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From "Ilya Leviev (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5334) [classlib] Significant memory leakage in ThreadArrayTest and CalcTest
Date Thu, 27 Dec 2007 12:34:43 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12554565
] 

Ilya Leviev commented on HARMONY-5334:
--------------------------------------

While profiling a ThreadArrayTest application on Harmony(svn = r606901) using 
BoundsChecker, the tool detected about 6 Mb of memory leaks per 8000 threads that equal to
2Mb/sec.

Here are problem points:

Type   Quantity	Total (bytes)  Allocation Location
		5764828		
Leak 	332	3444736	 allocator_alloc - [apr_pools.c, line 300 (harmonyvm.dll)]	
Leak	8 014	705232	 hythread_monitor_init_with_name - [thread_native_fat_monitor.c, line 49
(hythr.dll)]   - HARMONY-5353
Leak 	8 355	568140	 hysem_create - [thread_native_semaphore.c, line 42 (hythr.dll)]	-  HARMONY-5332
Leak 	8 347	534208	 hylatch_create - [thread_native_latch.c, line 47 (hythr.dll)]	      
               - HARMONY-5333
Leak 	8 008	512512 	mutator_initialize - [mutator.cpp, line 32 (gc_gen_uncomp.dll)]	


> [classlib] Significant memory leakage in ThreadArrayTest  and CalcTest 
> -----------------------------------------------------------------------
>
>                 Key: HARMONY-5334
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5334
>             Project: Harmony
>          Issue Type: Bug
>         Environment: 5.0M4 Windows x86
>            Reporter: Andrey Yakushev
>         Attachments: exclude_Calc_and_ThreadArrayTest.patch
>
>
> ThreadArrayTest  and CalcTest from the reliability test suite show significant memory
leakage on 5.0M4 version (~1-2 Mb/sec). This caused failure on the 20 minutes run.
> I checked 5.0M3 - the leakage also existed but not so big (~0.5 Mb/sec).

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