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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5394) Reduce chance of OOME with XAMemTest.testDerby4137_TransactionTimeoutSpecifiedNotExceeded in low memory suite
Date Mon, 29 Aug 2011 11:13:37 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kristian Waagan updated DERBY-5394:
-----------------------------------

    Attachment: derby-5394-1a-execute_last.diff

Attaching patch 1a, which makes the XAMemTest be executed last in the low-mem suite.

I've observed a runtime of 46 and 22 minutes for the low-mem suite. It now dropped (back)
to around 12 minutes.

Committed to trunk with revision 1162737.

> Reduce chance of OOME with XAMemTest.testDerby4137_TransactionTimeoutSpecifiedNotExceeded
in low memory suite
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5394
>                 URL: https://issues.apache.org/jira/browse/DERBY-5394
>             Project: Derby
>          Issue Type: Improvement
>          Components: Test
>    Affects Versions: 10.9.0.0
>            Reporter: Kristian Waagan
>            Assignee: Kristian Waagan
>         Attachments: derby-5394-1a-execute_last.diff
>
>
> See thread on derby-dev: "Problems with junit-lowmem" (29th of August 2011).
> The test XAMemTest.testDerby4137_TransactionTimeoutSpecifiedNotExceeded doesn't release
all the memory it uses and causes either excessive GC activity (and a much longer run time)
or an OOME.

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