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Posted to common-issues@hadoop.apache.org by "Zoltan Haindrich (JIRA)" <ji...@apache.org> on 2019/07/24 12:28:00 UTC
[jira] [Assigned] (HADOOP-16062) Add ability to disable
Configuration reload registry
[ https://issues.apache.org/jira/browse/HADOOP-16062?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zoltan Haindrich reassigned HADOOP-16062:
-----------------------------------------
Assignee: Zoltan Haindrich
> Add ability to disable Configuration reload registry
> ----------------------------------------------------
>
> Key: HADOOP-16062
> URL: https://issues.apache.org/jira/browse/HADOOP-16062
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HADOOP-16062.01.patch, jxray_registry.png
>
>
> In Hive we see that after an extensive amount of usage there are a lot of Configuration objects not fully reclaimed because of Configuration's REGISTRY weak hashmap.
> https://github.com/apache/hadoop/blob/abde1e1f58d5b699e4b8e460cff68e154738169b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java#L321
> !jxray_registry.png!
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