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Excessive memory consumption in Test Runner [message #1701844]

Thu, 16 July 2015 03:56

Eclipse User

Hi,

We are running a test suite containing around 250 test cases using the test runner tool. We noticed that the memory used grows bit by bit as the number of test cases run grows and it ends consmuing all available memory, in this case 1024 mb.
Once we analyzed the heap dump, we found that half of memory was allocated by rcptt objects as you can see below and in the attached files.
We think it is related only to the report objects and we wonder if it is an expected behavior or may be some kind of memory leak.

How can we fix this problem?

Thank you

Class Name | Shallow Heap | Retained Heap
-----------------------------------------------------------------------------------------------------------------------------------------------------------
| |
java.util.HashMap @ 0x1da55438 | 48 | 334.185.232
|- table java.util.HashMap$Entry[512] @ 0x1dac6e18 | 2.064 | 334.185.168
| |- [198] java.util.HashMap$Entry @ 0x1daf1fc8 | 24 | 328.333.456
| | |- value org.eclipse.rcptt.ecl.internal.core.ScriptletDefinition @ 0x1db40228 | 32 | 328.333.416
| | | |- service org.eclipse.rcptt.core.internal.ecl.core.commands.ReportService @ 0x1eb711e8 | 16 | 328.333.224
| | | | |- stack java.util.Stack @ 0x1eb9f1c0 | 24 | 328.333.208
| | | | | |- elementData java.lang.Object[640] @ 0x341df370 | 2.576 | 328.333.184
| | | | | | |- [455] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x3eaa2d18 | 24 | 465.016
| | | | | | | |- node org.eclipse.rcptt.sherlock.core.model.sherlock.report.impl.NodeImpl @ 0x3eaa6230 | 64 | 438.248
| | | | | | | | |- snapshots org.eclipse.emf.ecore.util.EObjectContainmentEList @ 0x3eaaabd0 | 32 | 317.792
| | | | | | | | |- children org.eclipse.emf.ecore.util.EObjectContainmentWithInverseEList @ 0x3eaaab68 | 40 | 118.864
| | | | | | | | |- eContainer org.eclipse.rcptt.sherlock.core.model.sherlock.report.impl.NodeImpl @ 0x3eaa5730 | 64 | 26.664
| | | | | | | | | |- children org.eclipse.emf.ecore.util.EObjectContainmentWithInverseEList @ 0x3eaaa2a0 | 40 | 23.040
| | | | | | | | | |- properties org.eclipse.emf.ecore.util.EcoreEMap @ 0x3eaaa2e0 | 40 | 3.376
| | | | | | | | | |- name java.lang.String @ 0x3eaaa2c8 | 24 | 184
| | | | | | | | | |- eContainer org.eclipse.rcptt.sherlock.core.model.sherlock.report.impl.ReportImpl @ 0x3eaa6cc8 | 40 | 40
| | | | | | | | | |- <class> class org.eclipse.rcptt.sherlock.core.model.sherlock.report.impl.NodeImpl @ 0x1d9a9cf8| 24 | 24
| | | | | | | | | '- Total: 5 entries | |
| | | | | | | | |- properties org.eclipse.emf.ecore.util.EcoreEMap @ 0x3eaaaba8 | 40 | 1.424
| | | | | | | | |- name java.lang.String @ 0x3eaaab90 | 24 | 104
| | | | | | | | |- <class> class org.eclipse.rcptt.sherlock.core.model.sherlock.report.impl.NodeImpl @ 0x1d9a9cf8 | 24 | 24
| | | | | | | | '- Total: 6 entries | |
| | | | | | | |- parent org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x3ea9a9a8 | 24 | 24
| | | | | | | |- this$0 org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder @ 0x3eaa37f8 | 16 | 16
| | | | | | | |- <class> class org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x1d9a9de0 | 0 | 0
| | | | | | | '- Total: 4 entries | |
| | | | | | |- [552] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x40ed8a0 | 24 | 24
| | | | | | |- [553] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x41a7680 | 24 | 24
| | | | | | |- [554] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x41ebb78 | 24 | 24
| | | | | | |- [555] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x42e0348 | 24 | 24
