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https://issues.apache.org/jira/browse/TAJO-305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13902470#comment-13902470
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Hyunsik Choi commented on TAJO-305:
-----------------------------------
I've just submitted the patch. You can kill a running query as follows:
{noformat}
hyunsik@Hyunsiks-MacBook-Pro:tajo-0.8.0-SNAPSHOT$ bin/tajo admin -list
QueryId State StartTime Query
-------------------- ------- -------------------- ------------------------------
q_1392482437956_0001 RUNNING 2014-02-16 01:56:59 select * from lineitem orde...
hyunsik@Hyunsiks-MacBook-Pro:tajo-0.8.0-SNAPSHOT$ bin/tajo admin -kill
q_1392482437956_0001
q_1392482437956_0001 is killed.
hyunsik@Hyunsiks-MacBook-Pro:tajo-0.8.0-SNAPSHOT$
{noformat}
This work requires the changes of state machines of Query, SubQuery, QueryUnit
and QueryUnitAttempt. This patch modified them, and additionally it makes them
more robust by adding some transitions. Especially, a query gracefully kills
running and failed tasks when the query is failed.
> Implement killQuery feature
> ---------------------------
>
> Key: TAJO-305
> URL: https://issues.apache.org/jira/browse/TAJO-305
> Project: Tajo
> Issue Type: Improvement
> Components: query master
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Fix For: 0.8-incubating
>
> Attachments: TAJO-305.patch, TAJO-305_20140216_01:54:24.patch
>
>
> In the current version, killQuery feature is partially implemented. We need
> to complete this feature and add a command to tsql.
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