[Uml-devel] Request: Option to deactivate Undo

[Jonathan Riddell]

On Fri, May 14, 2004 at 06:59:03PM +0200, Achim Spangler wrote:
> Hi,
> the UNDO function of umbrello ( latest CVS ) killed my project file.
> 
> Event chain:
> + UNDO memory space consumed nearly all swap RAM
>      ( and I have a lot ... )
> + kernel started to kill probably misbehaving apps - with umbrello
>     as part of this group
> + as umbrello was probably in process of saving, the result was
>     a "0 Byte Size" file with the name of my project file
> 
> So please make an option, where the user can deactivate the UNDO function, so 
> that the RAM is not consumed to much, if a lot of diagram changes are 
> performed.
> Maybe it could also be interesting to set a limit for UNDO-Memory usage
> -> kill old UNDO steps, if RAM limit is reached

Using a code generator other than the C++ or Java one should vastly
reduce memory usage.

We do need either an option to turn off code generation or reduce the
undo stack though.

Jonathan