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https://issues.apache.org/jira/browse/HADOOP-18624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ZanderXu resolved HADOOP-18624.
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Resolution: Fixed
> Leaked calls may cause ObserverNameNode OOM.
> --------------------------------------------
>
> Key: HADOOP-18624
> URL: https://issues.apache.org/jira/browse/HADOOP-18624
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: ZanderXu
> Assignee: ZanderXu
> Priority: Major
> Labels: pull-request-available
>
> Leaked calls may cause ObserverNameNode OOM.
>
> During Observer Namenode tailing edits from JournalNode, it will cancel slow
> request with an interruptException if there are a majority of successful
> responses.
> There is a bug in Client.java, it will not clean the interrupted call from
> the calls. The leaked calls may cause ObserverNameNode OOM.
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