[jira] [Commented] (TAJO-540) (Umbrella) Implement Tajo Query Scheduler

["Min Zhou (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TAJO-540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13889599#comment-13889599 ] 

Min Zhou commented on TAJO-540:
-------------------------------

As  discussed  with Hyunsik before,  I suggest using sparrow.  Sparrow scheduler is one of the best choices of this kind of low-latency schedulers. 

References:
http://www.cs.berkeley.edu/~matei/papers/2013/sosp_sparrow.pdf
https://github.com/radlab/sparrow

> (Umbrella) Implement Tajo Query Scheduler
> -----------------------------------------
>
>                 Key: TAJO-540
>                 URL: https://issues.apache.org/jira/browse/TAJO-540
>             Project: Tajo
>          Issue Type: New Feature
>            Reporter: Hyunsik Choi
>
> Currently, there is no Tajo query scheduler. So, all queries launched simultaneously compete cluster resource which is managed by TajoResourceManager.
> In this issue, we will investigate,  design, and implement a Tajo query scheduler. This is an umbrella issue for that. We will create subtasks for them.



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