[jira] Commented: (DERBY-4807) analyze performance slow-down of suites.All/derbyall combo between Windows XP and Windows 2003 and Windows 2008.

["Myrna van Lunteren (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DERBY-4807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12980857#action_12980857 ] 

Myrna van Lunteren commented on DERBY-4807:
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I tried priority 3, and 1, with a simple script, and that was better than the full complex script with priority 4...But with the simple script (kicking off just 1 jvm running suites.All) I saw no significant improvement with priority 3 vs. priority 1.
I also experimented with my shell tool vs. windows (2008), but got no significant difference.

> analyze performance slow-down of suites.All/derbyall combo between Windows XP and Windows 2003 and Windows 2008.
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-4807
>                 URL: https://issues.apache.org/jira/browse/DERBY-4807
>             Project: Derby
>          Issue Type: Task
>          Components: Test
>    Affects Versions: 10.6.2.1
>         Environment: Windows XP, Windows 2003, Windows 2008, IBM JVM 1.6 (SR8), 1.5 (SR11) and weme 6.2
>            Reporter: Myrna van Lunteren
>            Assignee: Myrna van Lunteren
>         Attachments: analysis_suitesall.xls
>
>
> Setting up automated nightly test runs has been troublesome for 10.6 on windows because the set of tests (derbyall/suitesall with 3 different jvms) that completed within a day on a machine with similar hardware but running XP did not complete within a day on a machine running Windows 2008.
> Switching to a machine with windows 2003 appeared to improve matters. Switching to a machine with XP, and the test finished.
> Initially, my focus has been to try to get the tests to run consistently, now I will be analyzing this further.
> I now have a separate machine that has the 3 OSs loaded on it, and will experiment, and gather data, using the 10.6.2 jars so the only difference is the OS.

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