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https://issues.apache.org/jira/browse/HIVE-10006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14371009#comment-14371009
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Xuefu Zhang commented on HIVE-10006:
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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.
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