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Xuefu Zhang commented on HIVE-10006: ------------------------------------ Re: Besides, is this ThreadLocal MapWork/ReduceWork cache new introduced optimization? Yes, it's introduced in HIVE-9127. Looks like we need to be careful about this threadlocal map, indeed. > RSC has memory leak while execute multi queries.[Spark Branch] > -------------------------------------------------------------- > > Key: HIVE-10006 > URL: https://issues.apache.org/jira/browse/HIVE-10006 > Project: Hive > Issue Type: Sub-task > Components: Spark > Affects Versions: 1.1.0 > Reporter: Chengxiang Li > Assignee: Chengxiang Li > Priority: Critical > Labels: Spark-M5 > Attachments: HIVE-10006.1-spark.patch, HIVE-10006.2-spark.patch, > HIVE-10006.2-spark.patch, HIVE-10006.3-spark.patch, HIVE-10006.4-spark.patch, > HIVE-10006.5-spark.patch, HIVE-10006.6-spark.patch, HIVE-10006.7-spark.patch > > > While execute query with RSC, MapWork/ReduceWork number is increased all the > time, and lead to OOM at the end. -- This message was sent by Atlassian JIRA (v6.3.4#6332)