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Dear BI Expert:
Can you please give me advice on the hardware sizing for BO XI R3?
I would appreciate if you can help my find a relevant document. 
Thanks, 
Ambika in Bangalore
Dear Ambika, 
Sizing can be a difficult topic on several fronts. First of all, everyone’s hardware landscape is different and everyone’s usage of their BI system is different. Secondly, if you size your system improperly, you run the risk of degradation of service to your end users. Too small, and you’ll quickly run out of resources. Too large, and you’ll be wasting resources.  But the task is far from impossible. Here are a few items that will help you out:
For documentation, there is an older BusinessObjects XI r2 Enterprise Sizing Guide available to the public on SCN. While it is a few years old, the process behind the sizing calculation will still apply for XI 3.x
In general, you need to have a good understanding of the number of users that will be on your system, what types of and percentage of usage types are likely to be present, and how often your user mix will be interacting with the system.
By following the sizing guide calculations, you can determine how many CPUs, how much memory, and the appropriate configuration for your particular load type.  
There is also a wealth of information on BI Solution Architecture on the BusinessObjects Community (BOC).
As a general rule, I have found in my own experience that its best to oversize your system from the beginning, and add resources once your consumption approaches 70% capacity.
Take heart! SAP is currently working on harmonizing this process with the rest of SAP’s product offerings by supporting a quick-sizer and “t-shirt” sizing up to a certain number of users.

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7 Comments

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    1. Greg Myers Post author
      I didn’t have an idea, but I’m good at asking questions.

      There will be t-shirt sizing ready for BI 4 Ramp-Up, and the full compliment (QuickSizer, Sizing Guide, etc.) will be ready with BI 4 SP1 which is the GA release for BI 4.0

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        1. Alexander Schuchman
          Even if a date were posted today for GA, I wouldn’t put much faith in it.  BOBJ is doing a very good job of making sure the Beta1 and Beta2 and BetaXXX get all the obvious bugs out of the system before releasing a GA product.  This will save customers headaches in the long run(even if it does create headaches for us Beta customers).

          On the topic of sizing, my only comment is that it’s so easy to add additional server processes and additional CMS nodes to a cluster that isn’t performing up to speed, that it makes the exercise rather academic.  I much prefer the technique of seeing my hardware resourced and then incrementally adding resources.  Having said that, I alway double my production sizing estimates just to be safe and plan for future growth.

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  1. Alastair Gulland
    I agree sizing is a bit of a black art and an easy solution is indeed to scale as required. however adding extra nodes to a cluster does come at a cost and usually budgets are assigned up front.

    Virtualisation technology can come to the rescue and here you can relatively easily add RAM/CPU and in some cases whole servers with minimal fuss.

    However last time I checked anyway SAP still didn’t have a clear licensing policy when it came to virtual machines and when buying a CPU license it wasn’t clear whether you have to pay for the CPUs on the host or CPUs used by the virutal machine.  If this was clarified it would be a big step forward.

    thanks

    AL

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  2. Simone Maina
    DEar all,
    the document in this blog is quite old, even if i found it interest,
        As far as you know there are any other detail doc for the BO XI 3.1 with Netweaver 7.2 vesrions?

    Regards SIMONE

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