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https://issues.apache.org/jira/browse/HADOOP-5639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy resolved HADOOP-5639.
-----------------------------------

    Resolution: Duplicate

Duplicate of HADOOP-869.

> Remove cyclic calls between JobTracker, JobInProgress and TaskInProgress
> ------------------------------------------------------------------------
>
>                 Key: HADOOP-5639
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5639
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Amar Kamat
>
> Today the JobTracker, upon a heartbeat request, calls JobInProgress which 
> calls TaskInProgress which internally calls JobTracker. It will be nice if we 
> can get rid of these cyclic calls. Ideally JobInProgress should not know 
> about JobTracker and TaskInProgress should not know about JobInProgress and 
> JobTracker. 

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