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https://issues.apache.org/jira/browse/TAJO-654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi resolved TAJO-654.
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    Resolution: Won't Fix

> Separate TajoWorker into yarn worker and standby worker
> -------------------------------------------------------
>
>                 Key: TAJO-654
>                 URL: https://issues.apache.org/jira/browse/TAJO-654
>             Project: Tajo
>          Issue Type: Improvement
>          Components: worker
>            Reporter: Hyunsik Choi
>            Assignee: Hyunsik Choi
>             Fix For: 0.9.0
>
>
> TajoWorker can play two roles for yarn and standby modes, and the role is set 
> by some parameter. Also, in standby mode, TajoWorker has additional two 
> modes, which are query master mode and task runner mode. TajoWorker has too 
> many roles. The objective of this issue is to simplify TajoWorker and 
> separate multiple roles into driver classes.



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