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SSAS 2005/2008 and WAN impact best practices

Posted on 2013-01-08
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I have a situation where our SSAS database/cubes are in one data center in MN and the proposed web app front end (OBIEE) will be in another data center in Boston.  Will this architecture perform successfully with data going over the WAN for queries or do we need to have the SSAS database/cubes in the same data center as the web app front end, so both the SSAS database/cubes and the web app front end (OBIEE) are in Boston?  Along with answering this question, please point me to some documentation to support the solution.
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Question by:351c
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Ryan McCauley earned 500 total points
ID: 38768908
SSAS queries and result sets are generally pretty lightweight, but as with all things, the answer is "it depends". What kind of data are you going to be querying? How large will the result sets be? How often will you be executing queries (several times per second or several per minute)?

I wouldn't be concerned with a that configuration in principle, but I'd want to ensure that it's low-latency and that the pipe is large enough to handle your query needs. As a rough estimate, why not execute the query in SSMS and write the results to an RPT file, then check the size on disk? That's not exact for a number of reasons, but it's at least an estimate of the kind of volume you're looking at. Also, can you use SSMS to test performance of the remote server in general? If you're on Boston (or can run some kind of query tool on the Boston server's desktop), that's going to give you some pretty precise idea of the kind of lag you're looking at.
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by:351c
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thank you
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