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https://issues.apache.org/jira/browse/HADOOP-5165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12673785#action_12673785
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Amareshwari Sriramadasu commented on HADOOP-5165:
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For testing multiple setup tasks, I tested on it single node, suspended the
TaskTracker and submitted 2 jobs simultaneously sothat both of will get
initialized and will wait for setup tasks to be launched. And verified both the
setup tasks are launched on TaskTracker in one heartbeat.
Since gridmix has multiple simultaneous jobs, ran gridmix and verified from the
logs that multiple job setup tasks and job cleanup tasks are given to tracker
in single heartbeat.
Ran MRReliability test and Verified from logs multiple task cleanup tasks are
assigned in single heartbeat.
> getSetupAndCleanupTasks should return multiple tasks in a heartbeat
> -------------------------------------------------------------------
>
> Key: HADOOP-5165
> URL: https://issues.apache.org/jira/browse/HADOOP-5165
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.20.0
> Reporter: Amareshwari Sriramadasu
> Assignee: Amareshwari Sriramadasu
> Fix For: 0.20.0, 0.21.0
>
> Attachments: patch-5165-1.txt, patch-5165.txt
>
>
> getSetupAndCleanupTasks in JobTracker returns one task per heartbeat. With
> HADOOP-3136, schedulers give multiple tasks per heartbeat,
> getSetupAndCleanupTasks should also give multiple tasks per heartbeat.
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