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Chris Chapman, April 10, 2020
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Sizing Your Cognos Environment
Are you planning a migration, upgrade, or new implementation of Cognos Analytics? One concern that all three projects share in common is the question of Cognos server sizing–in other words, how many servers will you need and how “large” should they be (CPU, RAM, etc.)? While this is a somewhat complex question, I created a helpful chart below that will give you a high-level estimate to use in the early planning stages.
Starting Points
There are two general starting points in estimating servers and sizing:
- The user base for our application will be around XXX users. What hardware do we need to support this, and what will be the license cost? The T-Shirt sizes provide a high-level sizing estimate including CPU cores, RAM, the suggested high-level deployment architecture based on assumed application characteristics, and the PVU value.
- The standard server that is being deployed in our organization has XXX CPU cores with YYY GB of RAM. How many users can we support with this? The T-Shirt sizes provide the application characteristics including the number of users, concurrency, complexity and Batch figures, based on the assumed number of existing cores. Deployment architecture is not in scope in this scenario.
User Base Starting Point
Standard Server Starting Point
Content for this article was sourced directly from IBM, and was assembled for easy understanding by PMsquare.
Conclusion
Use the tables above as a good starting point for Cognos server sizing. They will help you establish a foundation as you being planning. Once you get into the planning process, we highly recommend that you reach out to us so we can work through with you your expected usage patterns and design an optimal environment for your organization.
Next Steps
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