CMS collection keep working during holiday

[Ken--@newsgroupstats.hk]

Attached.
http://www.nabble.com/file/p19882121/histo.txt histo.txt 




antonios.printezis wrote:
> 
> jmap -histo too
> 
> Tony
> 
> kirk wrote:
>> Ken-- at newsgroupstats.hk wrote:
>>> Follow up to the jconsole above. This gif is captured today. You can 
>>> see the
>>> first CMS after a FULL GC is working. The 2nd one is working too but the
>>> memory free from 2nd generation is much less than the first CMS. The 
>>> memory
>>> free by 3rd CMS is further decreased.
>>>
>>> The 5th CMS cannot free enough memory to make occanpcy in old-gen to 
>>> less
>>> than 70%. So, continue non-stopping CMS happen again until a Full GC
>>> (triggered by Concurrent Mode Failure).
>>>
>>> http://www.nabble.com/file/p19872463/jconsole_20081008.jpg
>>>
>>>
>>>
>>>
>>>
>>>   
>> If GC is failing to recover memory, you either have a memory leak or 
>> long loitering objects. I'd suggest visualvm or netbeans memory 
>> profiling using the generations option to find out what objects are 
>> surviving
>>
>> Regards,
>> Kirk
> 
> -- 
> ---------------------------------------------------------------------
> | Tony Printezis, Staff Engineer   | Sun Microsystems Inc.          |
> |                                  | MS UBUR02-311                  |
> | e-mail: tony.printezis at sun.com   | 35 Network Drive               |
> | office: +1 781 442 0998 (x20998) | Burlington, MA 01803-2756, USA |
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> 
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> 

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