Sizing and scalability factors by environment
This section explains the sizing and scalability factors that you must consider before you begin deploying the BMC Cloud Lifecycle Management solution. The following topics are covered in this section:
Before you begin
Before you complete the sizing for your cloud deployment, ensure that you have your business requirements and use case ready.
Note
The product-specific sizing in this section has been included as a reference from different sources. This information is for general purposes, and is not specific to the CLM Value path.
Sizing factors
The factors that determine the sizing of BMC Cloud Lifecycle Management products are: Number of concurrent users, provisioning rate, and size of managed environment. These factors directly or indirectly affect the sizing of products in the BMC Cloud Lifecycle Management stack. The following table illustrates the effect of the sizing factors on each product in the solution.
Product | Primary factors affecting sizing |
|---|---|
Enterprise AR (Including Mid-Tier) | Number of Concurrent Users |
CLM |
|
BMC Server Automation |
|
BMC Network Automation | Size of Managed Environment |
BMC Atrium Orchestrator | not applicable |
Impact of changes in sizing factors
Any changes in the sizing factors have varied impact on the products in the BMC Cloud Lifecycle Management stack. The following table illustrates the effect of the changes in provisional rate or managed environment on the cloud components.
Factors | Enterprise AR System | Cloud Core components | BMC Server Automation | BMC Network Automation | Database |
|---|---|---|---|---|---|
Increase in Users/Provisional Rate | High Impact | High Impact | Medium Impact | Low Impact | Low Impact |
Increase in Managed Envrionment | High Impact | Low Impact | High Impact | Medium Impact | Medium Impact |
- High – The impact of change on the CPU usage is considerable, probably as high as 2x.
- Medium – The impact of change on the CPU usage is marginal, say 1.5x
- Low – The impact of change on the CPU usage will not have much effect on CPU.
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