What versions of the net8 and mdac drivers are susceptable to the memory leak?
Frederic
Dave Watts wrote:
> > At what point is memory usage excessive:
> > When memory usage exceeds physical memory?
> > When memory is x% of swap?
> >
> > Still trying to get a handle on what the memory plateau is
> > for CF
>
> This is a hard question to answer. Generally, you want to assume that all
> available memory will be available (and potentially used) by CF - you don't
> want to run CF and other services on the same machine. Because of the
> performance penalty incurred by releasing and reacquiring memory, CF 4.5.x
> simply retains all memory used.
>
> So, the question becomes, how much memory does your application need? You
> can generally determine this by capacity planning tests. You want to provide
> as much memory in the server as your application requires - memory is cheap.
>
> The problem with CF 4.5.x memory allocation isn't that it might consume all
> the available server memory, but rather that if you have any memory leaks,
> the effects of those leaks will cause the server to run out of memory to
> consume; in this state, the server will eventually become unresponsive and
> will require a restart. The biggest cause of memory leaks, in my experience,
> has been the database drivers used by CF. For example, there are memory
> leaks in several versions of MDAC drivers, as well as within versions of the
> Oracle Net8 client.
>
> Dave Watts, CTO, Fig Leaf Software
> http://www.figleaf.com/
> voice: (202) 797-5496
> fax: (202) 797-5444
>
>
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