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Apache Spark commented on SPARK-23129: -------------------------------------- User 'caneGuy' has created a pull request for this issue: https://github.com/apache/spark/pull/20292 > 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