RE: Temporary Tablespace Design

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Kirti Deshpande writes

"Also, keep SORT_AREA_RETAINED_SIZE the same as SORT_AREA_SIZE. As the former will be used while fetching data after sort phase is completed."

I thought best advice was to make the retained size smaller (50%?) of sort_area_size to allow initial sort memory to be released after the first part of the sort is managed and only the merge phase of a disk sort is left to do.

I appreciate that a lot depends on the amount of memory available and the number of concurrent processes that may be performing sorts but surely the aim is to free memory up as soon as possible down to the sort_area_retained_size

Thanks

John

(PS I do apologise for the rubbish at the top of this mail but it is
inserted after I have sent the mail into our mail gateway)

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Author: Hallas, John
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