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From "Abhijeet Gaikwad (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SQOOP-539) getPrimaryKeyQuery is very slow in mysql 5.0.77
Date Mon, 06 Aug 2012 16:02:02 GMT

     [ https://issues.apache.org/jira/browse/SQOOP-539?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Abhijeet Gaikwad updated SQOOP-539:
-----------------------------------

    Affects Version/s:     (was: 1.4.2)
                           (was: 2.0.0)
                       1.4.1-incubating
        Fix Version/s:     (was: 2.0.0)
    
> getPrimaryKeyQuery is very slow in mysql 5.0.77
> -----------------------------------------------
>
>                 Key: SQOOP-539
>                 URL: https://issues.apache.org/jira/browse/SQOOP-539
>             Project: Sqoop
>          Issue Type: Bug
>          Components: connectors/mysql
>    Affects Versions: 1.4.1-incubating
>         Environment: mysql 5.0.77-percona-highperfb0805
>            Reporter: Jhovanny
>            Priority: Minor
>              Labels: performance
>             Fix For: 1.4.2
>
>         Attachments: patch
>
>   Original Estimate: 0h
>  Remaining Estimate: 0h
>
> The current query used to get the primary key for a table takes 20 seconds in my production
environment and 11 minutes in my QA environment. I simplified it and it now runs very fast
(0.08 seconds in my production environment). I'm submitting the patch I applied locally.

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