increasing memory usage

["Trustin Lee (이희승)"]

Oh, that's too bad.  Then could you post the heap dump file?  You can
configure your VM to generate heap dump on OutOfMemoryError:

    -XX:+HeapDumpOnOutOfMemoryError

For more information on generating heap dump, read this article:

    http://blogs.sun.com/alanb/entry/heap_dumps_are_back_with

I would still recommend to decrease the max heap size so that you can
get OOME sooner so that heap dump is generated sooner.

cyrus77 wrote:
> Hi, 
> 
> Thanks for your reply,
> 
> Unfortunately yes, I get OutOfMemoryError.
> How can we investigate it? any idea? 
> 
> Thanks,
> Cyrus
> 
> 
> On Jan 27, 2010, at 11:31 AM, Trustin Lee [via Netty Forums and Mailing Lists] wrote:
> 
>> If you do not get an OutOfMemoryError, it is safe to decrease the 
>> maximum heap size of the VM with -Xmx option.  I'd cut down to 96MB 
>> (i.e. -Xmx96m). 
>>
>> If you get an OutOfMemoryError eventually, that's more like a memory 
>> leak that needs more investigation. 
>>
>> cyrus77 wrote:
>>
>>> Hi, 
>>>
>>> I am using Netty to develop a simple TCP client and connect to a server to 
>>> receive data 24x7. The data being transferred is not much, its around 100KB 
>>> to 200KB per minute. 
>>>
>>> The problem is that the client starts allocating memory gradually and after 
>>> some hours or a day (depending on how much data is being sent by the server 
>>> to this client) the allocated heap memory reaches up to 500 MB! 
>>>
>>> The thing is that even if I do nothing with the message (do nothing in 
>>> messageReceived method) the problem still exist! 
>>>
>>> I attached the code if you would like to take a look. 
>>> http://n2.nabble.com/file/n4466226/code.java code.java 
>>>
>>> Do you have any idea what is wrong with it? 
>>>
>>> Thanks, 
>>> Cyrus 
>>>
>> -- 
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>> http://gleamynode.net/
>>
>>
>>
>>
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> 
> 

-- 
what we call human nature in actuality is human habit
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