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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SYNCOPE-408) Add index on task.executed
Date Mon, 05 Aug 2013 10:03:47 GMT

    [ https://issues.apache.org/jira/browse/SYNCOPE-408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13729351#comment-13729351
] 

Hudson commented on SYNCOPE-408:
--------------------------------

SUCCESS: Integrated in Syncope-1_1_X #95 (See [https://builds.apache.org/job/Syncope-1_1_X/95/])
[SYNCOPE-408] Applying provided patch, successfully tested against all supported databases
(ilgrosso: rev 1510390)
* /syncope/branches/1_1_X/core/src/main/resources/indexes.xml

                
> Add index on task.executed
> --------------------------
>
>                 Key: SYNCOPE-408
>                 URL: https://issues.apache.org/jira/browse/SYNCOPE-408
>             Project: Syncope
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 1.1.3
>            Reporter: Guido Wimmel
>            Assignee: Francesco Chicchiriccò
>            Priority: Minor
>             Fix For: 1.1.4, 1.2.0
>
>         Attachments: indexes.xml.patch
>
>
> In our Syncope installation (1.1.3 on Tomcat/MySQL) we observed long execution times
(>1s) for TaskDAO.findToExec(), which is called periodically from NotificationJob to determine
which notifications should be sent.
> According to our analysis, this is due to the fact that TaskDAO.findToExec() performs
a full scan on all entries of the task table with DTYPE="NotificationTask" (which could be
a large number as all executed tasks are kept), although only very few tasks are selected
(those with executed=0).
> Creating an index on task.executed solved this problem; attached is a corresponding patch
against the branch 1.1.X.

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