Robert Muir created LUCENE-4252:
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Summary: 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
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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