Re: When to use createContinuation="false" (was Re: Memory leak)

Thorsten Scherler schrieb:
> On Tue, 2008-02-26 at 16:02 -0800, bugzillaapache.org wrote:
>> http://issues.apache.org/bugzilla/show_bug.cgi?id=43240
> 
>> I did some memory profiling with the MultiWorkflow
usecase and noticed two
>> problems:
>>
>> 1. Continuations aren't invalidated and eat up
memory.
>> 2. The MultiWorkflow usecase creates a continuation
but doesn't need one.
>>
>> I have added some code to invalidate the
continuation to usecases.js and added
>> the createContinuation="false" attribute
to the MultiWorkflow view declaration.
>> We should be very careful to add this attribute to
all view declarations which
>> don't need a continuation.
> 
> Is there a general rule of thumb when a usecase needs
continuation and
> when not? I guess having this will lower the impact.

A usecase view needs a continuation if the usecase reacts to
user 
interaction. This is usually the case if it implements
advance() and/or 
doExecute(). I guess we should add this to the
documentation.

-- Andreas



-- 
Andreas Hartmann, CTO
BeCompany GmbH
http://www.becompany.ch
Tel.: +41 (0) 43 818 57 01


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