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   RE: [xml-dev] Constrain the Number of Occurrences of Elements in your XM

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> Michael,
> Why do you think I am talking about out of memory (OOM) errors?  I 
> haven't mentioned them.  I am more interested in managing 
> throughput. 

I haven't followed the thread closely enough to remember who said what, and
I wasn't directing comments at anyone in particular.

But someone on the thread was definitely talking about using schema
constraints to prevent requests being made on underlying layers of the
system that exceeded their capacity. I took "out of memory" errors as a
simple example of that idea.

I take your point that in transaction processing it may well be necessary to
analyze the requests being made on the system and bounce some of them (or
give them suitable scheduling priority) in order to protect system
throughput. However, I doubt that schema validation is a good way of doing

Michael Kay


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