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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-1321) Cli prints wrong response time
Date Mon, 02 Feb 2015 10:07:34 GMT

    [ https://issues.apache.org/jira/browse/TAJO-1321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14301097#comment-14301097
] 

ASF GitHub Bot commented on TAJO-1321:
--------------------------------------

Github user jinossy commented on the pull request:

    https://github.com/apache/tajo/pull/369#issuecomment-72431899
  
    +1 LGTM!
    I've verify on cluster.


> Cli prints wrong response time
> ------------------------------
>
>                 Key: TAJO-1321
>                 URL: https://issues.apache.org/jira/browse/TAJO-1321
>             Project: Tajo
>          Issue Type: Bug
>          Components: cli
>    Affects Versions: 0.10
>            Reporter: Jihoon Son
>            Assignee: Jihoon Son
>            Priority: Critical
>             Fix For: 0.10
>
>         Attachments: TAJO-1321.patch
>
>
> When I run Tajo on two different clusters, the cli prints wrong response time.
> Here is examples.
> - Cluster1: the response time decreases when the query is finished.
> {noformat}
> tpch100> select count(*) from customer;
> Progress: 30%, response time: 1.834 sec
> Progress: 30%, response time: 1.834 sec
> Progress: 30%, response time: 2.235 sec
> Progress: 30%, response time: 3.036 sec
> Progress: 43%, response time: 4.037 sec
> Progress: 43%, response time: 5.038 sec
> Progress: 100%, response time: 4.878 sec
> ?count
> -------------------------------
> 15000000
> (1 rows, 4.878 sec, 9 B selected)
> {noformat}
> - Cluster2: the response time jumps when the query is finished.
> {noformat}
> tpch_hdfs> select count(*) from customer;
> Progress: 0%, response time: 0.908 sec
> Progress: 0%, response time: 0.909 sec
> Progress: 0%, response time: 1.31 sec
> Progress: 0%, response time: 2.111 sec
> Progress: 48%, response time: 3.111 sec
> Progress: 100%, response time: 24.104 sec
> ?count
> -------------------------------
> 15000000
> (1 rows, 24.104 sec, 9 B selected)
> {noformat}
> I suspect that the wrong information is stored when the query history is written.



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