Problems while porting Cloud IDE for google app engine ?

[sumit singh]

I am currently porting caerusone to Google app engine and so far has been successful to be able to run generic mapper / graph in cloud and 

has been able to rapidly prototype application on Google app engine infrastructure.

A Demo is available at Following location

To see different graphs possible to run choose "file"->"open graph" and select any graph.

I am facing following problems while porting workflow:

1) What is the best way to make sure a long running java class  with static variables will not get persisted.

2)  Since my workflow definition could become sizable what is the best way to keep in memory seems from document there is no guaranteed way of doing it.?

3) From documents it seems backend is the only way to go for implementing workflow? is there a way i can get a free backend to port application ?

P.S

When workflow definition is in memory it is either camel process or a java object representing a workflow/graph.

thanks and regards,

sumit