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https://issues.apache.org/jira/browse/DERBY-6708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dag H. Wanvik updated DERBY-6708:
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Attachment: derby-6708.diff
Attaching [^derby-6708.diff].
Patch derby-6708. Reduces the number of rows of the fixture
testManySimilarDuplicates from 40K to 4K. Removes the use of in-memory database
for all fixtures that use it. In my set-up (Ubuntu 12.04 64 bits, JDK 8u20)
the test now runs fine with -Xmx128M, in ca. 70 seconds with
"derby.system.durability=test". Running regressions.
> OOME when running ConstraintCharacteristicsTest with smaller heap
> -----------------------------------------------------------------
>
> Key: DERBY-6708
> URL: https://issues.apache.org/jira/browse/DERBY-6708
> Project: Derby
> Issue Type: Bug
> Components: Test
> Affects Versions: 10.11.1.1
> Reporter: Knut Anders Hatlen
> Assignee: Dag H. Wanvik
> Attachments: derby-6708.diff
>
>
> When I ran suites.All on a device with little memory, so that I needed to
> reduce the heap (-Xmx160M), it stopped and failed with an OOME when it came
> to ConstraintCharacteristicsTest.
> That test uses a memory database in order to speed it up. One of the test
> cases (testManySimilarDuplicates) has such a big data set that the database
> doesn't fit in the heap. It would be good if we could reduce the memory
> requirements of the test so that it passes on smaller devices to.
> Alternatively, we could add a switch that makes it easy to disable test cases
> that are known to have high memory requirements.
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