| | | | | | |- [556] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x431a548 | 24 | 24
| | | | | | |- [557] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x435e518 | 24 | 24
| | | | | | |- [558] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x4441730 | 24 | 24
| | | | | | |- [559] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x4475188 | 24 | 24
| | | | | | |- [560] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x4566318 | 24 | 24
| | | | | | |- [561] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x45e5698 | 24 | 24
| | | | | | |- [562] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x462b998 | 24 | 24
| | | | | | |- [563] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x4758648 | 24 | 24
| | | | | | |- [564] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x47a4dd0 | 24 | 24
| | | | | | |- [565] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x47ea630 | 24 | 24
| | | | | | |- [566] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x48ad688 | 24 | 24
| | | | | | |- [567] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x48fa1d0 | 24 | 24
| | | | | | |- [568] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x49405e8 | 24 | 24
| | | | | | |- [569] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x4a25510 | 24 | 24
| | | | | | |- [570] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x4ad1e58 | 24 | 24
| | | | | | |- [571] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x4b19b50 | 24 | 24
| | | | | | |- [572] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x4b91fe8 | 24 | 24
| | | | | | |- [573] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x4bf46c0 | 24 | 24
| | | | | | |- [574] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x4cbfcb0 | 24 | 24
| | | | | | |- [575] org.eclipse.rcptt.sherlock.core.reporting.ReportBuilder$NodeBuilder @ 0x4ddbc08 | 24 | 24
| | | | | | '- Total: 25 of 597 entries | |
| | | | | |- <class> class java.util.Stack @ 0x196dd840 System Class | 8 | 8
| | | | | '- Total: 2 entries | |
| | | | |- <class> class org.eclipse.rcptt.core.internal.ecl.core.commands.ReportService @ 0x1d9a98e8 | 8 | 8
| | | | '- Total: 2 entries | |
| | | |- friendlyNames java.util.HashSet @ 0x1eb711d8 | 16 | 144
| | | |- namespace java.lang.String @ 0x1b788b78 | 24 | 104
| | | |- name java.lang.String @ 0x1b788b60 | 24 | 72
| | | |- config org.eclipse.core.internal.registry.ConfigurationElementHandle @ 0x1db7bd90 | 16 | 16
| | | |- <class> class org.eclipse.rcptt.ecl.internal.core.ScriptletDefinition @ 0x1da36ef8 | 0 | 0
| | | '- Total: 6 entries | |
| | |- key org.eclipse.rcptt.ecl.runtime.FQName @ 0x1db40218 | 16 | 16
| | |- <class> class java.util.HashMap$Entry @ 0x196b5488 System Class | 0 | 0
| | '- Total: 3 entries

Attachment: rcptt-big-object.txt
(Size: 17.52KB, Downloaded 161 times)
Attachment: rcptt-objects.txt
(Size: 2.67KB, Downloaded 135 times)

Re: Excessive memory consumption in Test Runner [message #1701851 is a reply to message #1701844]

Thu, 16 July 2015 04:28

Eclipse User

Hi Hicyo,

Yes, this is a known issue: https://bugs.eclipse.org/bugs/show_bug.cgi?id=472798

Should be fixed until the next release (Sep 25).

Kind regards,
Ulyana.

Re: Excessive memory consumption in Test Runner [message #1703172 is a reply to message #1701844]

Wed, 29 July 2015 02:52

Eclipse User

Hi Hicyo,

Happy to inform that the issue is already fixed (RCPTT v2.1.0-SNAPSHOT).

Kind regards,
Ulyana.

Re: Excessive memory consumption in Test Runner [message #1703217 is a reply to message #1703172]

Wed, 29 July 2015 08:46

Eclipse User

Ok. Thank you.

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