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https://issues.apache.org/jira/browse/HADOOP-3104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen O'Malley updated HADOOP-3104:
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Attachment: patch3104-3.txt
This patch overloads offer as well as add in addition to the previous one.
> MultithreadMapRunner keeps consuming records even if trheads are not available
> ------------------------------------------------------------------------------
>
> Key: HADOOP-3104
> URL: https://issues.apache.org/jira/browse/HADOOP-3104
> Project: Hadoop Core
> Issue Type: Bug
> Affects Versions: 0.16.1
> Environment: all
> Reporter: Alejandro Abdelnur
> Assignee: Alejandro Abdelnur
> Priority: Critical
> Fix For: 0.16.2
>
> Attachments: patch3104-2.txt, patch3104-3.txt, patch3104.txt,
> patch3104.txt
>
>
> The ExecutorService execute() method does not block when there are not
> threads available, it queues up the runnables until there are threads.
> The problem is that all key/values are read and kept in memory for the task,
> with large datasets this will create a OOM exception.
> Have to figure out how to use the execute in blocking fashion.
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