Thanks for the tip, Jochen.
I'm already doing that now, using Oracle's Java VisualVM....
Jochen Mader wrote
>
> Get a heapdump, use yourkit/visualvm.
>
> On Mon, Jul 16, 2012 at 11:14 AM, Ian Marshall <IanMarshall.UK@>
> wrote:
>> I don't think that I am getting the session size in the right place.
>> Despite
>> my session sizes being logged as very small at ~1.7kB using the Google
>> App
>> Engine (GAE) web development server, in GAE production I am getting
>> session
>> sizes approaching 1MB (and attempting to breach this GAE-imposed limit of
>> 1MB too).
>>
>> I shall have to try and find somewhere else to get a meaningful session
>> size.
>>
>>
>>
>> Ian Marshall wrote
>>>
>>> Thanks Martin,
>>>
>>> I could not find onDetach() but found detach() so I have done this in my
>>> WebSession subclass:
>>>
>>> @Override
>>> public void detach()
>>> {
>>> long loSize = getSizeInBytes();
>>> m_logger.log(Level.FINE, String.format("Session size = %,dB.",
>>> loSize));
>>> super.detach();
>>> }
>>>
>>> This seems to be fine (my sessions seem very small at ~1.7kB - I must be
>>> doing something wrong) except that this method can be called several
>>> times
>>> as a result of one request.
>>>
>>> Thanks again,
>>>
>>> Ian
>>>
>>>
>>>
>>> Martin Grigorov-4 wrote
>>>>
>>>> Override Session#onDetach() and do it before calling super.onDetach().
>>>>
>>>> On Fri, Jul 13, 2012 at 2:01 PM, Ian Marshall <IanMarshall.UK@>
>>>> wrote:
>>>>> Hello,
>>>>>
>>>>> Is there a good way to discover my serialised or
>>>>> about-to-be-serialised
>>>>> session size without adding the debug bar to my page?
>>>>>
>>>>> I currently use
>>>>>
>>>>> @Override
>>>>> protected void onAfterRender()
>>>>> {
>>>>> super.onAfterRender();
>>>>>
>>>>> CloudSession ssnSession = (CloudSession)getSession();
>>>>> long loSize = ssnSession.getSizeInBytes();
>>>>> m_logger.log(Level.FINE, String.format("Session size = %,dB.",
>>>>> loSize));
>>>>> }
>>>>>
>>>>> in my WebPage subclass, but I suspect that this is the wrong place to
>>>>> examine the session size.
>>>>>
>>>>> My software environment is:
>>>>>
>>>>> Web framework: Wicket 1.5.7
>>>>> Web server system: Google App Engine for Java version 1.7.0
>>>>> Java: 1.6.0_33; Java HotSpot(TM) Client VM 20.8-b03
>>>>> Operating system: Microsoft Windows XP Home Edition version 2002
>>>>> SP3
>>>>> (version 5.1 running on x86; Cp1252; en_GB)
>>>>>
>>>>>
>>>>> Ian Marshall
>>>
>>
>> --
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>> Sent from the Users forum mailing list archive at Nabble.com.
>>
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