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https://issues.apache.org/jira/browse/LUCENE-4252?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dawid Weiss resolved LUCENE-4252.
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Resolution: Fixed
Fix Version/s: 4.0
5.0
> Detect/Fail tests when they leak RAM in static fields
> -----------------------------------------------------
>
> Key: LUCENE-4252
> URL: https://issues.apache.org/jira/browse/LUCENE-4252
> Project: Lucene - Core
> Issue Type: Test
> Components: general/test
> Reporter: Robert Muir
> Assignee: Dawid Weiss
> Fix For: 5.0, 4.0
>
> Attachments: LUCENE-4252.patch, LUCENE-4252.patch, sfi.patch
>
>
> We run our junit tests without firing up a JVM each time.
> But some tests initialize lots of stuff in @BeforeClass and don't properly
> null it out in an @AfterClass, which can cause a subsequent test in the same
> JVM to OOM, which is difficult to debug.
> Inspiration for this was me committing Mike's cool TestPostingsFormat, which
> forgot to do this: then we were seeing OOMs in several jenkins runs.
> We should try to detect these leaks in LuceneTestCase with RAMUsageEstimator
> and fail the test.
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