[infinispan-issues] [JBoss JIRA] (ISPN-8036) TestResourceTracker keeps cache managers alive after they are stopped

[Dan Berindei (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-8036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dan Berindei updated ISPN-8036:
-------------------------------
              Status: Pull Request Sent  (was: Open)
    Git Pull Request: https://github.com/infinispan/infinispan/pull/5275


> TestResourceTracker keeps cache managers alive after they are stopped
> ---------------------------------------------------------------------
>
>                 Key: ISPN-8036
>                 URL: https://issues.jboss.org/browse/ISPN-8036
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Test Suite - Core
>    Affects Versions: 9.1.0.CR1, 9.0.3.Final
>            Reporter: Dan Berindei
>            Assignee: Dan Berindei
>              Labels: testsuite_stability
>             Fix For: 9.1.0.Final
>
>
> {{TestCacheManagerFactory.newDefaultCacheManager()}} adds the manager to {{TestResourceTracker}} so if the test doesn't stop it explicitly, {{TestResourceTracker}} will.
> When a test uses {{@CleanupAfterMethod}}, however, the cache managers are stopped and recreated after each method, but the list of resources is only cleared at the end of the test class. If a test has lots of methods, like {{LocalDistributedExecutorTest}} and its subclasses, the stopped managers can use a lot of memory (250KB for each {{ComponentMetadataRepo}}).
> I believe the extra memory usage is causing longer GC pauses, and in turn leads to intermittent test failures in test methods that use short timeouts:
> {noformat}
> 16:58:34,801 ERROR (testng-ReplSyncDistributedExecutorTest:[]) [TestSuiteProgress] Test failed: org.infinispan.distexec.ReplSyncDistributedExecutorTest.testInvokeAnyTimedSleepingTasks
> java.lang.AssertionError: Should have thrown an class java.util.concurrent.TimeoutException
> 	at org.infinispan.test.Exceptions.assertException(Exceptions.java:21) ~[test-classes/:?]
> 	at org.infinispan.test.Exceptions.expectException(Exceptions.java:92) ~[test-classes/:?]
> 	at org.infinispan.distexec.LocalDistributedExecutorTest.testInvokeAnyTimedSleepingTasks(LocalDistributedExecutorTest.java:269) ~[test-classes/:?]
> {noformat}



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