I don't know of anyway "out of the box" that this can be done. You could write your own program using AMO to facilitate this, but there are a couple of issues that come to mind.
1) You should not need to continuously re-run the usage based optimizations unless the useage patterns are changing significantly. Optimizing a cube for a given usage pattern only needs to be done once. Once the aggregations have been designed they will be used every time the cube is reprocessed (or specifically when the index processing is done)
2) There is an issue with UBO in that it overwrites previously designed aggregations (see this thread http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=806335&SiteID=1) so your performance could possibly regress, rather than incrementally improve, if you ran it unattended.
|||Thanks a lotsql
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