlyMap#DiskMapIterator init > when DiskMapIterator instance created.This will cause memory use overhead > when ExternalAppendOnlyMap spill too much times. > We can avoid this by making deserializeStream init when it is used the first > time. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org