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https://issues.apache.org/jira/browse/TAJO-1135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14350036#comment-14350036
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Tajo QA commented on TAJO-1135:
-------------------------------

{color:red}*-1 overall.*{color}  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12702988/TAJO-1135.patch
  against master revision release-0.9.0-rc0-185-g1617fa9.

    {color:green}+1 @author.{color}  The patch does not contain any @author 
tags.

    {color:green}+1 tests included.{color}  The patch appears to include 1 new 
or modified test files.

    {color:green}+1 javac.{color}  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:green}+1 javadoc.{color}  The applied patch does not increase the 
total number of javadoc warnings.

    {color:green}+1 checkstyle.{color}  The patch generated 0 code style errors.

    {color:red}-1 findbugs.{color}  The patch appears to cause Findbugs 
(version 2.0.3) to fail.

    {color:green}+1 release audit.{color}  The applied patch does not increase 
the total number of release audit warnings.

    {color:green}+1 core tests.{color}  The patch passed unit tests in 
tajo-catalog/tajo-catalog-server tajo-core.

Test results: 
https://builds.apache.org/job/PreCommit-TAJO-Build/600//testReport/
Findbugs results: 
https://builds.apache.org/job/PreCommit-TAJO-Build/600//findbugsResult
Console output: https://builds.apache.org/job/PreCommit-TAJO-Build/600//console

This message is automatically generated.

> Implement queryable virtual table for cluster information
> ---------------------------------------------------------
>
>                 Key: TAJO-1135
>                 URL: https://issues.apache.org/jira/browse/TAJO-1135
>             Project: Tajo
>          Issue Type: New Feature
>          Components: tajo master
>    Affects Versions: 0.11
>            Reporter: Hyunsik Choi
>            Assignee: Jihun Kang
>             Fix For: 0.11
>
>         Attachments: TAJO-1135.patch
>
>
> Currently, Tajo does not provide queryable cluster information. We just can 
> display cluster nodes through 'bin/tajo cluster' inline command.
> I propose that TajoMaster should maintain a queryable virtual table where 
> each row represents each cluster node and columns should contain hostname, 
> resource, last ping, and so on. The virtual table should be processed by API 
> and SQL.
> Users can discovery cluster information in ad-hoc manner. Also, internal Tajo 
> system can make good use of the virtual table for scheduling resources or 
> displaying cluster information in WEB UI. I also expect that this feature 
> also simplify the many parts related to cluster information.



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