I'm working with a client on a system that makes extensive use of data stored in custom properties.

I had been under the impression that as long as the stack containing the data has its destroyStack set to true, and as long as we don't open the stack, everytime we access its properties we're getting it fresh from disk rather than from cached memory.

Is that correct?

We're in the process of pinning down some anomalies in our system which would seem to suggest that accessing properties can cause a stack to remain in memory such that subsequent accesses are obtained from memory rather than from disk.

I would love to be wrong, as it would complicate our system to have to manually purge each stack before accessing it.

And as for that purging, in the absence of a purge command there is the workaround of using the delete command, but at the moment my memory's flakey: does using "delete stack" merely purge the stack but not delete the actual stack if it's a mainStack, or if it's a substack?

And once we confirm which type of stack we can safely purge without deleting it using the "delete stack" command, what method do we use to purge stacks of the other kind?

--
 Richard Gaskin
 Fourth World Media Corporation
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