Hi

Thank you Ron.
( I will do this, I'm happy to find somebody with the similar problem)

On 05.02.2013 18:36, Ron MacRae wrote:
We had a similar problem with IBM's XML parser, which is huge and was 
constantly being reFETCHed.

At startup time we went through a list of programs and loaded them and threw 
away the returned address.
These modules are now loaded with a use count of 1.
All subsequent LOADs/FETCHes finds them in storage.
Because the use count now never goes back to zero these modules will stay in 
Virtual storage until termination.
We dropped many thousands of I/Os per minute.

About 10-20 lines of assembler code and a list of the programs required.

Hope this helps.

Ron.

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