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https://issues.apache.org/jira/browse/TAJO-855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14010834#comment-14010834
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Jinho Kim commented on TAJO-855:
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[~jihoonson]
I've added description
> Refactor TaskRunnerManager/TaskRunner/Task
> ------------------------------------------
>
> Key: TAJO-855
> URL: https://issues.apache.org/jira/browse/TAJO-855
> Project: Tajo
> Issue Type: Improvement
> Components: worker
> Reporter: Jinho Kim
> Assignee: Jinho Kim
>
> Currently, A task executed in TaskRunner. The TaskRunners is created in
> ExecutionBlock.
> Reserved resources are not released when a execution block are not completed.
> We should have fix the woker in order to execute query concurrently
> * TaskRunnerManager
> ** Queueing the task
> ** Report the taskRunner monitoring (running/success/failed ..)
> ** Release/Allocate the resources
> * TaskRunner
> ** Change the lifecycle (like TaskRunnerManager)
> ** Execute a task
> ** Control the task status
> * Task
> ** Remove the QueryMaster dependency
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