[jira] [Updated] (TAJO-154) Query calculates wrong progress in multiple step queries.

["Hyunsik Choi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TAJO-154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyunsik Choi updated TAJO-154:
------------------------------

    Attachment: TAJO-154.patch

This problem is as follows:
{noformat}
Progress: 0%, response time: 36.94 sec
Progress: 0%, response time: 37.942 sec
Progress: 0%, response time: 38.945 sec
Progress: 33%, response time: 39.948 sec
Progress: 99%, response time: 40.75 sec
Progress: 50%, response time: 41.218 sec
Progress: 51%, response time: 42.705 sec
{noformat}

As you can see, the progress is back to lower progress.

I've uploaded the patch.
                
> Query calculates wrong progress in multiple step queries.
> ---------------------------------------------------------
>
>                 Key: TAJO-154
>                 URL: https://issues.apache.org/jira/browse/TAJO-154
>             Project: Tajo
>          Issue Type: Improvement
>          Components: master
>            Reporter: Hyunsik Choi
>            Assignee: Hyunsik Choi
>            Priority: Critical
>             Fix For: 0.2-incubating
>
>         Attachments: TAJO-154.patch
>
>
> Query calculates the progress according the number of subqueries. But, subquery is created dynamically during query running time. So, the progress can be wrong. We should fix it.

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