Shmuel,

> 
> Google for PGSER, then read my message again. My point was that using
> data spaces does not automatically mean demand paging, and I was
> asking what DFSORT does or doesn't do to manage its data spaces.

I'd guess that they are using DSPSERV to load dataspace pages and avoid
serial demand paging, but I not know. If I had time I could force dataspace
sorts and dataspace paging for sort and try and figure it out from the
behavior but that won't happen in the next few days.

If this sort of paging is unavoidable then perhaps one should look at using
HDS Cache Residency Manager or EMC's Permacahe for the Local Page datasets.
I don't thing IBM have an equivalent, and Flash Drives are much slower than
these locked cache methods.

Ron

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